据观察，只有最好的耐高温材料才被用作耐火材料. 耐火材料是由硅的混合物制成的,
85% 未致密硅粉
92% 未致密硅粉
94% 未致密硅粉
96% 未致密硅粉
99% 未致密硅粉
致密硅粉, is a further processing of the original micro-silica fume to obtain a denser encrypted micro-silica fume.
85% 致密硅粉
92% 致密硅粉
94% 致密硅粉
96% 致密硅粉
