CN107899909A - A kind of dipping process of iron machine part aqueous industrial anticorrosive paint - Google Patents

A kind of dipping process of iron machine part aqueous industrial anticorrosive paint Download PDF

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Publication number
CN107899909A
CN107899909A CN201711098708.5A CN201711098708A CN107899909A CN 107899909 A CN107899909 A CN 107899909A CN 201711098708 A CN201711098708 A CN 201711098708A CN 107899909 A CN107899909 A CN 107899909A
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China
Prior art keywords
machine part
iron
paint
iron machine
coating
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Pending
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CN201711098708.5A
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Chinese (zh)
Inventor
姚煌
王从国
许奕祥
张红
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Guangzhou Kinte Industrial Co Ltd
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Guangzhou Kinte Industrial Co Ltd
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Priority to CN201711098708.5A priority Critical patent/CN107899909A/en
Publication of CN107899909A publication Critical patent/CN107899909A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00Processes for applying liquids or other fluent materials
    • B05D1/18Processes for applying liquids or other fluent materials performed by dipping
    • B05D1/185Processes for applying liquids or other fluent materials performed by dipping applying monomolecular layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
    • B05C3/10Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles the articles being moved through the liquid or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254After-treatment
    • B05D3/0272After-treatment with ovens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B05D7/26Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of dipping process of iron machine part aqueous industrial anticorrosive paint, including following operating procedure:(1)Iron machine part reaches Sa2.5 grades by sandblasting, shot-peening or Shot Blasting surface roughness,(2)Casting drifting dust, oil removal treatment;(3)Dip-coating aqueous industrial anticorrosive paint simultaneously drips paint;(4)Paint film carries out drying and processing.Coating process of the present invention is designed rationally, on the premise of material property inspection qualification in formula, aqueous industrial anticorrosive paint can be made correct, specification it is applied to the application of iron machine part, film thickness is uniform, coating efficiency is high, painting effect is good, the problems such as not only solving the production safety and construction environmental protection, health that iron machine part is brought because of the coating process of traditional solvent-borne coating, the coating equipment condition and construction requirement of existing solvent-borne type anticorrosive paint are satisfied with the same time, extend its service life.

Description

A kind of dipping process of iron machine part aqueous industrial anticorrosive paint
Technical field
The present invention relates to aqueous industrial corrosion protective coating technology technology field, especially a kind of iron machine part is with water-based The dipping process of industrial antisepsis coating.
Background technology
Cast iron is due to high with intensity, the advantages of the good combination property such as heat conduction and heat-resistant anti-fatigue, processability, already as one Plant irreplaceable metal material and be widely used in producing stress complexity, will in the machinery industry such as intensity, toughness, wearability Seek higher parts, engine cylinder body, cylinder cap in such as automobile, tractor, track traffic, digit ctrol machine tool field, slow down The key components and parts such as device, axle shell, clutch disc, cylindrical gear shell and balance shaft support.
In recent years, Environmental Protection in China pressure is constantly strengthened, and the domestic solvent based coating market share is limited by very large. Water paint just becomes the leading force of coating industry development under this background.Due to complicated, the pig machine of iron machine part It is tool part multiaspect, porous, the features such as coating process is complicated, and process is various, and application producer is harsh to the performance requirement of paint film, not only Water-based anticorrosive paint product is asked to solve production safety and construction environmental protection, health problem, its physical and chemical performance is met or exceeded The technical indicator of same type solvent-borne type anticorrosive paint, while require that water-based anticorrosive paint construction adaptability is strong, and technic index can Existing solvent-borne type corrosion protective coating technology appointed condition and construction requirement are satisfied with, to the coating process technology band of coating " oil changes water " Carry out very big challenge.Coating decoration is ideally carried out by the way of transfer matic dip-coating in conventional spraying coating process.At present, it is domestic To the dipping process of aqueous industrial anticorrosive paint standardization, particularly blank is still within the dipping process of iron machine part.
The content of the invention
It is an object of the invention to provide a kind of dipping process of iron machine part aqueous industrial anticorrosive paint, the technique It on the basis of formula designs reasonable, material property inspection qualification, can be properly applied to aqueous industrial anticorrosive paint The application of iron machine part, can not only solve harm and security risk that the coating process of traditional solvent-borne coating is brought, but also can be full Existing coating equipment condition and construction requirement are enough to, extends iron machine part service life.
