Boron

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Boron

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 start to oxidize when heated to 300℃ in air and be ignited at 700℃. Its specific gravity is 2.35g/cm3, melting point is 2,160℃ and boiling point is 2,550℃ (sublimation).

Specifications
 
Grade
Purity
Mg
Insoluble in H2O2
Water soluble  boron
Moisture
Avg. Particle Size (D50)
B85
85-88%
≤12.0%
≤ 1.5%
≤ 1.0%
≤ 1.0%
≤ 1µm
B90
90-92%
≤ 6.0%
≤ 1.0%
≤ 0.5%
≤ 0.5%
≤ 1µm
B95
95-97%
≤ 2.0%
≤ 1.0%
≤ 0.5%
≤ 0.5%
≤ 1µm

Applications
 
  ★ Additive in pyrotechnics
  ★ Raw material to produce other borides
  ★ Deoxidizer in low Oxygen copper smelting
  ★ Additive for welding
  ★ Additive to special alloys
  ★ Propellant in solid rockets
  ★ Ignitor in air bagsin automotive
  ★ Coating or hardening agent
  ★ Component of advanced ceramic
  ★ Additive in MgO-C bricks used for steel-making high temperature furnace
  
 
Packing
 
0.5 kg per Al-plastic bag (vacuum), 10, 12.5 or 15 kg per drum