Changzhou Dingang Metal Material Co.,Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 100000 tons per year |
| Delivery Time | 30 workdays |
| Packaging Details | Seaworthy Packing With Wooden Pallet |
| Product Name | Prepainted Aluminum Coil |
| Alloy | 1050, 1100, 3003, 5052, 5050, 3104 |
| Temper | H1-H32, T3-T8 |
| Thickness Paint Layer | PVDF, More Than 25micron |
| Type of Coating | PE or PVDF Mainly |
| Thickness Paint Layer PE | More Than 18micron |
| Brand Name | Dingang |
| Model Number | PPAL |
| Certification | SGS,ITS,BV |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 100000 tons per year |
| Delivery Time | 30 workdays | Packaging Details | Seaworthy Packing With Wooden Pallet |
| Product Name | Prepainted Aluminum Coil | Alloy | 1050, 1100, 3003, 5052, 5050, 3104 |
| Temper | H1-H32, T3-T8 | Thickness Paint Layer | PVDF, More Than 25micron |
| Type of Coating | PE or PVDF Mainly | Thickness Paint Layer PE | More Than 18micron |
| Brand Name | Dingang | Model Number | PPAL |
| Certification | SGS,ITS,BV | Place of Origin | China |
| High Light | PE PVDF coated aluminum sheet ，prepainted aluminum roofing panels ，corrugated metal roofing sheets | ||
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Item
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Specification
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|---|---|
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Material
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Aluminum Alloy (1060, 3003, 3004, 5052 optional)
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Thickness
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0.5mm, 0.7mm (customizable for special requirements)
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Coating Type
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PE (Polyester) Coating, PVDF (Fluorocarbon) Coating
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Coating Thickness
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PE: 15-25μm; PVDF: 20-30μm (primer + topcoat for PVDF)
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Alloy Temper
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H12, H14, H24, H26 (customizable based on project needs)
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Width
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1000mm, 1220mm, 1500mm (max 2650mm, customizable)
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Length
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2m-6m (customizable up to 12m for large-span projects)
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Color
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RAL color code, Pantone color, or custom color (matte, high-gloss,satin finishes optional)
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Surface Finish
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Smooth, wood grain, stone grain, or brushed (customizable)
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Standards
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ASTM, JIS, DIN, EN, ISO, GB, AAMA 2605 (for PVDF)
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Certification
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SGS, ITS, BV
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PVDF Coating: Based on PVDF resin with fluorine content over 60%, featuring C-F bonds with bond energy up to 500 kJ/mol. It offers exceptional weather resistance, UV resistance, acid-alkali resistance, and salt spray resistance, maintaining stable color for over 20 years in harsh environments such as coastal high-salt-fog areas and industrial pollution zones. The coating has a pencil hardness of ≥2H, adhesion of ≥1 level, and excellent self-cleaning performance with low surface energy (18-22 mN/m), making pollutants hard to adhere.
PE Coating: Made of polyester resin, with good decorative performance, high gloss, and rich colors. It is cost-effective, with a service life of 10-15 years in temperate climates, suitable for general outdoor and indoor roofing projects. The coating adopts a single-layer baking process at 200-220℃, ensuring good processability and flexibility.
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Performance Item
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PE Coating
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PVDF Coating
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|---|---|---|
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Weather Resistance (Outdoor Service Life)
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10-15 Years
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20-25 Years
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UV Resistance (QUV Aging Test)
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2000-3000 Hours
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≥4000 Hours (Gloss Retention >90%)
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Pencil Hardness
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≥2H
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≥2H (Better Wear Resistance)
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Adhesion
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≥1 Level
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≥1 Level
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Acid-Alkali & Salt Spray Resistance
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Medium
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Excellent (Suitable for Coastal/Industrial Areas)
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Self-Cleaning Performance
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General
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Excellent
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Cost Level
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Economical (50%-70% of PVDF)
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Higher (Premium Performance)
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Residential Buildings
Commercial Buildings
Industrial Buildings
Public Facilities
Special Environments
Aluminum Substrate Selection: High-quality aluminum alloy coils are selected and inspected to ensure uniform thickness and stable performance.
Surface Treatment: The substrate is degreased, pickled, chromated, and dried to remove impurities and form a protective film, enhancing coating adhesion.
Coating Application: PE coating adopts single-layer roller coating; PVDF coating adopts double coating and double baking process (primer + topcoat), with precise control of coating thickness.
High-Temperature Curing: PE coating is cured at 200-220℃; PVDF coating is cured at 230-250℃ to form a stable and dense coating film.
Cooling & Cutting: The coated aluminum coil is cooled to room temperature, then cut into sheets of specified width and length according to customer requirements.
Quality Inspection: Each batch of products undergoes strict inspection (coating thickness, adhesion, color difference, flatness, etc.) to ensure compliance with standards.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2002
Total Annual:
50 000 000-200 000 000
Employee Number:
800~1000
Ecer Certification：
Active Member
Changzhou Dingang Metal Materials Co., Ltd. / Jiangsu Senruida New Materials Co., Ltd. is comprehensive enterprise integrating in production, processing, and sales. Situated in Changzhou City and Huai'an City, Jiangsu Province, we specialize in manufacturing color coated aluminum coils, film-coated ... Changzhou Dingang Metal Materials Co., Ltd. / Jiangsu Senruida New Materials Co., Ltd. is comprehensive enterprise integrating in production, processing, and sales. Situated in Changzhou City and Huai'an City, Jiangsu Province, we specialize in manufacturing color coated aluminum coils, film-coated ...
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