We can provide free samples . Please contact Email for any inquiries

General seal damage reason of components, it is required to seal the work:
1 hardening (aging) - seal one leakage reason is because the influence of temperature hardening material by itself, when the hardness is too high, can not fill and seal with the gap between the parts, it will produce leakage.
2 wear - seal wear relates to fit the surface finish of parts, speed of movement and transmission media, different sealed material to adapt to different speed.
3 extrusion - when the seal of over pressure may be squeezed out to the metal clearance, the seal is damaged caused by leakage, this relates to the hardness and metal sealing gap itself is too big, if in the design, selection, processing or installation of misconduct, there will be squeezed out of damage.
4 corrosion performance out of the case seals softening even dissolution, the reason is that the seal is media intrusion, errors occur when the selection of materials. If the media or aqueous solvent should pay special attention to.
5 general seal according to the temperature, velocity, pressure and materials can be used as the following simple classification (for reference only):
The temperature rating applicable materials speed material suitable for pressure rating applicable materials
110 degrees of nitrile rubber / polyurethane 0.5 M/S rubber 200kg/cm2 with hardness and design
200 c fluorine rubber 0.6 M/S polyurethane 400kg/ cm2 with hardness and design
260 C PTFE Teflon 700kg/ cm2 with 14 M/S hardness and design