Switch to a condensation curing compound. These compounds do not use platinum and thus are not affected by any of the above.
换成缩合固化。这些化合物不用铂催化剂，因此不会受到以上因素的影响。
The preparing method for the internal curing compound of solution-type concrete is characterized in that the following procedures are applied: 1) preparation of raw materials;
溶液型混凝土内养护剂的制备方法，其特征在于包括以下步骤：1）取料；
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis.
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
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