CN115320187A - Corrosion-resistant profiled steel sheet - Google Patents
Corrosion-resistant profiled steel sheet Download PDFInfo
- Publication number
- CN115320187A CN115320187A CN202211040434.5A CN202211040434A CN115320187A CN 115320187 A CN115320187 A CN 115320187A CN 202211040434 A CN202211040434 A CN 202211040434A CN 115320187 A CN115320187 A CN 115320187A
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- China
- Prior art keywords
- steel sheet
- layer
- aluminum foil
- asphalt
- foil layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 230000007797 corrosion Effects 0.000 title claims abstract description 12
- 238000005260 corrosion Methods 0.000 title claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- 239000011888 foil Substances 0.000 claims abstract description 29
- 239000010426 asphalt Substances 0.000 claims abstract description 28
- 239000003973 paint Substances 0.000 claims abstract description 22
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 19
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000008397 galvanized steel Substances 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000005030 aluminium foil Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 12
- 241000675108 Citrus tangerina Species 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000004049 embossing Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 238000009829 pitch coating Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/322—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with parallel corrugations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Coating With Molten Metal (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a corrosion-resistant profiled steel sheet which comprises a galvanized steel sheet, an asphalt coating, an aluminum foil layer and a fluorocarbon paint layer, wherein the asphalt coating is arranged on the upper side and the lower side of the galvanized steel sheet, the aluminum foil layer is arranged on the outer side of the asphalt coating, the fluorocarbon paint layer is arranged on the outer side of the aluminum foil layer, two ends of the galvanized steel sheet, the asphalt coating, the aluminum foil layer and the fluorocarbon paint layer are respectively provided with an upward-bulged protruding part, and an upward-bulged triangular structure is arranged between the two protruding parts. The steel plate disclosed by the invention has the advantages that the cost is reduced, the asphalt cannot be hardened due to the use of the modified asphalt, the applicable scene is expanded, the orange peel patterns are adopted on the surface of the product, the ductility is improved, and the asphalt and the steel plate are more fully bonded.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a corrosion-resistant profiled steel sheet.
Background
In building construction, a large number of steel plates are used. The existing baffle plates are bonded by asphalt, the bonding is insufficient due to poor performance of the asphalt, the existing asphalt can be quickly hardened, the ductility of the whole steel plate is low, large-scale production and use are not facilitated, and the cost of the whole project can be greatly increased due to the expensive price of the asphalt.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a corrosion-resistant profiled steel sheet.
In order to solve the problems, the technical scheme of the invention is as follows: the utility model provides a corrosion-resistant profiled steel sheet, includes galvanized steel sheet, pitch coating, aluminium foil layer and fluorocarbon paint layer, both sides all are equipped with pitch coating about the galvanized steel sheet, the pitch coating outside is equipped with the aluminium foil layer, the aluminium foil layer outside is equipped with fluorocarbon paint layer, galvanized steel sheet, pitch coating, aluminium foil layer and fluorocarbon paint layer both ends all are equipped with the protruding portion of upwards uplift, two be equipped with the triangle-shaped structure of upwards uplift between the protruding portion.
Further, the thickness of the aluminum foil layer is 0.8 mm, the width is 1040 mm, 8011 series is adopted, and the hardness is 24 and half.
The preparation method specifically comprises the following steps:
(1) Aluminum foil painting: spraying paint on the aluminum foil twice by adopting fluorocarbon paint;
(2) Aluminum foil embossing: after the fluorocarbon paint layer and the aluminum foil layer are completely bonded, the aluminum foil layer is integrally pressed into a tangerine peel pattern shape through a double-roller tangerine peel pattern die;
(3) Aluminum foil compounding: compounding the aluminum foil layer and the galvanized steel sheet by adopting modified asphalt;
(4) Heating: heating the mixture by an electric heating pipe for 2 minutes at the temperature of 60 ℃;
(5) Compacting: compacting by adopting an upper 24-row wheel flattening machine and a lower 24-row wheel flattening machine;
(6) Pressing tiles: pressing a raised structure on the surface;
(7) Cutting: and cutting according to actual needs.
