A black crystal powder, is one of the hardness Man-Made materials, its hardness with Mohs hardness 9.36 and micronscopic hardness 5400-6300Kg/ mm2 is only near upon diamond, its density is 2.52g/ cm3....
Su Jia Trading Co., ltd Zhengzhou was established by Zhengzhou Sujia Chemical Co., Ltd & Shanghai Sujia Industry Co., Ltd. We specialize in the production of Basic Chemicals, fire-proof & wear-rest....
MF: BN Place of Origin: China ( Mainland) Grade Standard: Industrial Grade Purity: 99.99% Appearance: white power color: white status: power Packaging: Packaging Detail: 10kgs per fiber....