non asbestos sealing rubber sheet/graphite gasket sheet

Item

Index

Density(g/cm3)

≥1.1

Transverse Tensile Strength(MPa)

≥2.5

Compressibility(%)

15-30

Recovery(%)

≥20

Stress Relaxation Ratio(%)

≤40

Loss on ignition 800°C,1h(%)

≤35

Normal Tem. Deflection Coefficient ≤

F=12

 Fluid Resis-tance

IRM903 Oil

(149±2°C),5h

Change in Weight (%)

≤50

Change in Thickness (%)

≤15

ASTM Fuel B

(21-30°C),5h

Change in Weight (%)

≤40

Change in Thickness (%)

≤15

Glycol:Water=1:1

(130±2°C),22h

Change in Weight (%)

≤50

Change in Thickness (%)

              ≤12