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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 -10 H-WF -15 H-WF -25 H-WF -35 H-WF -50 Chemical constituent Al(OH)3 [%] 99.7 99.7 99.7 99.7 99.7 Al2O3 [%] 64.5 64.5 64.5 64.5 64.5 SiO2 [%] 0.05 0.05 0.05 0.05 0.05 Fe2O3 [%] 0.01 0.01 0.01 0.01 0.01 Na2O [%] 0.30 0.30 0.30 0.30 0.30 Loss on ignition 35.0 35.0 35.0 35.0 35.0 Attached water 0.4 0.30 0.30 0.30 0.30 +325 mesh 0.01 0.5 10 30 50 oil absorption 27 22 20 20 20 Mean particle diameter¡]D50¡^ ? m 9-12 13-18 22-27 30-40 40-60 Whiteness [R457] 97 96 95 95 95 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¡G ¡´Plastics and board fireproofing ¡´Coating, adhesives and electronic sealing material ¡´insulating compound, conveyer belt ¡´Artificial stone and BMC and SMC Packaging¡G ¡´Compound paper or plastic packaging ¡´Net weight: 25kg/bag, or40 kg/bag or jumbo bag
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