PARALOID™A-646树脂是一种非常坚硬的甲基丙烯酸甲酯聚合物，在MEK中以45％的固体含量提供。这种树脂是PARALOID™A-101的较低分子量类似物，允许使用更高固含量的配方，并且使涂料的粘度更低，以获得更高的光泽度和更好的回流。

PARALOID™ A-646 resin is a very hard methyl methacrylate polymer supplied at 45% solids in MEK. This resin is a lower molecular weight analog of PARALOID™ A-101, allowing for higher solids formulations, and enables coatings to be lower in viscosity for higher gloss and better reflow.

用于：金属和木材的透明涂料凹版印刷油墨用于塑料的载体涂料优点：对塑料基材和底漆涂层具有优异的附着力快速干燥高度耐用优异的耐水和耐盐雾性低分子量和高固含量配方能够提供更高的光泽和更好的回流典型性能溶剂：甲基乙基酮密度： 8.1 Lb / Gal（25°C）粘度：1500-3000（25°C，Cp）闪点：-6.1 Tcc（闪点°C）; 105（Tg，℃）分子量：40000（重均）溶解度：9.4硬度：21-22（极限硬度透明膜，Khn）化学组成：mma聚合物可用性：A新西兰太平洋欧洲拉丁美洲北美

Used In:

Clear coatings for metal and wood

Gravure printing inks

Barrier coatings for plastic

Advantages:

Excellent adhesion to plastic substrates and primer coats

Fast drying

Highly durable

Excellent resistance to water and salt spray

Low molecular weight fand higher solids formulations

Enables higher gloss and better reflow

Typical Properties

Solvent: Methyl Ethyl Ketone

Density: 8.1 Lb/Gal (25°C)

Viscosity: 1500-3000 (25°C, Cp)

Flash Point: -6.1 Tcc (Flash Point °C); 105 (Tg, °C)

Molecular Weight: 40000 (Wt. Avg.)

Solubility: 9.4

Hardness: 21-22 (Ultimate Hardness Of Clear Films, Khn)

Chemical Composition: mma Polymer

Availability:

Asia Pacific

Europe

Latin America

North America

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