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.

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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.

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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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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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