TW201119786A - Antiseptic welding flux with silver content for stainless steels - Google Patents

Abstract

A antiseptic welding flux with silver content for stainless steels consists of 0.1-0.5wt% Ag, 30-54wt% SiO2, 20-40wt%TiO2, 10-20wt% Cr2O3, 5-20wt% MoO3, 5-10wt% MoS2 and 5-10wt% halide.

Description

201119786 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a stainless steel welding activity of a stainless steel containing silver-containing antibacterial. / w ‘Especially related to one [Prior Art] Various types of steel are used for the name of the day, and the arc welding method includes (4) the arc connection is often used.

Inert Gas Welding, TIG), p and bird arc* (Tungsten r λιγ month metal arc welding (Metal Tnert (5) Wddlng, _, submerged arc F; AW), etc. Taking inert gas tungsten arc welding as an example In the process of splicing, the 隋 arc is used as the heat source for the release. In order to prevent the ± electrode, material: _ (four) supply to " pieces to be welded, to suppress the arc and adjacent heated areas to oxidize the corpse' dry The part is solidified and cooled to form a weld bead. Autumn* forms the whole part of the workpiece, and when the road is in the state, the "state and the main two" pool only form a wide and shallow shape element caused by a small change. For example: 2:: ::The alloy in the welding pool is dazzled by the process #7 quite ask the H-milk tungsten arc welding, please refer to the day g筮Τ Λ, _ gas crane pole her c: show 'its summary reveals the traditional lazy shape. In order Change the cover = the i-page of the clothing process and the cross-section after welding. 'Dry, only the problem of 觅 and shallow, the traditional inert gas tungsten 201119786 knife often uses the - milling inclined surface 12 in one ~ - side edge 11 And processing another workpiece i according to the method, then 'the two workpieces 1 11 and the inclined surface 12 are μ ΓΓΛ Slotted structure, which is convenient to use ~ \ 乂Μ layer 3 and a hui material 100 way inert gas tungsten arc welding: to form a weld bead 13. Although pre-processing to form ^...: face 12 is indeed beneficial to control the welding The trend tends to increase the depth of the second, but this negatively increases the complexity of the process, processing costs and operating time

= At the same time, the miscellaneous road 13 still has problems such as poor welding structure, low joint strength and uneven surface of the fresh crown. White stainless steel welding active agent, such as the Republic of China Announcement No. 1231239 Stainless Steel Arc Welding Flux" and US Publication No. 2005/0199317 Stainless Steel Arc Welding Flux and Welding Method (WddingFhjx f〇r Use in Arc-Welding of Stainless Steels, Method of Welding

Stainless Steel Members Using the Welding Flux)

