Contrast with single base gun propellant with polymer coating layer, the two-layered variable-burning rate propellant has good properties of progressive combustion and low temperature coefficient.
与高分子包覆单基发射药相比，双层结构变燃速发射药具有较好的燃烧渐增特性和明显的低温度系数效果。
This product is a polymer coating, can adapt to the grass-toots small deformation, can play a shelftered cracks and curb the role of the surface cracks, and the waterproof layer has good overall.
本品是一种高分子涂料，可适应基层微小变形，能起到遮蔽裂纹和抑制表面产生裂纹作用，且防水层具有较好的整体。
应用推荐