BUTYL (IIR) rubber sheet

Known as Isobutylene-isoprene (IIR) or as Butyl.
Butyl, also known as Isobutylene-isoprene (IIR), is a synthetic rubber developed in the 1940’s. It has exceptionally low gas permeability making it ideal for inner tubes and high pressure/vacuum sealing applications. Its very low resilience makes it suitable for shock and vibration damping. Its chemical unsaturation gives it excellent resistance to heat, ozone, and weathering, and also to dilute acids and alkalis.
It is not suitable for use in mineral or petroleum based fluids.

General Propertiesmin - max
Hardness ShA30 - 90 ShA
Hardness IRHD30 - 90 IRHD
breaking strength8 - 20 MPa
elongation at break100% - 900%
Thickness0,10mm - 15mm
Continuous Temperature-55 C° - 120C°
Point Temperature-55 C° - 130C°

Properties

Acids resistance
Non-skid
UV resistance
Ozone Resistance
  • Inner tubes.

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