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type BN-AA BN-AB BN-AT BN-AS BN-AY BN-AZ BN-SA BN-SC size 1-3um 4-8um 10-13um 15-20um 28-30um 7-9um 30-100um 100-150um Appearance Powder Color  White Particle Size  1-40um Purity 99.5% Hbn Boron Nitride Density 0.9-1.1 G/Ml at 25 °c pH  5-8 (100g/L, H2O, 20ºC)(Slurry) Melting Point  Sublimes SL Below 3000 Water Solubility  Soluble in Water Oxygen  <0.022%-0.1% Metallic  <0.2% Carbon 0.05% Technology High Frequency Plasma Method Transport Package Air Freight Safety Packing Origin China HS Code 2850000090 Production Capacity  50000tons Per Month