Fumed Silica By Shanghai Hengjian Industry Co., Ltd.

We are offering our customers a wide range of Fumed Silica, which are available following Specifications :-
Item : Class A Qualified Grade
BET surface Area(m2/g) F-100 90-110 85-110
F-150 155i 185 155i 185
F-200 190i 220 186i 225
F-300 280i 330 276i 335
F-380 350i 405 336i 405
pHi 4%i Value 3.8i 4.5 3.7i 4.5
Loss On Heating105a 2h%
a 1.0 a 1.5
Ignition Loss 1000a % a a 0.8 a 1.5
Sio2 m/m % a Y99.8 a Y99.8
Al2O3 m/m % a 0.05 a 0.05
Tio2m/m % a 0.03 a 0.03
Fe2O3m/m % a 0.003 a 0.003
C, m/m % a 0.10 a 0.15
Chloride, m/m % a 0.015 a 0.020
Density i g/Li 40i 60 40i 60
Sieve Residue 45Aum a , % a 0.03 a 0.04
Application:It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries.F-150: used widely in silicone acid rubber, sulfurized silicone rubber in ambient temperature (low water content), silicone neutral rubber.F-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet powdered preparation, artificial viscera, infusion tube, latex nipple and high quality oil ink.F-380: used widely in reinforcing agent for silicone rubber, medical silicone rubber for transparent artificial organs and artificial heart etc.
Packing: packed with multi-layer paper plastic compound bag with net weight of 5 kg or 10 kg, or packed by whole plastic seal for users having special demand on water content.