White Carbon Black

White Carbon BlackChemical Description: Precipitable Hydration Silicon DiocideRegistered Trade Mark: "haihua"Molecular formula: SiO2·nH2OAppearance: White PowderSpecification: (1)HT199 white carbon black of high transparency, high ability of bolster-up and high wear-resistance. Purpose: mainly used for pharmaceutical, foodstuff, feedstuff additive, dry powder extinguishing agent and oil paint, etc. And also can be used for high transparent rubber products and soles production.(2)HT299-1 white carbon black of high ability of bolster-up and high wear-resistance. Purpose: mainly used for meridian tyres and also plied for translucent and multicolor rubberized plastic soles and products.Packing Specification: 15KG/Bag, 20KG/Bag, 300KG/BagStandard in Performance: HG/T3061 3073-1999Quality Technical Index: Item Technical Index Test methodHT199HT299-1HT299-2SiO2 content (dry produce) %≥90≥90≥90HG/T 3062-1999(eqv ISO 5794-1:1994)Heating loss % 105°C,2h3.0-7.04.0-7.04.0-7.0HG/T 3065-1999(eqv ISO 5794-1:1994)Loss on ignition (dry product)% 1000°C,2h3.0-6.03.0-6.03.0-6.0HG/T 3066-1999(eqv ISO 5794-1:1994)PH Value6.5-7.55.5-7.06.0-7.5HG/T 3067-1999(eqv ISO 5794-1:1994)BET Specific Surface Area m2/g200-260165-185145-165HG/T 3073-1999(neq ISO 4652-1:1994)DBP Oil Absorption cm2/g2.8-3.52.0-3.02.0-3.0HG/T 3072-1999(eqv ISO 5794-1:1994)Total FE Content mg/kg<500<500<500HG/T3070-1999(eqv ISO 5794-1:1994)(150°C×10’)ISO5794/2 Physical Performance of Standard Directions500% Extension, Mpa5.5-8.0≥6.3HG/T2404-1992Stress at Break, Mpa,≥17.0≥17.0HG/T2404-1992Greatest Elongation≥700≥675HG/T2404-1992