Further, the modified asphalt comprises a base material and an auxiliary material, wherein the base material is SBS synthetic rubber, high-quality road asphalt and a tackifier, and the auxiliary material is a polyester film and a polyethylene film.
Further, the upper layer of galvanized steel sheet is white pitch aluminium foil, and the lower floor is silver grey pitch aluminium foil, and two-layer aluminium foil anti-adhesion paper is the retrograde rolling, carries out preliminary bonding side and gradually accomplishes borduring through external force.
Compared with the prior art, the invention has the advantages that: the steel plate disclosed by the invention has the advantages that the cost is reduced, the asphalt cannot be hardened due to the use of the modified asphalt, the applicable scene is expanded, and the surface of the product adopts orange peel patterns, so that the ductility is improved, and the asphalt and the steel plate are bonded more fully.
Drawings
FIG. 1 is a block diagram of the present invention.
As shown in the figure: 1. a galvanized steel sheet; 2. coating with asphalt; 3. an aluminum foil layer; 4. and a fluorocarbon paint layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a corrosion-resistant profiled steel sheet, including galvanized steel sheet 1, pitch coating 2, aluminium foil layer 3 and fluorocarbon paint layer 4, both sides all are equipped with pitch coating 2 about galvanized steel sheet 1, the 2 outsides of pitch coating are equipped with aluminium foil layer 3, the 3 outsides of aluminium foil layer are equipped with fluorocarbon paint layer 4, galvanized steel sheet 1, pitch coating 2, aluminium foil layer 3 and fluorocarbon paint layer 4 both ends all are equipped with the protruding portion of the uplift that makes progress, two be equipped with the triangle-shaped structure of the uplift that makes progress between the protruding portion.
The thickness of the aluminum foil layer is 0.8 mm, the width is 1040 mm, 8011 series is adopted, and the hardness is 24 and half.
The preparation method specifically comprises the following steps:
(1) Aluminum foil painting: spraying paint on the aluminum foil twice by adopting fluorocarbon paint;
(2) Aluminum foil embossing: after the fluorocarbon paint layer and the aluminum foil layer are completely bonded, the aluminum foil layer is integrally pressed into a tangerine peel pattern shape through a double-roller tangerine peel pattern die;
(3) Aluminum foil compounding: compounding the aluminum foil layer and the galvanized steel sheet by adopting modified asphalt;
(4) Heating: heating the mixture by an electric heating pipe for 2 minutes at the temperature of 60 ℃;
(5) Compacting: compacting by adopting an upper 24-row wheel flattening machine and a lower 24-row wheel flattening machine;
(6) Pressing tiles: pressing a raised structure on the surface;
(7) Cutting: and cutting according to actual needs.
The modified asphalt comprises a base material and an auxiliary material, wherein the base material is SBS synthetic rubber, high-quality road asphalt and a tackifier, and the auxiliary material is a polyester film and a polyethylene film.
The upper layer of galvanized steel sheet is white pitch aluminium foil, and the lower floor is silver grey pitch aluminium foil, and two-layer aluminium foil adhesion preventing paper is the retrograde rolling, carries out preliminary bonding side and gradually accomplishes through external force and bordures.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A corrosion-resistant profiled steel sheet characterized in that: including galvanized steel sheet (1), asphalt coating (2), aluminium foil layer (3) and fluorocarbon paint layer (4), both sides all are equipped with asphalt coating (2) about galvanized steel sheet (1), asphalt coating (2) outside is equipped with aluminium foil layer (3), aluminium foil layer (3) outside is equipped with fluorocarbon paint layer (4), galvanized steel sheet (1), asphalt coating (2), aluminium foil layer (3) and fluorocarbon paint layer (4) both ends all are equipped with the protruding portion of upwards uplift, two be equipped with the triangle-shaped structure of upwards uplift between the protruding portion.
