How to Bend Aluminum Composite Panel ?
Step-by-step instructions for bending aluminum composite panels, safety considerations, and tips for successful bending....
PVDF marble grain aluminium sheet is commonly used in curtain wall decoration. The texture is the same as that of the stone slab, it is a perfect substitute for the stone slab for construction. PVDF marble grain aluminium sheet’s construction technology is simple, easy to install, while its service life is longer than that of stone slabs.
It is much lighter than stone slab for same square meters, and it can be recycled again. For some special purposes, it can be deep processed into stone grain honeycomb aluminum plate, stone grain heat insulation aluminum plate, etc., and the surface is sprayed with marble and other stone grain lines. STEK is PVDF marble grain aluminium sheet manufacturer with low price. All products can pass the national standard test and are used by many large projects such as Beijing and Shanghai.
PVDF marble grain aluminium sheet can fully meet the design requirements and can be made into a shape that stone can’t.
The coating of PVDF marble grain aluminium sheet has many excellent characteristics such as long life, fingerprint resistant, antibacterial, thermal insulation and corrosion protection, self-cleaning, anti-fading, high strength etc .
According to GB/T 9276, after the sample has been exposed for 10 years, the discoloration with ?E of not more than 5NBS compared with the original color is qualified. It can be directly measured with a computer color imeter, and the average value of the points is taken.
The measurement method is as following: after exposure, the sample is exposed to clean water and a damp cloth to remove the surface ash, and then the color change is measured.
At the same time, the same batch of unexposed samples is measured as a reference, and the color difference between the two is compared. Rinse the sample gently with water to remove the dust accumulation. It is not allowed to wipe or polish hard to avoid removing the powder.
Coating thickness: It can be divided into single coating (4μm-20 μm); double coating (25μm-28 μm); 3 coating (35μm-38μm).
Generally can be divided into: spray PVDF marble grain aluminium sheet, pre-roll coating PVDF marble grain aluminium sheet, spray point imitation PVDF marble grain aluminium sheet, real stone lacquered PVDF marble grain aluminium sheet.
size of base plate | thickness | 0.2-1.5mm |
width | 600-1850mm | |
thickness of coating | single coated | 4-20μm |
double coated | 25-28μm | |
three coated | 35-38μm | |
colors | Refer to the color chart of our company, and also can modulate any color according to customer needs |
Item | Test Item | Standard | National standard | Test Result |
1 | Color Difference | ECCA T3 | ΔE≤2.0 | ΔE≤1.5 |
2 | Gloss Difference | ECCA T2 | ≤10 | ≤5 |
3 | Coating Thickness | ECCA T1 | Two layers Min 23μm | ≥25μm |
Three layers Min 30μm | ≥34μm | |||
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 | ≥50kg.cm | ≥50kg.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 △E≤2.0 | No change |
12 | Nitric acid Resistance | AAMA620 | △E≤5.0 | △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/μm | ≥5L/μm |
16 | Dirt Resistance | GB/T9780 | ≤5% | <5% |
17 | Color retaining | GB/T16259 | 4000 hrs△E≤4.0 | 4000 hrs △E≤3.0 |
18 | Gloss weaken Level | 4000 hrs ≤ Grade 2 | 4000 hrs ≤ Grade 2 | |
19 | Chalking | 4000 hrs No change | 4000 hrs No change |
PVDF marble grain aluminium sheet can also be used to make aluminium decking, painted aluminium gutters, painted aluminium sheet for trailers, perforated aluminium fence panels, aluminium railing etc.
PVDF marble grain aluminium sheet produced by STEK are widely used in curtain wall decoration, ceilings, columns, door heads, simple construction process, easy installation, the weight of each square aluminum plate is more than 70% lighter than the stone plate, high safety, wholesale price, the price advantage is obvious.
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