Silica

Product Detail

Chemical Name             Silica                                
Molecular Formula       S_iO₂·nH₂O
CAS NO                      7631-86-9





Specification

Appearance	White Powder/Granule
Silica(Dry Basis)=%	98
Type	S115	S125	S155	S175	S195
BET Specific Surface Area m2/g	100-130	115-135	140-160	165-185	185-205
CTAB	90-120	105-125	130-150	155-175	175-195
Bulk Density g/l	190-260 Powder 270-340 /Granule
PH value(10% aqueous solution)	6.0-7.5
Loss on Ignition(dry basis)% =	7.0
Loss on Drying   % =	4.0-8.0
DBP Adsorption, cm³/100g	200-300
Residue (45µm ) %=	0.50
Cu Content, mg/kg=	30.0
Mn Content, mg/kg=	50.0
Fe Content, mg/kg =	1000.0
%(Na2SO4)   Soluble Salts%(in forms of Na2SO4)=	1.6




Properties	White granule or powder.
Uses	Good  transparent rubber product, shoe-making Material,  additive of plastic and polyester, cover of cable  and electric wire, strengthening agent of  light-colored rubber, carrier of forage additive, pigment additive.
Package	20-25kg/bag
Storage Life	12 months