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
