Spherical Ceramic B4C Boron Carbide Grinding Ball

Product Description Boron Carbide (B4C) is one of the hardest man-made materials. Its hardness with Mohs hardness 9.36 and microscopic hardness 5400 to 6300kg/mm²is only exceeded by cubic boron nitrides and diamond. Its melting point is 2450°C.  Boron Carbide  garinding medium is suitable for extra hardness metal like case hardened metal deburring and surface grinding. and for vibratory finishing machinery and most other surface finishing machine. Diameter:5mm Packaging & Shipping   Our Services The Reason for you to choose  EASCHEM: 1,Among TOP 100 Chemical Marketing Enterprises in China 
2,Wholly owned production plants for Rare Earth, Plant Extract and Electronic Chemicals 
3,Sales to more than 80 countries 
4,more than 500 products with competitive price
5,Good Quality products, complying with Industry Standard. 
6,50Grams to 1KGs sample,1--5mt LCL, FCL, Long Contract, Year Contract
7,ISO 9001-9002 certified 
8,Up to 90 Days' Credit Payment.
9,Attractive OR(Order Rebates) Policy(1%-5%) FAQ 1. What's your payment terms? T/T AD or Irrevocable L/C.
2. What's your delivery time?
Usually we will arrange the shipment within 7 to 15 days.
3. How about the packing?
Usually we provide the packing as 50 kg Iron Drum or Paper Drum,if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide? 
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Ningbo, Guangzhou or Shenzhen.