SUBSTITUTE OF NITRILE RUBBER
DEAR SIR,
WE HAVE A PRODUCT WHICH CAN REPLACE 25% EASILY TO NITRILE RUBBER WITHOUT ANY BAD EFFECT. THE TECH. DETAILS IS MENTION BELOW :
CALPHONIX
THIS IS BROWN COLORED SYNTHETICS RUBBER AND CAN BE SUBSTITUTEDNITRILE RUBBER UPTO 25% AND ALSO CAN BE BLENDED UPTO 35% WITH FRICTIONAL ELEMENTS,NATURAL RUBBER AND SBR RUBBER TO IMPROVE OIL AND HEAT RESISTANCE AND AGING PROPERTIES. A TYPICAL COMPOSITION WITH NITRILE RUBBER IS GIVEN HERE :
NITRILE RUBBER - 750 GMS
CALPHONIX - 250 GMS
ZINC OXIDE - 50GMS
STEARIC ACID - 15 GMS
SULPHUR - 10 GMS
H A F BLACK - 500 GMS
M B T S - 10 GMS
T M T D - 2 GMS
PLASTICIZER - 100 GMS
CURE CHARACTERSTICS AT 150 O C (FROM RHEOGRAPH)
SCORCH TIME (MINUTES) - 1.3
OPTIUM CURE TIME - 4.0
PHYSICAL PROPERTIES :
TENSILE STRENGTH (KG/CM2) : 150
% ELONGATION : 430
HARDNESS (IRHD) : 62
MODULUS (100%) KG/CM2) : 25
% EXTRACT IN 70 : 30 MIXTURE OF ISOOCTANE
TOLUENE FOR 72 HRS, : 6.5
AFTER AGING 100 OC/72 HRS.
TENSILE STRENGTH : 123
% ELONGATION : 320
HARDNESS (IRHD) : 75
THIS PRODUCT HAVE UNUSUAL AND DESIRABLE FRICTIONAL QUALITY .OTHER ADVANTAGES INHERANTS IN
CALPHONIX GOOD THERMAL CONDUCTIVITY INFUSIBILITY, RESISTANCE TO HIGH TEMP. ITS ALSO RESISTS
THE ACTION OF MOISTURE , SOLVENTS, OILS, GREASES. FURTHER CALPHONIX HAS THE ADDITIONAL ADVANTAGES
MISCIBILITY WITH RUBBER , PITCHES, GUM AND DRYING OIL WHICH MAY BE INCLUDED IN A FRICTIONAL ELEMENTS.
IF YOU HAVE ANY INTEREST PLEASE INFORM US FOR A SAMPLE FOR YOUR TRAIL.
REGARDS
ANIL KHOWALA
SHREERATH CHEMICALS
CALCUTTA , INDIA
PH :***4 , 22437597