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Rubbers Classification
01. Natural Rubber (NR)
Characteristics:
Good elasticity, wear-resistant and tear-resistant; poor oil resistance and prone to aging.
Applications:
General normal-temperature sealing (O-rings, shock-absorbing parts).
02. Polyurethane Rubber (PU)
Characteristics:
Ultra-wear-resistant, oil-resistant, tear-resistant; narrow temperature range (-20°C to 80°C).
Applications:
Sealing rings, shock-absorbing parts, industrial wear-resistant components.
03. Fluororubber (FKM)
Characteristics:
High temperature resistance (200–250°C), strong corrosion resistance.
Applications:
Aero engines, automotive turbo systems, chemical equipment.
04. Silicone Rubber (VMQ)
Characteristics:
Extreme temperature resistance (-70°C to 260°C), electrical insulation, and biocompatibility.
Applications:
Food and medical equipment, high-temperature sensors, low-temperature environment sealing.
05. Ethylene Propylene Diene Monomer (EPDM)
Characteristics:
Weather resistance (UV/ozone resistance), water resistance, and polar solvent resistance.
Applications:
Outdoor sealing, waterproof pipes, electrical insulation parts.
06. Chloroprene Rubber (CR)
Characteristics:
Weather resistance, oil resistance, and good flame retardancy.
Applications:
Gaskets, hoses, outdoor seals (scenarios requiring weather resistance).
07. Butyl Rubber (IIR)
Characteristics:
Excellent airtightness, aging resistance, and chemical corrosion resistance.
Applications:
Inner tubes, pharmaceutical bottle stoppers, high-vacuum sealing.
