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a purity:min98% .
b hydrophobic precipitated silica .
c white powder .
d good service .
e high quality,best price.
hydrophobic precipitated silica powder suppier 98%purity
Application :
Application : Silicon Rubber, Antifoaming agent, Resin ,Dying and Finshing auxiliaries, Defoamer agent, lubricant , Unsaturated fatty acid, Powder fire extinguishing agent ,tire rejuvenator,car care,led rejuvenation ,etc.
|
Item |
value |
|
BET m2/g (Specific surface area) |
≥200 |
|
PH value |
5.0-8.0 |
|
Oil Absorption cm3/g |
2.0-3.5 |
|
Loss on drying 105°C % |
4.0-8.0 |
|
Loss on Ignition 1000°C% |
≤7.0 |
|
SiO2 content % |
≥98 |
|
Average Particle Size μm |
≤5 |
Properties: It comes from the hydrophilic silica reacted with the silane coupling agent in proper conditions . It is solid state powder silica , on the surface it is polysiloxane-grafted. The dewatering contact angle can be 70-150.
