Butyl (IIR)

General Guidelines

Common Name: Butyl

Chemical Names: Isobutylene, Chlorobutylene, Halobutylene

Properties: Very good weathering resistance. Excellent dielectric properties. Low permeability to air. Good physical properties. Poor resistance to petroleum-based fluids.

Size Sheet Range: Width: .75” -60” Thickness: .010” – 1.00” Length: Min 60’ Ft

Uses: tire inner tubes, bladders, hosing

Uses: Gaskets, Washers, seals for doors/windows, outdoor applications

 

Note – Property values are all based on cured elastomers

 

 


Common Name: Butyl

Chemical Names: Isobutylene, Chlorobutylene, Halobutylene

Properties: Very good weathering resistance. Excellent dielectric properties. Low permeability to air. Good physical properties. Poor resistance to petroleum-based fluids.

Size Sheet Range: Width: .75” -60” Thickness: .010” – 1.00” Length: Min 60’ Ft

Uses: tire inner tubes, bladders, hosing

Uses: Gaskets, Washers, seals for doors/windows, outdoor applications

Durometer Range: 40 – 80 Shore A

Elongationa: 300% – 850%

a-Range given based on Hardness

Abrasion Resistance: Good

Compression Set: Fair

Flame Resistance: Poor

Flex Cracking Resistance: Good/Excellent

Impact Resistance: Good

Resilience/Rebound: Poor

Tear Resistance: Good

Temperature Rangeb (Service): -60°F to 300°F

b- Cured rubber temperature operating service range

Ozone Resistance: Excellent

Steam Resistance: Excellent/Outstanding

Weather Resistance: Excellent

Oxidation Resistance: Excellent

Gas Permeability: Good

Sunlight Resistance: Excellent

Water Resistance: Very Good

Chemical Resistance: Animal and vegetable fats, oils, greases, ozone, strong and oxidizing chemicals.
Attacked By: Petroleum, solvents, coal tar solvents, aromatic hydrocarbons.