The dipping process of a kind of iron machine part aqueous industrial anticorrosive paint provided by the invention, successively including following step Suddenly:
(1)Iron machine part is subjected to sandblasting, shot-peening or ball blast technique and carries out pre-treatment, removes the iron on iron machine part surface Rust, iron scale and burr, control iron machine part surface treatment quality reach GB/T 8923.1-2011《Steel table before application Face rusting grade and derusting grade》Sa2.5 as defined in standard grades, 35-75 μm of surface roughness, to obtain with application meaning Surface quality;
(2)Drifting dust, oil removal treatment are carried out to the iron machine part after pre-treatment, it is ensured that iron machine part clean surface, and in detail Check that iron machine part whether there is fault of construction, qualified iron machine part is then subjected to suspension member dip-coating preparation;
(3)Dip-coating and drip are painted:Iron machine part is run in front of dip tank with paint line, action:Iron machine part slowly soaks Enter in groove paint solution, the groove paint solution is aqueous industrial anticorrosive paint, is stopped 3 ~ 10 minutes in groove paint solution;Action:Cast iron Mechanical parts slowly lift off groove paint solution and paint board channel by dripping, and last 3 ~ 7 minutes;Action:Dip-coating has aqueous industrial to prevent The iron machine part of rotten coating, which slowly moves to, to be blown paint position and carries out blowing paint, and the product for dispelling groove and inner dead space position is painted, and is paid attention to Control blow paint pressure be 0.1 ~ 1.0 MPa, last 2 ~ 5 minutes;Action:Iron machine part moves to mopping position and carries out mopping, 3 ~ 7 minutes are lasted, brushes away the product paint of iron machine part lower end and bottom;
(4)The iron machine part for having aqueous industrial anticorrosive paint to dip-coating carries out drying and processing, and drying temperature is 60 DEG C ~ 160 DEG C, 30 ~ 60min of drying time, is cooled down and lower X -ray inspection X paint film property after drying, examines the iron machine part of qualification to be carried to Warehouse and stacking placement.
Predominant quantity part proportioning of aqueous industrial anticorrosive paint of the present invention is Cheng Mo Wu ︰ antirust Yan Liao ︰ Water-based Zhu Ji ︰ deionized water=20 of face Tian Liao ︰ ~ 40 ︰, 5 ~ 20 ︰, 15 ~ 30 ︰, 1~5 ︰ 10 ~ 30, the film forming matter are water-base epoxy tree One or more in fat, water-based acrylic resin, aqueous polyester resin, water-base epoxy ester resin and aqueous alkide resin;Institute The rust resisting pigment stated is one kind in phosphoric acid salt, molybdic acid salt, borate family, composite iron-titanium powder and zinc powder chemical anti-rust pigment It is or several;The color stuffing for micaceous iron oxide, iron oxide red, iron oxide black, mica powder, barium sulfate, alumina silicate magnesium powder and One or more in silicon powder;The aqueous promoter is dispersant, moistening flatting agent, anti-sudden strain of a muscle erosion agent, anti-settling thixotropic agent, defoaming One or more in agent and environment-friendly type cosolvent.
Iron machine part of the present invention is grey casting, white cast-iron part, tough ironware, nodular iron casting, compacted ink The hardware of ironcasting or alloy iron casting material.
Suspension member dip-coating preparation of the present invention includes hanger and laterally adjusts to 20 ~ 30 degree of level of incline angles, longitudinal direction tune It is whole:When iron machine part runs to dip tank upper end 20 ~ 30 degree are tilted for dextrad angle;Iron machine part runs to drip When painting on plate, adjustment iron machine part horizontal sextant angle is 45 degree;Iron machine part adjusts left-hand angle 20 ~ 30 before entering baker Degree.
The dip-coating viscosity of groove paint solution during aqueous industrial anticorrosive paint dip-coating operation of the present invention is 15 ~ 30 seconds, groove The pH value of paint solution is 8.0 ~ 10.0, and environment temperature during dip-coating is 15 ~ 35 DEG C, envionmental humidity≤85%.
Inspection paint film property of the present invention is that the appearance and performance of paint film are detected, and detection appearance has intact Fall into, whether film thickness reaches requirement, and whether surface drying is complete for detection paint film, whether there is adhesive force, and paint film bottom drain position is carried out Manual brushing is repaired, and the film thickness is subject to thickness of dry film measured value, is calculated as 15 ~ 50 μm.
