This product is main raw material with magnesian, magnesium chloride, french chalk is complementary makings, chemical reagents is modifier, shape, its craft is simple, manual operation can.

• 此产品以氧化镁、氯化镁为主要原料，滑石粉为辅料，化学试剂为改性剂，一次成型，其工艺简单，手工操作即可。