''s system based on manganese oxide (Mn〇2), and selected to contain zinc oxide (ZnO), yttrium oxide (si〇2), chromium oxide (Cr〇2), titanium oxide (Ti〇2), dioxide At least one of molybdenum (Μο〇2) and iron oxide (Fe2〇3) is used as an activation additive. The weight ratio of the matrix (oxidized violent) is 7% by weight or more, and the weight ratio of the activated additive is 3% by weight or less. Referring to FIGS. 2A and 2B, when performing a workpiece 1 arc welding, a stainless steel welding active agent 4 having the above composition is ground into a paste state by a liquid medium, and then a brush 4 is further used. The stainless steel recording active agent 4 is applied on the two side edges u of the corresponding intersections of the two workpieces, so that the workpiece i can be subjected to an arc welding process to form a welding 201119786 channel 13 by using the stainless steel. 1 Jing almost does not produce welding consumables, and the welding of the workpiece of the upper part 1 of the workpiece] is not the surface of the surface (four) and the sample of the profile of the welding, called, to observe the narrow width and completely refining the welding phenomenon ^ In the article 1 on the description of the article, the owner refers to the 3A and 3R闰& _ reasons to be in the Qing _ _ / do not, to improve the welding quality of the main tile and stainless steel welding active shellfish; and activation additives, So the non-recording steel joint activity, the matrix (oxygen tilting) weld pool 0 within the liquid smelting metal sound 'Guang 4 can effectively improve a itch pool 0 0 liquid fused metal ^ flow = degree change And further influence: the surface tension gradient of the genus, the liquid = number And the temperature coefficient = surface tension. Surface tension The existence of halogen. And your number depends on the presence or absence of activity, as shown in the figure, the lower activity of the element;: Γ the welding,,: the surface tension of the arc provided by the postal welding 3 will increase with the surface tension. The liquid level is formed by the center of the weld pool 10, so that the liquid smelting metal flow is caused, and the weld bead is 3, and the flow is shown in the "outer surface tension diagram" when the 纟曰/见夂Profile morphology. For example, there is an active element in the Karma pool 10, and the surface tension of the 3β surface tension increases with the arc temperature: the ^^ is the weld pool]0, (4) the outer edge of the heart pool 1G to the material metal k 'In turn, the weld bead】3 shape; ^"" internal surface tension, although the cross-sectional shape of the above Haneda. Object, Μ white with non-recorded steel welding active agent 4 has been connected, to Hai non-scale steel welding active agent 4 ^^ & Adding benefits is not great (4) (Oxidation illusion, = part of the component is applied to the activation of the 垓 stainless steel welding active agent 201119786 4 above the side edge η, the inconvenience of the processing; and When the particle size is large and the coating property is not good, the coating thickness unevenness is likely to occur. The complication and the 5th non-recorded steel welding activity (4) 4 powder 'is therefore applied to the surface of the workpiece 1 , causing uneven weld penetration of the weld, such as the Republic of China announcement of the welding non-axis live '__" The invention patent is located at ί 3 emulsified titanium, chrome oxide, oxidized stone sulphate, molybdenum sulphide and oxidized tumbling, the second::, the material 'to improve the weld penetration depth of the unrecorded steel workpiece. Convergence accounts for 25% to burn, cough chrome accounts for 25% to 30%, the oxidized stone occupies 1% to 3%, the fragmented surface occupies 10% to 30%, and the indium oxide occupies 5 〇/〇 Up to 15%. Melon A, however, the composition of the vulcanization of the patent No. 1297629, which is easy to generate welding slag after welding, and the resulting welding and fishing is not easy to remove, resulting in defects in the surface of the weld bead and difficulty in cleaning. Moreover, the active additives, such as chromium oxide, are relatively expensive to sell, and the proportion thereof is relatively high, resulting in the disadvantage of being expensive to manufacture; and further, the stainless steel welding active agent The size of the powder particles is large, and it is easy to produce when coated on the surface of the weldment. Uneven coating, which leads to defects such as weld penetration compensation, weld penetration depth*, and weld bead depth/width ratio 2 feet. The weld bead depth/width ratio is insufficient and the weldment is easy to produce: At present, the non-recorded steel with antibacterial function has been developed on the market. 1 'The antibacterial stainless steel material ^ is the same as the above-mentioned non-recorded steel welding active agent, and the welded material of the shaft material will produce the above-mentioned various fresh joints 201119786. Poor permeability, #道, material depth from the scale material / width ratio is insufficient; further, since the above-mentioned conventional stainless steel welding active agent does not contain antibacterial components, the antibacterial stainless steel material can not produce antibacterial The effect makes the antibacterial stainless steel material unable to achieve a comprehensive antibacterial effect after welding. ^ Therefore, for the above reasons, it is indeed necessary to improve the use of non-recorded steel welding active agents in order to further improve the welding of stainless steel workpieces. Mouth [invention content]

