Rubber Grade

Use of Precipitated Silica in Rubber Grade

  • Excellent Abrasive Properties
  • Better tensile strength
  • Better hardness and modules
  • Excellent bonding properties
  • Goods Flash Dried precipitated silica in powder form Economical substitute of VN3, Excellent abrasion properties
  • Improves rolling resistance, wet traction.Other Dynamic properties

Technical Data Sheet

Characteristic Unit NTASIL-400(R) NTASIL-400(RG)
Appearance __ White free flowing powder White Granules
Packing Kgs 25 25
Surface Area (BET) m2/gm 170 160-190
Moisture ( at 105 C for 2 hr) % (max) 6.0-7.0 6.0-7.0
Ignition Loss ( at 1000 C for 2 hrs .on anhydrous basis) % (max) 6.0 6
Bulk density , Tapped (While material packed) gm /lit 90-130 90-130
pH (in 5% aqueous solution) __ 6.5-7.5 6.5-7.5
Sio2 on Anhydrous basis % (min) 98.5 98.5
DBP Oil Absorption % 230 220-240
Behavior with Water __ Hydrophilic Hydrophilic
Residue on 325 Mesh ( Wet Sieving) % (max) 3.0 3.0