| Name | Characteristics | Material | Temperature- resistance | Performance |
| Silica gel | Soft material, good sealing effect, easy to install | VMQ | ≥-120°,≤250° | Good sealing, can effectively prevent oil leakage, air leakage |
| Chemigum | Good sealing effect, easy installation, affordable | NBR | ≥-90°,≤120° | Wear resistance, oil resistance, anti aging, can effectively
prevent oil leakage, air leakage, seal special material |
| Fluorelastomer | Hard material, high strength, not easy to damage, not easy to aging | FKM | ≥-200°,≤250° | Resistance to aging, corrosion, ozone and radiation |
| Natural rubber | Medium material, high tear, not easy to damage, not easy to aging | NR | ≥-20°,≤150° | Aging resistance, wear resistance, high elongation shooting effect |
| Ethylene-Propylene-Diene Monomer | Medium material, strong weather resistance, not easy to damage, not
easy to aging | EPDM | ≥-20°,≤150° | Water resistance to overheating, aging resistance, ozone
resistance, hand neat resistance, acid and alkali resistance |
| Acrylonitrile | Good synthesis, high impact strength, chemical stability, good
electrical performance | ABS plastic
| ≥-20°,≤150° | High strength, fatigue resistance, stable size, small creep (very
little change at high temperature) |
| Polystyrene | Colorless and transparent, high light transmittance, color water
resistance, good stability | PS plastic | ≥-30°,≤80° | Easy to produce stress brittle, not resistant to benzene, suitable
for making transparent insulation parts, decorative parts and
chemical instruments |
| Polypropylene | Low density, strength stiffness, hardness and heat resistance are
better than low pressure polyethylene | PP plastic | ≥-20°,≤150° | Low temperature time brittle, wear-resistant easy aging, suitable
for the production of general mechanical parts, corrosion and
insulation parts |
| Polyphenylene sulfide | Excellent electrical insulation, white hard and brittle, general
strength, rigidity is very good | PPS plastic | ≥-20°,≤260° | Suitable for heat resistant parts, insulation parts, chemical
instruments, optical instruments and other parts |
| Polyurethane | High strength, oil resistance, wear resistance, ozone resistance,
insulation | PU plastic | ≥-10°,≤120° | High mechanical properties, curing shrinkage is small, good
chemical stability |