The object of the present invention is to improve the above disadvantages to provide a silver-containing anti-stainless steel welding active agent, so that the weld bead of the stainless steel material can be truly resistant. The second object of the present invention is to provide a silver-containing antibacterial stainless steel welding. The active agent to reduce the cost of the stainless steel welding active agent. Still another object of the present invention is to provide a stainless steel welding active agent containing silver antibacterial to improve the flatness of the weld bead surface. Another object of the present invention is to provide a silver-containing antibacterial stainless steel welding active agent for improving the coating property and penetrability of a stainless steel welding active agent: Another object of the present invention is to provide a stainless steel welding active agent containing silver antibacterial To increase the depth of the steel & Another object of the present invention is to provide a silver-containing antibacterial stainless steel solder active agent to increase the track depth/width ratio. Still another object of the present invention is to provide a silver-containing antibacterial stainless steel welding active agent for improving the weldability of the non-ferrous steel. Another object of the present invention is to provide a silver-containing antibacterial stainless steel weld 201119786 with an active agent to provide two details of the corrosion resistance. Another object of the present invention is to provide a silver-containing antibacterial stainless steel solder active agent' to improve the mechanical strength of the bead. Another object of the present invention is to provide a silver-containing antibacterial stainless steel solder active agent for improving the flatness of the bead. The silver-containing antibacterial stainless steel welding active agent according to the present invention comprises: 0.1% to 0.5% by weight of metallic silver, 30% to 54% of cerium oxide, 20% to 40% of titanium oxide, and 10% to 20% chromium oxide, 5% to 20% oxidized turn, 5% to 1% vulcanized turn and 5% to 1% by weight halide. Thus, the present invention can reduce the manufacturing cost of the stainless steel recording active agent and increase the bead depth/width ratio. The above and other objects, features, and advantages of the present invention will become more apparent from the claims. As shown, the silver-containing antibacterial stainless steel welding active material of the present invention comprises a specific ratio of metallic silver (), oxidized stone (Si〇2), titanium oxide (Ti〇2), chromium oxide (Cr2). 〇3), molybdenum oxide (M〇〇3), molybdenum sulfide jM〇S2) and halide, to improve the penetration depth and weldability of stainless steel workpieces by arc welding or welding consumables for arc welding , the flatness of the weld bead surface, the mechanical strong disintegration _ sex, etc., as well as the antibacterial effect of the weld bead. In the silver-containing antibacterial stainless steel welding active agent of the invention, the metal silver forming knife is used to provide an anti-g effect, and is preferably selected as a micro-scale micro-201119786 silver metal particles close to viruses, fungi, yeast Following the two bodies: = protein bodies that metabolize oxygen are unable to produce oxygen: after the white enzymes lose their effectiveness, the bacteria can make the stainless steel of the invention ==: causing the carcass (4) to die. Therefore, it is also possible to keep the front end of the stainless steel material and the ratio of the welding can increase the stainless steel welding active agent =====

The ratio f π is too high, and the q is transformed into the fresh county. The shouting is the silver (4) 11 匕 夕 夕 知 知 知 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实 实More than (four) t cost 'but the ratio of oxygen cut should not be too high = over two. The titanium oxide H material increases the meat resistance and corrosion resistance of the fresh steel road, and also has the effect of increasing the penetration depth. The chromium oxide component is used to substantially increase the mechanical strength and impact of the unskilled weld: it also increases the depth of the feed. The composition of the molybdenum molybdenum is preferably selected from the group consisting of molybdenum trioxide (Mo〇3), which is used to substantially increase the dazzling depth of the weld 1 of the steel to increase the ratio of the depth/width of the weld bead, and to reduce the ratio of the fresh joint. Heat affected zone. The molybdenum sulfide component is used to reduce the appearance of the weld bead to improve the flatness of the weld bead surface and to form a good weld bead appearance after welding. Wherein, the ii compound component is used to increase the bead depth/width ratio, and the price of the halide is relatively cheap, which can greatly reduce the manufacturing cost of the stainless steel welding active agent, and can also reduce the appearance of the weld bead to generate welding slag and weld The surface of the track is relatively smooth, and even if the slag is generated, the slag is easier to remove. For example, the compound may be selected from a fluride, a chloride 201119786 (chloride), a bromide or an iodide, and is preferably selected as a ruin. The fluoride system may be selected from fluorinated or nickel fluoride (NiFz), and the compound of this embodiment is selected to be magnesium fluoride. In a preferred embodiment, the silver-containing antibacterial non-constant steel welding active agent of the present invention preferably comprises from 1% to 5% by weight of metallic silver, from 30% to 54% of cerium oxide, 20% to 40% of titanium oxide, 〇% to 20% of chromium oxide, 5% to 20% of molybdenum oxide, 5% to 1% of molybdenum sulfide, and 5% to 10% of _. In addition, the particle size of each of the above components is preferably on the nanometer scale. For example, the particle size of each of the above components of the present invention is 0.2 to 20 micrometers. Of course, it can also be adjusted by the process to produce a nanometer scale. The metal particles are mixed. Thus, the coating property and the penetration property of the stainless steel welding active agent applied to the surface of the weldment can be greatly improved, and the coating property can be improved to uniformly coat the non-recording steel welding active agent. On the surface of the to-be-welded part, the weld depth of each point of the weld bead is uniform, and the depth/width ratio of the weld bead is increased to further reduce the possibility of deformation of the fresh part, and the weld bead can be kept resistant at the same time. ^本^明|Reading _ The anti-axis welding activity of silver-containing antibacterial 纟 纟 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助 辅助The above types may be selected from the group consisting of S, SI, surface, bs: ^General Standards, not recorded steel 〇 = not recorded steel or SUS3 (10) sita iron type electric arc Μ妾 process can be selected from inert gas cranes ^ arc welding ( MIG), submerged arc (four) r cup connection (1 (}), inert gas metal

