Specifications

WE ARE FACTORY:based on our own graphite ore,we can Stable supply timely with more authentic price.

HDG404---Flexible graphite sealing gasket. It is divided into normal style and self-adhesive style. It is for emergency use. It could be enwinded directly onto the valve pole or pump axis, and pressed into the stuffing box. It can replace HDG402. take off the antiseize paper and stick the self-adhesive shim onto the sealing face of linear and full diameter 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 HIGH PURITY GRAPHITE
Crozzle(ASH) %	≤0.35
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