Boron carbide, alias black diamond, formula B4C, usually black powder. It is one of the hardest three materials known. (the other two are diamonds, cubic boron nitride), used for armor, bullet proof clothing and many industrial applications of tank cars. Its Mohs hardness is 9.3.
-Anti chemical pottery;
-wear-resistant tools;
-Used in double-face grinding of LED and thinning and polishing of sapphire based LED extending plates,national defense industry,nuclear industry refractories industry and other engineering ceramic materials, welding materials etc.
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1) Formal contract can be signed
2) Confidentiality agreement can be signed
3) Seven days refund guarantee
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≤25kg: within three working days after payment received. ＞25kg: one week
Available, we can provide small free samples for quality evaluation purpose!
1kg per bag fpr samples, 25kg or 50kg per drum, or as you required.
Store the container tightly closed in a dry, cool and well-ventilated place.
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