Cfcaw) # 〇卜文 will use the SUS 316 stainless steel inertia 201119786 gas tungsten arc welding process to specify the preferred proportion of the stainless steel welding active agent composition of the present invention, however, the invention does not have the money to weld the active agent component It is not limited to this embodiment ratio, and it can still appropriately adjust the use ratio according to the composition of the stainless steel material and the welding material.

Table 1 (a), Composition ratio of silver-containing antibacterial stainless steel welding active agent of the present invention ABC Metallic silver (%) 0.1 0.1 0.1 Cerium oxide (%) 30 35 40 Titanium oxide (%) 35 25 20 Chromium oxide (%) 20 14 10 Molybdenum oxide (%) 5 12 10 Molybdenum sulfide (%) 5 7 10 Halide (%) 5 7 10 Excellent penetration depth Excellent mechanical strength Excellent corrosion resistance Excellent weldability Appearance Excellent weldability Excellent Escherichia coli reduction rate 99.2% 99.2% 99.2% Staphylococcus aureus reduction rate 99.2% 99.2% 99.2% 201119786 Table 1 (b), the composition ratio of the silver-containing antibacterial stainless steel welding active agent of the present invention DEF metal silver (% 0.3 0.3 0.3 yttrium oxide (%) 30 35 40 titanium oxide (%) 35 25 20 chromium oxide (%) 20 14 10 molybdenum oxide (%) 5 12 10 molybdenum sulfide (%) 5 7 10 halide (%) 5 7 10 penetration depth excellent and excellent mechanical strength excellent and can be inch rot silver excellent excellent weldable appearance can be excellent and excellent weldability can be excellent E. coli reduction rate 99.6% 99.6% 99.6% Staphylococcus aureus reduction rate 99.6% 99. 6% 99.6% Table 1 (C), composition ratio of silver-containing antibacterial stainless steel welding active agent of the present invention G Η I Metal silver (%) 0.5 0.5 0.5 201119786

Golden yellow grape - 99.9% cocci reduction rate to Ϊ (3) to Table - (C), which are respectively the first aspect of the present invention and the comparison of the nature of the non-welding. Acquired sound, · 1 steel cutting technology financial theory in the depth of material, mechanical strength:, secret, weld bead appearance, weldability and anti-S effect, etc. have the same phase of the political fruit 'and at the same time can greatly reduce the overall welding of stainless steel Cost. According to the provisions of JIS Z 2801-2000, the newly developed antibacterial products have a reduction rate of not less than 99% as defined by the following formula. Reduction rate (%) = (Comparative number of bacteria in the product - number of bacteria in newly developed products) / Number of bacteria in the comparative product χ 10〇. Since the antibacterial effect is defined as the number of bacteria after 24 hours 201119786 on the antibacterial product should be less than 1% of the number of bacteria on the comparative product, the reduction rate of 99% or more is used as a reference value for measuring the antibacterial effect. To test the anti-caries efficacy of the case, the test bacteria were selected from Escherichia co]i (BCRC 11634, ATCC 8739) and Staphylococcus aureus.

