PRECIPETED SILICA – PSL 07R

General Information

Product Packaging :
25kg Net P P Bags With Liner Inside.

Storage And Hendling :
Full Information On The Handling Of This Product Is Available Upon Request.

Product Application :
Reinforcing Silica, Transparent Moulded Shoe Soles, Tyre, Sponge, M C Sheeets, Cycle Tyre & Tube, Condoms.

Sr No. Description of Test Specification/Limits Test Results
1 Characteristics White Free Flowing Powder Pass
2 pH (5% w/v) Aq. Sus. 6.0 to 7.0 6.0 to 7.0
3 Moisture Content % Mass by mass, 5.0 Max 4.0 to 6.0 %
4 Heavy Metal NMT 200 ppm Complies
5 Sio2 Content % Mass by mass, 98.0 Min Complies
6 L.O.D At 1100C 2 hrs. % Mass by mass, 5.0 to 5.5 Max 5.1%
7 Loss on Ignition % Mass by mass, 10.0 Max 9.36%
8 Other Soluble Salt % Mass by mass, 0.5 Max. 0.32 %
9 Bulk Density Before Tapping
Bulk Density After Tapping

0.166gm/ml
0.227gm/ml
10 Water Absorption ml/100 gm Min. 180 ml/100 gm 240 ml / 100 gm to 260 ml / 100 gm
11 AL2O3 CONTENT % by weight max. 0.20 Nil
12 SURFACE AREA 175 ± 10 m2/ g

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