AAMA 620 滚涂结构铝底层的高性能有机涂层的规范—测试标准

AAMA 620 Voluntary Specification for High Performance Organic Coatings on Coil Coated Architectural Aluminum Substrates

AAMA 620 滚涂结构铝底层的高性能有机涂层的规范

AAMA 620 滚涂结构铝底层的高性能有机涂层的规范—测试范围

This specification describes test procedures and requirements for high performance organic coatings applied to aluminum coil substrates for architectural use.

This specification covers factory-applied coil coatings only. The primary units of measure in this document are metric. The values stated in SI units are to be regarded as the standard. The values given in parentheses are for reference only.

本规范描述了用于建筑用铝卷基材的高性能有机涂料的测试程序和要求。本规范仅涵盖工厂使用的卷材涂料。本文件中主要的度量单位是公制。以SI单位表示的值被视为标准。括号中的值仅供参考。

AAMA 620 滚涂结构铝底层的高性能有机涂层的规范--检测项目及方法

AAMA 620 Section 7.1 ASTM D2244色彩均匀性 Color uniformity

AAMA 620 Section 7.2 ASTM D523  60℃镜面光泽度 Specular gloss at 60℃

AAMA 620 Section 7.3 ASTM D3363干膜硬度 Dry film hardness

AAMA 620 Section 7.4.1.1涂层干式附着力 Film dry adhesion

AAMA 620 Section 7.4.1.2涂层湿式附着力 Film wet adhesion(24h,38°C)

AAMA 620 Section 7.4.1.3涂层沸水煮附着力 Film boiling water adhesion

AAMA 620 Section 7.5 耐背面冲击测试 Reverse impact resistance

AAMA 620 Section 7.6 ASTM D4145  涂层耐柔韧性 Coating flexibility

AAMA 620 Section 7.7 ASTM D968耐落沙磨耗 Abrasion resistance

AAMA 620 Section 7.8.1耐盐酸 Muriatic acid resistance(15 mins,10%HCl)

AAMA 620 Section 7.8.2耐泥浆 Mortar resistance(24h, 100% RH,38°C)

AAMA 620 Section 7.8.3耐硝酸 Nitric acid resistance(30 mins)

AAMA 620 Section 7.8.4耐清洁剂 Detergent resistance(72h, 38°C)

AAMA 620 Section 7.9.1 ASTM D2247-02 or ASTM D4585-07  耐湿 Humidity resistance (3000h,100% RH,38°C)

AAMA 620 Section 7.9.2 ASTM B117-07a耐盐雾 Salt spray resiatance(3000h)

AAMA 620 Section 7.10耐候测试 Weathering (南佛罗里达州,北纬27度,45度角面向南方,5年曝晒)

AAMA 620 Section 7.10.1.2 ASTM D2244 Section 6.3颜色保持力 Color retention

AAMA 620 Section 7.10.1.3 ASTM D4214耐粉化性 Chalk resistance

AAMA 620 Section 7.10.1.4 ASTM D523光泽度保持力 Gloss retention

AAMA 620 Section 7.10.1.5 ASTM B244耐侵蚀 Resistance to erosion

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出自：GF2021