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Rubber Grade Specification


# TECHNICAL SPECIFICATION
1 PHYSICAL APPEARANCEPOWDER SNOW WHITE FREE FLOWING
2 PARTICAL SIZE 3 TO 6 MICRONS
3 BET SURFACE AREA 140 – 170
4 MOISTURE CONTENT AT 105`C 3 TO 5 % MAX
5 IGNITION LOSS AT 1000`C 10 % MAX
6  PH OF 5 % AQUEOUS SUSPENSION 6.5 TO 7.5
7 BULK DENSITY 0.11 TO 0.14 GM. / CC
8 WATER ABSORPTION % 250 TO 300
9 OIL ABSORPTION % 250 TO 270
10 RESIDUE ON 325 MESH ( WET SIEVING) 0.3 % MAX.
11 SILICA CONTENT , ANHYDROUS BASE 98 %
12 SPECIFIC GRAVITY 1.92

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