Elastomers/TPEs
Chlorinated Isobutyl Isoprene Rubber — Chlorinated Isobutyl Isoprene Rubber
CIIR retains the excellent gas impermeability of butyl rubber while offering improved tack and adhesion for dynamic applications. It is often used in blends with other rubbers for enhanced performance.
CIIR
Manufacturers
2
Grades
3
Applications
5
Equivalents
0
Physical Properties
- Density
- 0.93 - 0.95 g/cm³
- Water Absorption (24h)
- 0.1 %
- Transparency
- Opaque
- Shrinkage
- 2.0 - 3.0 %
Mechanical Properties
- Young's Modulus
- 0.01 - 0.05 GPa
- Tensile Strength
- 7 - 22 MPa
- Elongation at Break
- 300 - 650 %
- Impact Strength (Izod)
- N/A
Thermal Properties
- Glass Transition Temperature
- -60 to -70 °C
- Melting Point
- N/A
- Continuous Service Temperature
- -50 to 120 °C
- Heat Deflection Temperature
- N/A
Electrical Properties
- Dielectric Constant
- 2.5 - 3.0
- Volume Resistivity
- 10^13 - 10^14 Ohm-cm
- Dielectric Strength
- 20 - 30 kV/mm
Chemical Resistance
- Acids
- Good
- Bases
- Good
- Solvents
- Good resistance to polar solvents, water, steam; Poor resistance to hydrocarbons
- UV Resistance
- Excellent
Sustainability
- Recyclability
- Limited
- Recycling Code
- N/A
- Carbon Footprint
- Moderate
Manufacturing compatibility
Halogenation of IIRMoldingExtrusion
Applications
Tire inner liners
Hoses
Seals
Vibration dampers
Blends with other elastomers
Available grades
CIIR 60-1CIIR 70-1CIIR 80-1