Staphylococcus aureus (BCRC 12154, ATCC 6538 or BCRC 10451, ATCC 6538P). The test results show that the silver-containing antibacterial stainless steel fresh active agent is used in the inert gas tungsten arc welding of SUS 316 stainless steel, and the reduction rate of the surface of the weld bead to Escherichia coli and Staphylococcus aureus can reach 99% or more. , showing excellent antibacterial properties and antibacterial long-lasting properties. The antibacterial mechanism of silver-containing antibacterial stainless steel welding active agent is that the silver ion with antibacterial effect must be able to be precipitated from the surface of the stainless steel bead, and react with the bacteria on the surface of the bead under appropriate conditions to prevent the bacteria from rising. Thereby inhibiting the proliferation of bacteria. In addition, at the site where silver ions are precipitated, the surface passivation film is destroyed, which may cause a decrease in the recording resistance. because

Hi has both antibacterial and anti-recording, and silver ions with antibacterial immortality must be uniformly distributed in the surface of the recorded steel bead. - To = According to the 4th, 4th, 4th, 4th, and 5th diagrams, the first agent of the present invention is composed of a fresh material 1〇1 and a non-recorded steel fresh joint welding wire). Such as the second; R is combined into a welding consumable _ or welding rod or rust steel welding θ T ', which is a perspective view of the non-selective bismuth 2 and fresh material 100 of the first embodiment of the present invention, the welding consumable 100 The stainless steel welding is a perspective view of the optional (four) non-fresh and fresh material 100 of the second embodiment of the present invention. The welding material 100 Μ · Xiugang welding active agent 102 is coated on the round-shaped fresh material 201119786 I. As shown in the figure, it is a perspective view of the third embodiment of the present invention, the 'dry' agent 102 and the solder 00, and the solder material 100 is optionally coated with the solder 101 by rolling dust into a ring shape. The stainless steel welding active system 102 is used. As shown in FIG. 4D, it is a perspective view of the fourth solid material 100=turning, connecting the active agent 102 and the glow/material 100, and the welding can be rolled into a ring shape by the sheet-like material 1Q1. And coating =, Xiugang welding active agent 1 〇 2, while making the at least one inner extending end 103. Inter-Zone 101 and If 4D and 5 are shown in the figure of the present invention, the fresh material portion and the exclusive use ratio of the present invention are combined into a welding process, and the two U-U-integrated inert gas crane arc arc argon The gas I (ie, the chicken rod electrode) is close to the (four) made of non-material under the protection of chlorine or helium or two β I bodies = the two side joints of the electric ship to the corresponding boundary of the two workpieces 1 Melting;: 蚪 'The welding material 100 is close to the arc treatment of the welding solder 101 of the steel, and the welding material is used at the same time! The U & steel cup is connected with the active agent 102 to assist in lifting the solder ΚΠ盥1, the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (4) The compound is used as an activation additive, which can be used to make the workpiece _#, the overall glow of the VII, and can be effectively changed, and then the surface tension gradient of the liquid smelting metal is not the scale steel. Fresh connection = liquid flow direction of molten metal inside. Under the auxiliary action of /•shengner 102, the surface of the weld pool 10 15 2011 19786 The temperature of the arc increases and increases, causing the liquid smelting of the liquid metal. The "internal surface tension:" and "two" flowing from the outer edge of the pool 10 to the center of the pool causes the liquid smelting metal in the weld pool 1Q to contract. Now it is possible to use the anode spot in the weld pool 1G. H degree mentions South. Further, the bead 13 is formed into a narrow and deep cross-sectional shape: the depth/width ratio of the fresh pool 10 can be increased, and the welding consumables, the Iwan Bay area, can be reduced to avoid affecting the non-welded adjacent position of the stainless steel base (four) t reference table - Since the core is welded by the residual steel of the present invention, since it contains a plurality of different activation additives, the weld bead 13 of the workpiece 1 has excellent depth of penetration, mechanical strength, impact = sex, and weldability. And an antibacterial effect or the like, and almost no object ' is generated in the vicinity of the bead 13 and the surface of the bead 13 is almost flush with the unmelted surface of the guard itself. At the same time, observing the profile sample of the weld bead 13, the miscellaneous road 13 can be sure to find the dry joint of the workpiece on the workpiece, thereby facilitating omission or reduction of the side edge of the workpiece 1. The requirement of adding 1 in advance. ' 卜 'The (4) steel welding active agent 102 of the present invention can be further directly combined with the solder 101 - the welding material 1 〇〇 (such as the first to the first shown in the 4th 8D The fourth embodiment is structurally), which is also advantageous for increasing the supply symmetry of the dry joint chemical convenience and the non-recording steel welding active agent. The present invention provides a silver-containing antibacterial stainless steel welding active agent, so that the weld bead can have antibacterial properties. The invention provides a silver-containing antibacterial stainless steel welding active agent to reduce the overall welding cost of the stainless steel. The invention provides a silver-containing antibacterial non-town steel welding active agent, which improves the bead surface by a 16 - 201119786 The invention provides a non-recording steel welding active agent containing silver antibacterial to improve the coating property and penetrability of the non-welding active agent. The invention provides a silver-free antibacterial non-recording steel welding active agent. To increase Fresh stainless steel contact lens solution of the present invention to provide a depth-based - no kind of outline silver solder containing an active agent of (iv) to improve the bead depth / width ratio.

