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RUBBER BUTYL (IIR)

BUTYL rubber is the synthetic elastomer resulting from the copolymerization of isobutylene and isoprene. It offers excellent resistance to extreme temperatures (-60°C to +180°C), bad weather and aging.

Advantages of Butyl rubber:

  • Great impermeability.
  • Excellent cushioning quality
  • Good chemical resistance to: concentrated mineral acids (hydrochloric, sulfuric, hydrofluoric, nitric, phosphoric) ammonia and concentrated alkalis, halogenated or nitrated derivatives, organic acids (acetic, lactic), ketones, alcohols and esters.
  • Very good resistance to extreme temperatures
  • Limits: hydrocarbons (oils and fats), aliphatic, aromatic or chlorinated solvents.

Example of IIR applications:

  • Inner tubes,
  • Gloves roof coverings,
  • Shock absorbers

Sectors of use of Butyl:

  • Construction Tires

 

Our design office is at your disposal to support you in your projects

BUTYL rubber
GENERAL PROPERTIESmin - max
Hardness ShA30 - 90 ShA
Hardness IRHD30 - 90 IRHD
Tensile Strength8 MPa - 20 MPa
Elongation at break100% - 900%
Operating temperature
Continuous Temperature-55 C° - 120C°
Point Température-55 C° - 130C°
Resistances
Resistance to solvents
Resistance to acids
oxygen Ageing
Ozone Ageing
light Ageing
cold Ageing --
heat Ageing --
Colors available :
 

Typical applications include diaphragms, gaskets, inner tubes, liners, O-rings, seals, speaker surrounds and bottle closures.

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