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Aluminum Hydroxide Al¡]OH¡^3 CAS NO. 21645-51-2 General Properties Molecular weight 78 Mohs hardness 3 Density g/cm3 2.4 Ratio of refraction 1.58 Physical and Chemical Properties Item Model H-WF -1LS H-WF -1 H-WF -3 H-WF -5 Chemical constituent Al(OH)3 [%] 99.7 99.7 99.7 99.7 Al2O3 [%] 64.5 64.5 64.5 64.5 SiO2 [%] 0.05 0.05 0.05 0.05 Fe2O3 [%] 0.01 0.01 0.01 0.01 Na2O [%] 0.35 0.35 0.35 0.35 Loss on ignition 35.0 35.0 35.0 35.0 Attached water 0.4 0.4 0.4 0.4 +325 mesh 0.01 0.01 0.1 0.5 oil absorption 32 32 32 32 Particle size [um] D10 0.3-0.6 0.3-0.6 0.5-0.8 0.7-1.0 D50 1-2 1-2 2-4 4-6 D90 4-6 4-6 7-10 8-12 Specific conductivity [?s/cm] 150 200 150 150 Whiteness [R457] 97.0 97.0 96.0 96.0 PH value PH 10.0¡Ó1.5 Notes: In this specification, the mean particle size can also be produced according to customer's requirements. Applications ¡´Plastics and rubber ¡´Coating, adhesives and electronic sealing material ¡´wire-insulating compound, rubber cable, conveyer belt Packaging ¡´Compound paper or plastic packaging ¡´Net weight: 25kg/bag, or jumbo bag
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