This volume provides a silver-containing antibacterial stainless steel welding active agent to improve the non-strength steel. One invention provides a silver-containing antibacterial agent, which is used to improve the corrosion resistance of Xuedao. One aspect of the invention provides a silver-containing antibacterial agent that does not depend on the solder active agent to increase the mechanical strength of the bead. One invention provides a silver-containing antibacterial stainless steel welding active agent to improve the appearance of the weld bead. Although the present invention has been disclosed in the above-described preferred embodiments, it is not intended to limit the present invention, and it is within the spirit and scope of the invention to be practiced. The technical material of the present invention is therefore defined by the scope of the patent application. , 17 — 201119786 [Simple diagram of the diagram] - A diagram, the use of inert gas Hebi arc to carry out the pre-force π work: Reason:: Intention 亟 arc welding process to the general steel workpiece connection: H'!; Form: ^ The arc fresh joint process is a cross-section after welding of the non-recorded steel workpiece: the arc-shaped arc welding process is a fresh A-picture for the non-recorded steel workpiece. The other is an inert gas crane; the schematic diagram of the pre-processing of the two rows. Arc (four) green (four) - general steel. Injection ^ inert gas tungsten arc welding process for stainless steel workers: a schematic diagram of the continued profile. Pool liquid: A schematic diagram of the metal flow state. ...dry, and also, r can be general (4) When the workpiece is zinc-bonded, there is a schematic diagram of the welding when the activation element is added. ^ Α ϋ · Partially enlarged view of the silver-containing antibacterial stainless steel fresh active agent and solder of the present invention. And a third partial enlarged view of the silver-containing antibacterial stainless steel solder active agent and the solder of the first embodiment of the present invention. 4C ® · A partial enlarged view of the silver-containing antibacterial stainless steel soldering/tongue agent and solder of the third embodiment of the present invention. Fig. 4D is a partially enlarged perspective view showing the silver-containing antibacterial stainless steel solder active agent and solder according to the fourth embodiment of the present invention. —18 — 201119786 ' Fig. 5: Schematic diagram of the use of the silver-containing antibacterial stainless steel-welding active agent and solder of the first to fourth embodiments of the present invention. [Main component symbol description] 1 workpiece 10 weld pool 11 side edge 12 inclined surface 13 weld bead 2 milling cutter 3 welding torch 4 no money steel welding active agent 40 brush 100 recording material 101 solder 102 stainless steel welding active agent 103 inner extension end - 19 —

Claims (1)

201119786 VII. Patent application scope: A silver-containing antibacterial stainless steel welding active agent containing 0.1% to 0.5% by weight of metallic silver, 30% to Μ% of cerium oxide, and 2% to 40% of oxidation. Titanium, 1% to 2% by weight of oxidized complex, 5% to oxidized molybdenum oxide, 5% to 0% of molybdenum sulfide and 5% to 〇% of toothing. 2, according to the scope of application for patents! The silver-containing antibacterial stainless steel Xue activator described in the item wherein the halide is one of a fluoride, a vapor, and a desertified hardened material. 3. The silver-containing anti-red non-fresh active agent according to item 2 of the patent application scope, wherein the fluoride is an active agent containing silver as described in the above-mentioned application. The powder of the non-recorded steel welding active agent is 〇2 to 20 μm.仏 According to the application, the active agent is not recorded in the above-mentioned article, and the molybdenum oxide is indium trioxide. According to the application for the general section of the 丨 _ description of the silver-containing antibacterial non-recorded steel = Sex agent 'The towel additionally contains - solder' This material is coated on the outside of the welding active agent to jointly combine into one of the welding rod and the bonding wire. The silver-containing antibacterial (10) active agent according to the scope of application of the patent g 6 - wherein the solder forms at least one inner extending end inward. , 'According to the application for the general 丨 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ —20