It has been improved the disadvantage of large shrinkage-rate in light-weight wall materials by adding additive.
通过掺加添加剂,有效地改善了轻质墙体材料通常存在的收缩率大的缺点。
2
The invention relates to methanol fuel security additive. Its components weight percentages are as follows: disperse brilliant blue 40-45%, spirit light fast blue 45-50, and methanol 10%.