Fireproof building material, Prepainted aluminium coils/roll are widely used for aluminum ceiling and roofing sheet, fireproof roller shutter, doors, wall panel, aluminum composite panel(ACP)etc.
Specification for coated aluminum coils/roll
01)Material: Aluminum alloy A1100, A3003, A3005
02)Aluminum thickness: 0.20-1.20mm
03)Max coil width: 1600mm(standard 1240mm)
04)Coil's standard diameter: 1200mm, Interior diameter: 150mm, 405mm, 505mm, etc.
05) weight: 0.5-5.0T/coil or by buyer's option
06) Surface treatment: PE or PVDF coating
07) Color & Designs: All RAL colors, wooden grain, marble stone, mirror, matte, etc.
08) Dried and baked: Oven baked at 450 degree F
09) Coating thickness: PVDF-25 micron, PE-18 micron
10) Coating hardness: (pencil hardness) HB
11) Coating adhesive: No lower than first grade
12) Impact resistance: No cracking and peeling(50kg/cm, ASTMD-2794: 1993)
13)Flexibility(T-bend): 2T or by your option
14) MEK resistance: More than 100
15)Outer packing: Wooden plate
Applications
Exterior applications: Wall cladding, facades, roofs and canopies, tunnels, column covers or renovations
Interior applications: Wall cladding, ceilings, bathrooms, kitchens and balconies
Advertisement and market applications: Display platforms, signboards, fascia and shop fronts
Color Chart
Workshop Facilities
|
Item |
Test Item |
Standard |
National standard |
DF Test Result |
|
1 |
Color Difference |
ECCA T3 |
Δ E≤ 2.0 |
Δ E≤ 1.5 |
|
2 |
Gloss Difference |
ECCA T2 |
≤ 10 |
≤ 5 |
|
3 |
Coating Thickness |
ECCA T1 |
Two layers Min 23um |
≥24um |
|
|
|
|
Three layers Min 30um |
≥33um |
|
4 |
Pencil Hardness |
ASTM D3363 |
≥ HB |
HB |
|
5 |
T-bend |
ASTM D4145 |
≤ 2T |
≤ 2T |
|
6 |
Adhesion |
ASTM D3359 |
Grade 0 |
Grade 0 |
|
7 |
Impact |
ASTM D2794 |
≥ 50 kg/cm |
≥ 50 kg/cm |
|
8 |
Boiling water Resistance |
GB/T17748 |
2h No Change |
4h No Change |
|
9 |
Solvent Resistance |
ASTM D2248 |
200 times paints remaining |
500 times no break |
|
10 |
Acidity Resistance |
ASTM D1308 |
5%HCL 24hrs no change |
No change |
|
11 |
Alkali Resistance |
ASTM D1308 |
5%NaOH 24hrs no change color Δ E≤ 2.0 |
No change |
|
12 |
Nitric acid Resistance |
AAMA620 |
Δ E≤ 5.0 |
Δ E≤ 5.0 |
|
13 |
Oil Resistance |
ASTM D1308 |
20# oil 24hrs no change |
No change |
|
14 |
Salt Spray Resistance |
ASTM B117 |
4000hrs≤ Grade 1 |
No change |
|
15 |
Abrasion resistance |
ASTM D968 |
≥ 5L/um |
≥ 5L/um |
|
16 |
Dirt Resistance |
GB/T9780 |
≤ 5% |
< 5% |
|
17 |
Color retaining |
GB/T16259 |
4000 hrsΔ E≤ 4.0 |
4000 hrsΔ E≤ 3.0 |
|
18 |
Gloss weaken Level |
GB/T16259 |
4000 hrs ≤ Grade 2 |
4000 hrs ≤ Grade 2 |
Zhaoqing Dindfeng Building Materials Co., Ltd is Located in Zhaoqing national high-tech zone, This is an ideal place for the industrial transfer from around the Pearl River Delta. It takes 10 minutes to Mafang Port, Guanghe expressway, 312 National Road, and it takes 30 minutes to Guangzhou Baiyun International Airport.
It covers an area of 80000 square meters, with the world advanced automatic coated aluminum coil production line, strip cutting equipment and plate cutting equipment. With the largest output and most styles, DingFeng has become one for largest manufacturer in local China for the aluminum ceilings and aluminum coils. The annual output reaches 20000 tons for coated aluminum coil and 1 million square meters for aluminum ceiling tiles.
Dingfeng consists out of a renowned, highly qualified and professional group of technical and managerial personnel. While we supply perfect quality assurance, we are committed to research and development and product innovation. Our company has been stressing on an established quality management system, and we have obtained ISO 9001 International Quality System Certification. Each product is also being tested regularly by the National Building Materials Supervision Inspection Center, and all products reach the national standard. At the same time, the company has a perfect internal quality inspection mechanism at various phases of the production process, ensuring each product reaches the standard requirement, keeping customers trust.
With advanced equipment strength, strong production strength and excellent detection system, Dingfeng products are hot selling to more than 20 countries from Europe, America, Southeast Asia, Middle East. Our products are widely applied to interior and exterior decoration, such as ceiling, roofing, wall cladding, kitchen cabinet, curtain wall, roller shutters, etc.