The present invention has the following advantages that compared with prior art:
Coating process of the present invention can prevent aqueous industrial on the premise of formula designs reasonable, material property inspection qualification Rotten coating is correct, is applied to specification the application of iron machine part, and film thickness is uniform, and coating efficiency is high, and painting effect is good, Not only solve production safety and construction environmental protection, health that ironcasting brought due to the coating process of traditional solvent-borne coating etc. Problem, while it is satisfied with the coating equipment condition and construction requirement of existing solvent-borne type anticorrosive paint, extend its service life.
Embodiment
A part of specific embodiment is set forth below, and the present invention will be described, it is necessary to which indicated herein is real in detail below Apply example and be served only for that the invention will be further described, do not represent limiting the scope of the invention.Other people are according to the present invention Some the nonessential modifications and adjustment made still fall within protection scope of the present invention.
Predominant quantity part of the aqueous industrial anticorrosive paint used in following embodiments matches:Cheng Mo Wu ︰ prevent Become rusty water-based Zhu Ji ︰ deionized water=20 of Yan Liao ︰ face Tian Liao ︰ ~ 40 ︰, 5 ~ 20 ︰, 15 ~ 30 ︰, 1~5 ︰ 10 ~ 30, and the film forming matter is water Property epoxy resin, water-based acrylic resin, aqueous polyester resin, water-base epoxy ester resin and one kind in aqueous alkide resin or It is several;The rust resisting pigment is phosphoric acid salt, molybdic acid salt, borate family, composite iron-titanium powder and zinc powder chemical anti-rust pigment In one or more;The color stuffing is micaceous iron oxide, iron oxide red, iron oxide black, mica powder, barium sulfate, silicic acid One or more in al-mg powder and silicon powder;The aqueous promoter for dispersant, moistening flatting agent, it is anti-dodge erosion agent, it is anti-settling touch Become the one or more in agent, defoamer and environment-friendly type cosolvent.Iron machine part is grey casting, white cast-iron part, tough Ironware, nodular iron casting, the hardware of pieces of vermicular cast iron or alloy iron casting material.The dip-coating of aqueous industrial anticorrosive paint is made The dip-coating viscosity of groove paint solution during industry is 15 ~ 30 seconds, and the pH value of groove paint solution is 8.0 ~ 10.0, environment temperature during dip-coating for 15 ~ 35 DEG C, envionmental humidity≤85%.
Embodiment 1
(1)Iron machine part is subjected to blasting craft pre-treatment, removes the iron rust on iron machine part surface, iron scale, burr Deng, control iron machine part surface treatment quality reach as defined in GB/T 8923.1-2011 Sa2.5 grades, surface roughness 35- 75μm。
(2)Drifting dust, oil removal treatment etc. are carried out to the iron machine part after pre-treatment, it is ensured that iron machine part clean surface, And detailed inspection iron machine part whether there is fault of construction, qualified iron machine part is then subjected to suspension member dip-coating preparation, Hanger is laterally adjusted to 20 ~ 30 degree of level of incline angles.
(3)Iron machine part is run in front of dip tank with paint line, and iron machine part is when running to dip tank upper end Dextrad angle tilts 20 ~ 30 degree, action:Iron machine part is slowly immersed in groove paint solution, is stopped 3 ~ 10 minutes in groove paint solution; Action:Iron machine part slowly lifts off groove paint solution and paints board channel by dripping, and adjustment iron machine part horizontal sextant angle is 45 degree, last 3 ~ 7 minutes;Action:The iron machine part that dip-coating has aqueous industrial anticorrosive paint slowly move to blow paint position into Row blows paint, dispels the product paint of groove and inner dead space position, pays attention to controlling and blows that to paint pressure be 0.1 ~ 1.0 MPa, lasts 2 ~ 5 points Clock;Action:Iron machine part moves to mopping position and carries out mopping, lasts 3 ~ 7 minutes, brushes away iron machine part lower end and bottom Product paint.
(4)The iron machine part for having aqueous industrial anticorrosive paint to dip-coating carries out drying and processing, and adjustment iron machine part is left To 20 ~ 30 degree of angle, drying temperature is 70 DEG C, drying time 25min, is cooled down after drying and lower X -ray inspection X paint film property, Qualified iron machine part is examined to be carried to warehouse and stacking placement.
Embodiment 2
(1)Iron machine part is subjected to shot-blast process pre-treatment, removes the iron rust on iron machine part surface, iron scale, burr Deng, control iron machine part surface treatment quality reach as defined in GB/T 8923.1-2011 Sa2.5 grades, surface roughness 35- 65μm。
(2)Drifting dust, oil removal treatment etc. are carried out to the iron machine part after pre-treatment, it is ensured that iron machine part clean surface, And detailed inspection iron machine part whether there is fault of construction, qualified iron machine part is then subjected to suspension member dip-coating preparation, Hanger is laterally adjusted to 20 ~ 30 degree of level of incline angles.
