Silicon Dioxide NL-160 NL-160 is strongest rubber reinforcing agent, has many distinct excellence that improves tyre avulsion intersion resistance,boosts up tyre wall flection fatigue resistance, increases ankylosis capability without sulfurated glue,increases adhesion power which glue gives steel wire or shade fabric, reduces heat capacity of tyre face glue and enhances brake system. Application: tyre making Technique Index: Item Value Appearance white powder Loss on drying 105C 2h % 4.0-7.0 Ignition loss 1000C % ≤7.0 PH value 6.7-7.1 BET specific surface area m2/g 145-170 DBP absorbed value cm3/g 2.10-2.50 SiO2 % ≥93 Na2SiO4 % ≤1.0 Fe2O 300 average partile μm 24.0-32.0 granularity distributing 40μm bulk >90%