Changsha Easchem Co., Limited

cas no 7440-42-8 Amorphous Boron Powder with different Particle Size

Basic Information
Product Description Formula: B,  CAS No.: 7440-42-8,  brown or black brown odorless powder with active chemical character. It is stable in the air at room temperature and will be oxidized when heated to 300℃, ignited at 700℃. Its specific gravity is 2.35g/cm3, melting point is 2,160℃ and boiling point is 2,550℃ (sublimation) 
Grade Purity Mg Insoluble in H2O2 Boron soluble in water Moisture Particle Size (d50)
B85 85-88% 12.0% max 1.5% max 1.0% max 1.0% max 2 micron max
B90 90-92% 6.0% max 1.0% max 0.5% max 0.5% max 2 micron max
B95 95-97% 2.0% max 1.0% max 0.5% max 0.5% max 2 micron max
Usage: additives in pyrotechnics
additives for welding the raw material to produce other borides
the deoxidizer in Oxygen-free smelting additive in MgO-C bricks used for steel-making high temperature furnace
a kind of component of advanced ceramic 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.  
Supplier Information
Changsha Easchem Co., Limited
[ Hunan China ]
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