GRAPHITE PACKING

Graphite Sealing Materials, Gaskets and Packing

Expanded Graphite Roll/Sheet

Item Class A Class B Class C Class D

1.0g/cm3 Density Tolerance ± 0.05 ± 0.05 ± 0.06 ± 0.07

Thickness Tolerance ± 0.03 ± 0.03 ± 0.04 ± 0.05

Carbon Content % 99.5 99 99 98

Tensile Strength Mpa >>4.5 >>4.5 >>4.5 >>4.0

Compressibility % >40 >40 >40 >40

Recovery % >12-15 >12-15 >10 >10

Sulphur Content ppm <300 <600 <1200 <1500

Chlorine Content ppm <35 <40 <45 <50