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The Performance of PE color coated Coil
1.Thickness < = 0.50MM
Item Test Item Standard National Standard Test Result
1 Color Difference ECCA T3 △E<= 2.0 △E<= 1.5
2 Gloss Difference ECCA T2 <= 10 <= 5
3 Coating Thickness ECCA T1 Min 14 Micron Min 16 Micron
4 Pencil Hardness ASTM D3363 >= HB >= HB
5 T-Bend ASTM D4145 <= 3T <= 2T
6 Adhesion ASTM D3359 Grade 0 Grade 0
7 Impact ASTM D2794 >= 20kg.cm >= 20kg.cm
8 Boiling Water Resistance GB/T 17748 2 h no change 2 h no change
9 Solvent Resistance ASTM D2248 200 times paint remaining 200 times paint remaining
10 Salt Resistance ASTM B117 720 Hrs<= grade 1 720 Hrs<= grade 1
11 Dirt Resistance GB/T 9780 <= 5% <= 5%
12 Color retaining 600 hrs △E< = 2 △E< = 2
13 Gloss weaken level GB/T16259 600 hrs<= Grade 2 <= Grade 2
14 Chalking 600 hrs no change No change
1.Thickness > 0.5MM
Item Test Item Standard National Standard Test Result
1 Color Difference ECCA T3 △E<= 2.0 △E<= 1.5
2 Gloss Difference ECCA T2 <= 10 <= 5
3 Coating Thickness ECCA T1 Min 14 Micron Min 16 Micron
4 Pencil Hardness ASTM D3363 >= HB >= HB
5 T-Bend ASTM D4145 <= 3T <= 2T
6 Adhesion ASTM D3359 Grade 0 Grade 0
7 Impact ASTM D2794 >= 50kg.cm >= 50kg.cm
8 Boiling Water Resistance GB/T 17748 2 h no change 2 h no change
9 Solvent Resistance ASTM D2248 200 times paint remaining 200 times paint remaining
10 Salt Resistance ASTM B117 720 Hrs<= grade 1 720 Hrs<= grade 1
11 Dirt Resistance GB/T 9780 <= 5% <= 5%
12 Color retaining 600 hrs △E< = 2 △E< = 2
13 Gloss weaken level GB/T16259 600 hrs<= Grade 2 <= Grade 2
14 Chalking 600 hrs no change No change
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