2. A corrosion-resistant profiled steel sheet as claimed in claim 1, wherein: the thickness of the aluminum foil layer is 0.8 mm, the width is 1040 mm, 8011 series is adopted, and the hardness is 24 and half.
3. The corrosion-resistant profiled steel sheet according to claim 1, wherein the preparation method comprises:
(1) Aluminum foil painting: spraying paint on the aluminum foil twice by adopting fluorocarbon paint;
(2) Aluminum foil embossing: after the fluorocarbon paint layer and the aluminum foil layer are completely bonded, the aluminum foil layer is integrally pressed into a tangerine peel pattern shape through a double-roller tangerine peel pattern die;
(3) Aluminum foil compounding: compounding the aluminum foil layer and the galvanized steel sheet by adopting modified asphalt;
(4) Heating: heating by an electric heating pipe for 2 minutes at 60 ℃;
(5) Compacting: compacting by adopting an upper 24-row wheel flattening machine and a lower 24-row wheel flattening machine;
(6) Pressing tiles: pressing a raised structure on the surface;
(7) Cutting: and cutting according to actual needs.
4. A corrosion-resistant profiled steel sheet as claimed in claim 3, wherein: the modified asphalt comprises a base material and an auxiliary material, wherein the base material is SBS synthetic rubber, high-quality road asphalt and a tackifier, and the auxiliary material is a polyester film and a polyethylene film.
5. A corrosion-resistant profiled steel sheet as claimed in claim 3, wherein: the upper layer of galvanized steel sheet is white pitch aluminium foil, and the lower floor is silver grey pitch aluminium foil, and two-layer aluminium foil adhesion preventing paper is the retrograde rolling, carries out preliminary bonding side and gradually accomplishes through external force and bordures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040434.5A CN115320187A (en) | 2022-08-29 | 2022-08-29 | Corrosion-resistant profiled steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211040434.5A CN115320187A (en) | 2022-08-29 | 2022-08-29 | Corrosion-resistant profiled steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115320187A true CN115320187A (en) | 2022-11-11 |
Family
ID=83928411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211040434.5A Pending CN115320187A (en) | 2022-08-29 | 2022-08-29 | Corrosion-resistant profiled steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115320187A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117183488A (en) * | 2023-09-20 | 2023-12-08 | 北京国电盛通电力工程有限公司 | Asphalt-based anti-corrosion composite board and preparation method and preparation equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190392Y (en) * | 2008-03-11 | 2009-02-04 | 杜庆广 | Composite energy-conserving wall roof board |
| CN201214877Y (en) * | 2008-05-05 | 2009-04-01 | 百安力钢结构应用科技有限公司 | Composite board |
| CN202391007U (en) * | 2011-11-23 | 2012-08-22 | 潘智勇 | Colored composite steel plate with heat-insulation, soundproof and waterproof functions |
| CN206545331U (en) * | 2017-03-10 | 2017-10-10 | 河南省国铁新材料有限公司 | A kind of corrosion resistant metal roofing |
-
2022
- 2022-08-29 CN CN202211040434.5A patent/CN115320187A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190392Y (en) * | 2008-03-11 | 2009-02-04 | 杜庆广 | Composite energy-conserving wall roof board |
| CN201214877Y (en) * | 2008-05-05 | 2009-04-01 | 百安力钢结构应用科技有限公司 | Composite board |
| CN202391007U (en) * | 2011-11-23 | 2012-08-22 | 潘智勇 | Colored composite steel plate with heat-insulation, soundproof and waterproof functions |
| CN206545331U (en) * | 2017-03-10 | 2017-10-10 | 河南省国铁新材料有限公司 | A kind of corrosion resistant metal roofing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117183488A (en) * | 2023-09-20 | 2023-12-08 | 北京国电盛通电力工程有限公司 | Asphalt-based anti-corrosion composite board and preparation method and preparation equipment thereof |
| CN117183488B (en) * | 2023-09-20 | 2024-04-02 | 北京国电盛通电力工程有限公司 | Asphalt-based anti-corrosion composite board and preparation method and preparation equipment thereof |
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