(3)Iron machine part is run in front of dip tank with paint line, and iron machine part is when running to dip tank upper end Dextrad angle tilts 20 ~ 30 degree, action:Iron machine part is slowly immersed in groove paint solution, is stopped 3 ~ 10 minutes in groove paint solution; Action:Iron machine part slowly lifts off groove paint solution and paints board channel by dripping, and adjustment iron machine part horizontal sextant angle is 45 degree, last 3 ~ 7 minutes;Action:The iron machine part that dip-coating has aqueous industrial anticorrosive paint slowly move to blow paint position into Row blows paint, dispels the product paint of groove and inner dead space position, pays attention to controlling and blows that to paint pressure be 0.1 ~ 1.0 MPa, lasts 2 ~ 5 points Clock;Action:Iron machine part moves to mopping position and carries out mopping, lasts 3 ~ 7 minutes, brushes away iron machine part lower end and bottom Product paint.
(4)The iron machine part for having aqueous industrial anticorrosive paint to dip-coating carries out drying and processing, and adjustment iron machine part is left To 20 ~ 30 degree of angle, drying temperature is 150 DEG C, drying time 40min, is cooled down after drying and lower X -ray inspection X paint film property, Qualified iron machine part is examined to be carried to warehouse and stacking placement.
Embodiment 3
(1)Iron machine part is subjected to ball blast technique pre-treatment, removes the iron rust on iron machine part surface, iron scale, burr Deng, control iron machine part surface treatment quality reach as defined in GB/T 8923.1-2011 Sa2.5 grades, surface roughness 35- 55μm。
(2)Drifting dust, oil removal treatment etc. are carried out to the iron machine part after pre-treatment, it is ensured that iron machine part clean surface, And detailed inspection iron machine part whether there is fault of construction, qualified iron machine part is then subjected to suspension member dip-coating preparation, Hanger is laterally adjusted to 20 ~ 30 degree of level of incline angles.
(3)Iron machine part is run in front of dip tank with paint line, and iron machine part is when running to dip tank upper end Dextrad angle tilts 20 ~ 30 degree, action:Iron machine part is slowly immersed in groove paint solution, is stopped 3 ~ 10 minutes in groove paint solution; Action:Iron machine part slowly lifts off groove paint solution and paints board channel by dripping, and adjustment iron machine part horizontal sextant angle is 45 degree, last 3 ~ 7 minutes;Action:The iron machine part that dip-coating has aqueous industrial anticorrosive paint slowly move to blow paint position into Row blows paint, dispels the product paint of groove and inner dead space position, pays attention to controlling and blows that to paint pressure be 0.1 ~ 1.0 MPa, lasts 2 ~ 5 points Clock;Action:Iron machine part moves to mopping position and carries out mopping, lasts 3 ~ 7 minutes, brushes away iron machine part lower end and bottom Product paint.
(4)The iron machine part for having aqueous industrial anticorrosive paint to dip-coating carries out drying and processing, and adjustment iron machine part is left To 20 ~ 30 degree of angle, drying temperature is 110 DEG C, drying time 30min, is cooled down after drying and lower X -ray inspection X paint film property, Qualified iron machine part is examined to be carried to warehouse and stacking placement.
