帮助中心
配方类型:
PYROTECHNICS AND EXPLOSIVES
配方说明:
Delay-Fuse Powder (U.S. Patent 2,450,892)
配方组成:
Sulfur/5
Barium chromate/90
Zirconium/5
配制方法:
Mix dry and then wet with water or carbon tetrachloride for forming.
联系我们
咨询反馈