Industry information
【Huayuan wollastonite】Does wollastonite powder contain he
  • 来源:未知
  • 作者:admin
  • 发布时间:2020-03-27 11:42
  •  次浏览
Do not contain
 
 
 
The original meaning of heavy metal refers to metal with specific gravity greater than 5 (generally speaking, metal with density greater than 4.5g / cm3), including gold, silver, copper, iron, lead, etc
 
 
 
Wollastonite powder
 
 
 
Molecular formula: Ca3 (si3o9)
 
 
 
Hardness: 4.5-5.0
 
 
 
Relative density: 2.78-2.91
 
 
 
Among them, only calcium (CA) is metal, while calcium
 
 
 
The density is
 
 
 
1.54g/cm3
 
 
 
Not heavy metal