Sigma 540 Super Jointing Sheet

ITEM :- Sigma 540

PRODUCT NAME :- Sigma 540 Graphited

BRAND :- SIGMA PLACE OF ORIGIN : INDIA

CERTIFICATION :- API, ISO 9001

APPLICATIONS / USES :-
Compressed asbestos fibre (crysotyle) processed with SBR (Styrene Butadiene Rubber) manufactured with latest technology consistently Uniform Jointing Sheet intimately mixed with heat resisting rubber compounds under special process to ensure maximum stability against high pressure and temperatures.


Application :
Best suitable against saturated steam, oxygen, petroleum distillates, oils and fats, fuels, internal combustion engines, hydrocarbons, alcohols, solvent, dyes, water, alkalies & week acids, ammonia, propane producer gas under high stress conditions etc. Popularly used in MARINE ENGINES, electricity generating sets etc.


Service Limits, Application Parameter


Specification Compliance
IS 2712 - 1998
IS 2712 - 1979 Grade W/1 IS 2712 - 1971 Grade A/S
IBS 2815 - 1973 Grade A
Max. Operating Temperature
360
°C
Max. Operating Pressure
150
Kg/cm²
Density
ASTM F 1315
1.95
g/cm³
Compressibility
ASTM F 36A
7
%
Recovery
ASTM F 36A
50
%
Tensile Strength
ASTM F 152
27.5
N/mm²
Stress Relaxation (50 N/mm²,16h,300°C)
DIN 52913
28
N/mm²
Loss on ignition
ASTM F 495
24
%
Thickness increase
ASTM F 146
Weight Increase
ASTM F 146
Water (48h, 23 °C)
5
%

Appearance: Yellow / Grey or Graphited

Dimensions Available: In thickness 0.4 mm, 0.8 mm, 1 mm, 1.5 mm, 3.2 mm, 4.8 mm. In standard width 1500 mm & long as required.



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