性能
性能评级 |
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产品使用和配方 |
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典型特性 |
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| % Solids | 54.5-55.5 % |
| Chemistry | 100% Acrylic |
| pH | 9.0-9.8 |
| Viscosity | <140 |
什么是 PRIMAL™ EC-4642 ME Pure Acrylic Copolymer?
它经专门开发，用于防护性和反射性涂料，可帮助改善对混凝土、金属、喷涂聚氨酯泡沫 (SPF) 和其他基底的干湿附着力。它提供了优异的耐久性和耐沾污性，有助于延缓浅色屋面涂层随时间推移而变黑，进而实现长期节能。
用途
- Acrylic Copolymer developed to help improve wet and dry adhesion to concrete, metal, spray polyurethane foam (SPF) and other substrates
- For protective and reflective coatings
优势
- Outstanding exterior durability and UV resistance.
- Long lasting, low temperature flexibility and crack resistance to lengthen the life of the roof
- High resistance to dirt pick-up for long term reflectivity
- Very good adhesion to roofing substrates (i.e. concrete, galvanized sheets , polyurethane, Foams etc..)
- Good protection against carbonation
- Very good resistance to transmission of ponded water