We are offering rubber chemicals, synthetic rubber, natural rubber, rubber latex and speciality chemicals.
sio2 � silicon dioxide (%) 98.6
cao- calcium oxide (%) 0.30
al2o3 � aluminum oxide (%) 1.0
fe2o3 - ferric oxide (%) 0.030
mgo- magnesium oxide (%) 0.03
k2o � potassium oxide (%) 0.01
na2o- sodium oxide (%) 0.01
ph value 6.8
typical physical properties
loss on ignition (%)
0.3
median particle size (microns) 3.40
specific gravity 2.65
tapped density (lbs./ft.3) 45.0
loose density (lbs./ft3) 42.0
oil absorption 33.00
hegman fineness 7.0-7.5
mohs hardness 7
reflectance ( %) 92.0
yellowness index 3.1
% thru 325 mesh.

We are offering rubber chemicals, synthetic rubber, natural rubber, rubber latex and speciality chemicals.
sio2 � silicon dioxide (%) 98.6
cao- calcium oxide (%) 0.30
al2o3 � aluminum oxide (%) 1.0
fe2o3 - ferric oxide (%) 0.030
mgo- magnesium oxide (%) 0.03
k2o � potassium oxide (%) 0.01
na2o- sodium oxide (%) 0.01
ph value 6.8
typical physical properties
loss on ignition (%)
0.3
median particle size (microns) 3.40
specific gravity 2.65
tapped density (lbs./ft.3) 45.0
loose density (lbs./ft3) 42.0
oil absorption 33.00
hegman fineness 7.0-7.5
mohs hardness 7
reflectance ( %) 92.0
yellowness index 3.1
% thru 325 mesh.