The paint film property inspection result of embodiment 1 to 3 see the table below:

Claims (6)

  1. A kind of 1. dipping process of iron machine part aqueous industrial anticorrosive paint, it is characterized in that comprising the following steps successively:
    (1)Iron machine part is subjected to sandblasting, shot-peening or ball blast technique and carries out pre-treatment, removes the iron on iron machine part surface Rust, iron scale and burr, control iron machine part surface treatment quality reach GB/T 8923.1-2011《Steel table before application Face rusting grade and derusting grade》Sa2.5 as defined in standard grades, 35-75 μm of surface roughness, to obtain with application meaning Surface quality;
    (2)Drifting dust, oil removal treatment are carried out to the iron machine part after pre-treatment, it is ensured that iron machine part clean surface, and in detail Check that iron machine part whether there is fault of construction, qualified iron machine part is then subjected to suspension member dip-coating preparation;
    (3)Dip-coating and drip are painted:Iron machine part is run in front of dip tank with paint line, action:Iron machine part slowly soaks Enter in groove paint solution, the groove paint solution is aqueous industrial anticorrosive paint, is stopped 3 ~ 10 minutes in groove paint solution;Action:Cast iron Mechanical parts slowly lift off groove paint solution and paint board channel by dripping, and last 3 ~ 7 minutes;Action:Dip-coating has aqueous industrial to prevent The iron machine part of rotten coating, which slowly moves to, to be blown paint position and carries out blowing paint, and the product for dispelling groove and inner dead space position is painted, and is paid attention to Control blow paint pressure be 0.1 ~ 1.0 MPa, last 2 ~ 5 minutes;Action:Iron machine part moves to mopping position and carries out mopping, 3 ~ 7 minutes are lasted, brushes away the product paint of iron machine part lower end and bottom;
    (4)The iron machine part for having aqueous industrial anticorrosive paint to dip-coating carries out drying and processing, and drying temperature is 60 DEG C ~ 160 DEG C, 30 ~ 60min of drying time, is cooled down and lower X -ray inspection X paint film property after drying, examines the iron machine part of qualification to be carried to Warehouse and stacking placement.
  2. 2. the dipping process of iron machine part aqueous industrial anticorrosive paint according to claim 1, it is characterized in that described Predominant quantity part proportioning of aqueous industrial anticorrosive paint go for the water-based Zhu Ji ︰ of Cheng Mo Wu ︰ antirust Yan Liao ︰ face Tian Liao ︰ Ionized water=20 ~ 40 ︰, 5 ~ 20 ︰, 15 ~ 30 ︰, 1~5 ︰ 10 ~ 30, the film forming matter for aqueous epoxy resins, water-based acrylic resin, One or more in aqueous polyester resin, water-base epoxy ester resin and aqueous alkide resin;The rust resisting pigment is phosphoric acid One or more in salt, molybdic acid salt, borate family, composite iron-titanium powder and zinc powder chemical anti-rust pigment;The face is filled out Expect for one kind or several in micaceous iron oxide, iron oxide red, iron oxide black, mica powder, barium sulfate, alumina silicate magnesium powder and silicon powder Kind;The aqueous promoter is in dispersant, moistening flatting agent, anti-sudden strain of a muscle erosion agent, anti-settling thixotropic agent, defoamer and environment-friendly type cosolvent One or more.
  3. 3. the dipping process of iron machine part aqueous industrial anticorrosive paint according to claim 1, it is characterized in that described Iron machine part be grey casting, white cast-iron part, tough ironware, nodular iron casting, pieces of vermicular cast iron or alloy iron casting The hardware of material.
  4. 4. the dipping process of iron machine part aqueous industrial anticorrosive paint according to claim 1, it is characterized in that described Suspension member dip-coating prepare to include hanger and laterally adjust to 20 ~ 30 degree of level of incline angles, it is longitudinally adjusted:Iron machine part is walked To during dip tank upper end 20 ~ 30 degree are tilted for dextrad angle;When iron machine part is run on drip paint plate, iron machine is adjusted Part horizontal sextant angle is 45 degree;Iron machine part adjusts 20 ~ 30 degree of left-hand angle before entering baker.
  5. 5. the dipping process of iron machine part aqueous industrial anticorrosive paint according to claim 1, it is characterized in that described Aqueous industrial anticorrosive paint dip-coating operation when the dip-coating viscosity of groove paint solution be 15 ~ 30 seconds, the pH value of groove paint solution for 8.0 ~ 10.0, environment temperature during dip-coating is 15 ~ 35 DEG C, envionmental humidity≤85%.
  6. 6. the dipping process of iron machine part aqueous industrial anticorrosive paint according to claim 1, it is characterized in that described Inspection paint film property be that the appearance and performance of paint film are detected, detection appearance have zero defect, whether film thickness reaches It is required that whether surface drying is complete for detection paint film, adhesive force is whether there is, and manual brushing repairing is carried out to paint film bottom drain position, it is described Film thickness is subject to thickness of dry film measured value, is calculated as 15 ~ 50 μm.
CN201711098708.5A 2017-11-09 2017-11-09 A kind of dipping process of iron machine part aqueous industrial anticorrosive paint Pending CN107899909A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109233470A (en) * 2018-08-01 2019-01-18 武汉格瑞奥科技有限公司 A kind of aqueous hybrid inorganic-organic anticorrosive paint containing nanometer aluminium silicate composite powder and preparation method thereof and application method

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