SULPHUR POWDER

SPECIFICATION

 
MF MICROFINE
UF ULTRAFINE
RGS REGULAR
1. PURITY (ELEMENTAL SULPHUR BY MASS)
99.5
99.5
99.5
2. ASH CONTENT (% MAX.)
0.12
0.15
0.25
3. ACIDITY (AS THE % MAX. OF H2SO4
0.01
0.015
0.025
4. MOISTURE (% MAX.)
0.1
0.15
0.2
5. PARTICLE SIZE % MIN. THROUGH B.S.S.
100#
99.5
99.5
99.5
200#
95 - 99
92 - 94
90
6. SPECIFIC GRAVITY
2.05
2.05
2.05
7. MELTING POINT IN C0
1130C
1130C
1130C

NOTE: ANY SPECIFICATION OF THE ABOVE GRADES CAN BE ALTERED TO SUIT THE NEEDS OF CLIENTS REQUIREMENTS.
 
ASH CONTENT : IS MINIMISED TO ENSURE NO INTERFERENCE IN AGING PROPERTIES AND FOR SOME CRITICAL FUNCTION AREAS.
ACIDITY : IS KEPT UNDER CONTROL TO ENSURE THAT CURE RATE IS NOT RETARDED.
MOISTURE : IS MINIMISED, SO AS NOT TO IMPAIR ADHESION IN CASE CONTENT OF TEXTILE RUBBER COMPOSITION AND ALSO BECAUSE MOISTURER IS A CARRIER FOR FREE ACIDITY.
PARTICULAR SIZE : IS CONTINUOUSLY MONITORED AND STRICTLY CONTROLLED. UNIFORM PARTICLE SIZE ENSURES UNIFORM DISPENSION IN THE RUBBER MASS WITHIN A SHORT PERIOD.

(SPEC-80)
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