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LINE TESTED PROPERTIES |
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Property |
Measured By |
Test Method |
Results |
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Hardness |
Pencil |
ASTM D3363 NCCA Tech. Bull.
4.2.5 |
H or Harder |
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Impact |
Reverse |
ASTM D2794 NCCA Tech. Bull. 4.2.6 |
1/2inx1kgx50cm |
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Flexibility |
T-Bend |
ASTM D4145 NCCA Tech.Bull. 4.2.8 |
Maximum 1T |
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Specular Gloss |
60° Meter |
ASTM D523 |
1~5% |
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Resistance to color change |
QUV (1000 hours) |
ASTM G53 |
E Hunterlab: intermediate color:?7 unit, eg Wheat |
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Natural well washed exposure (10years) |
ASTM D822 |
E Hunterlab: intermediate color:?7 unit, eg Wheat |
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Resistance to chalking |
QUV (1000 hours) |
ASTM G53 |
Chalk rating: ?6 |
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Natural well washed exposure (10years) |
ASTM D822 |
Chalk rating: 6 |
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Resistance to corrosion |
Salt spray (1000 hours) |
ASTM B117 NCCA Tech. Bull. 5.4.6 |
Blister size:#6 few No loss of adhesion |
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Resistance to humidity |
1000 hours |
ASTM D2247 NCCA Tech. Bull. 5.4.5 |
Blister size:#8 few No loss of adhesion |
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Property |
Measured By |
Test Method |
Results |
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Resistance to acids |
Exposure |
ASTM D1308 (3.1.1) |
No discoloration
No blistering |
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Resistance to alkalis |
Exposure |
ASTM D1308 (3.1.1) |
No discoloration
No blistering |
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Resistance to solvents |
Exposure |
ASTM D5402 |
No discoloration
No blistering |
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Adhesion |
Natural well washed exposure (10years) |
ASTM D3359 |
No flaking or peeling |
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Resistance to heat |
Exposure 60°C, 16 hours |
ASTM D6491 |
Color change: E Hunterlab: ?3 units |
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Flexibility |
T-Bend |
ASTM D4145 NCCA Tech.Bull. 4.2.8 |
Maximum 2T (no peel-off) |
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Resistance to abrasion |
Taber Abrasion-1000g CS 10 wheels |
ASTM D4060 |
20mg per 100 cycles |
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Scratch |
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Typically 2000g |
