Specifications ath for bmc/smc, ath for solid surface, athartifical marble, flame retardant, artificial onyx filler, alumina trihydrate, al(oh)3 aluminium hydroxide cas no.: 21645-51-2 einecs no.: 244-492-7 formula: al(oh)3 mol wt.: 78 h.s. Code: 2818.30 hydrate alumina ath, aluminium hydroxide, artifical marble, artificial onyx filler, granite &stone, ath1000 alumina, ath, surface coated ath, h-wf-14, aluminium hydroxide, flame retardant, artifical marble, toothpaste abradant, flame retardant, kingway chemicals.artificial onyx filler, etc, regarding aluminium hydroxide for artifical marble, toothpaste abradant, flame retardant, artificial onyx filler, etc, spec: physical properties : appearance: white powder molecular formula: al(oh)3 molecular weight: 78.0 cas no.: 21645-51-2 bulk density(g/cm3):loosed: 1.1 packed: 1.3 density(g/cm3): 2.42 shelf life: longer than 2 years. chemical properties : al(oh)3: 99.6% min. Al2o3: 65.1% min. Sio2: 0.03% max. Fe2o3: 0.02% max. Na2o: 0.3% max. L.o.i.: 35% max. Moisture: 0.3% max. Ph: 7.5~10 whiteness:95% min. Particle size:d50: 13~18um packing: in 25 kgs bags, we have different size, fine, ultra fine, and also coated by silane or stearic acid. Particle size d50:90um, 75~90um, 50um, 25um, 20um, 14um, 10um, 5um, 3um, 1um. http://www.hnkingway.com/en/product_2_1_2.html precipitation aluminium hydroxide for cable, spec as follow: al(oh)3: 99.5% min. Sio2: 0.08% max. Fe2o3: 0.02% max. Na2o: 0.3% max. L.o.i.: 35% max. Ph: 7.5~9.8 moisture: 0.5% max. Adsorption(ml/100g): 45 max. Whiteness:97% min. Particle size: d50: 0.9~ 1.2um . + 200 mesh: 0% + 325 mesh: 0.1% max. Packing: in 25 kgs bags with pallet.26mt in 40'gp.