6993为固化时放热峰低、收缩率小的新型不饱和聚酯树脂。
HCH-6993 for a curing exothermic peak at the low shrinkage rate of new small unsaturated polyester resin.
SC -1067为固化时放热峰低、收缩率小的新型不饱和聚酯树脂。
SC-1067 for curing exothermic peak at the low shrinkage rate of new small unsaturated polyester resin.
结果表明，在不饱和聚酯树脂中加入2 0 %的该类低收缩添加剂，树脂的固化收缩率为2 1% ， 弯曲强度保有率为88% ，弯由模量没有明显变化；
It shows that after adding 20% low profile additive to the UP resin, the shrinkage rate of cured resin is 2.1%, the retention rate of bending strength is 88% and no change in flexural modulus.
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