ALUMINUM BORATE FIBER Product Nameï¼? AlUNIMUM BORATE FIBER Item Number: NP-BW2 1. Date Sheet: Chemical Composition: 9Al2O3·2B2O3 Al2O3 (Dry Basis) (%): 85 +/- 2 B2O3 (Dry Basis) (%): 13 +/- 1 Length (µm):10-60µm Diameter(µm):0.3-3µm L/D Ratio: 20-80 Gravity (g/cm3): 2.93 Moisture Content (%) :< 0.5 Melting Point () : 1440 PH Value: 6.5+/-0.5 Mohs Hardness: 7 2. Package: 10KG/Bag (Inner Plastic Bag plus Kraft Paper Bag Outside)