• RUBBER GRADE PRECIPITATED SILICA
    SUPERSIL -
    140 gives high dispensability, makes it better reinforcing silica and suitable for filling a natural, synthetic and latex rubber, transparent shoe soles, Tyres, tubes, rubber lining, vulcanization of rubber etc. to provide toughness and high resistance to abrasion.
 
 
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