Silica for Rubber Industry 
Technical Parameters： | Type | YRSIL-180P | YRSIL-180BD | YRSIL-180GR | | Appearance | Powder | Micro-pearl | Granule | | BET specific surface area ㎡/g | 170-190 | 170-190 | 170-190 | | Silica(dry basis) % | ≥ 96 | | Heating loss (105°C) % | 4.0-8.0 | | Loss on ignition (1000±25°C)% | ≤7.0 | | PH-value(10%aqueous solution) | 5.0-8.0 | | DBP Oil Absorption Value cm3/g | 2.0-3.5 | | 45um sieve Residue % | ≤ 0.5 | | Soluble salt (Na2SO4)% | ≤ 2.5 | | Cu mg/kg | ≤ 30 | | Mn mg/kg | ≤ 50 | | Fe mg/kg | ≤ 500 |
STANDARD: HG/T 3061-2009
CAS NO: 112926-00-8(7631-86-9)
EINECS No: 231-545-4
Product Description: The product can be used in sole as reinforcing filler. Its reinforcing performance is close to carbon black. It can empower rubber products with light color and transparency. | 
