墨垫

Graphite GAsket, have no adhesive and packing. it is pure and good at corrosion resistant & high temperature resistant. it is suitable for sealing of low pressure part of facilities. it is used to prevent the galvanic corrosion between graphite and flange. Properties Value Remark Piling Density/gcm 3 0.002-0.005 Product Density/gcm 3 0.8-1.7 Carbon Content % ≥98 >99.5%IS CALLED Crozzle(ASH) % ≤0.35 HIGH PURITY GRAPHITE Sulphur Content 1000PPm Chlorine Content 50PPm Melting Point 0 C 3650 Hardness 21 33 Tensile Strength(Mpa) 8 10 Compressive Strength(Mpa) 70 110 Compressibility % ≥ 15 Resilient rate % ≥ 30 PH 0-14 Friction Coefficient 0.149