Butyl Rubber

BUTYL RUBBER

Butyl Rubber is impermeable to air with outstanding resistance to gases, vapors, heat aging, oxygen, ozone, sunlight, abrasion and tearing. It offers excellent resistance to alkalis and acids and this material is good for electrical insulation, automotive parts and construction.

 

PROPERTIES

Denver Rubber Company butyl rubber is performance driven.

  • Air tight and gas impermeable
  • Low glass transition temperature
  • Good ozone resistance
  • Good vibration damper
  • Biocompatible
  • Slow aging material
  • Non-toxic

 

Physical Properties

Elongation: 350%
Hardness Range (Durometer Shore A): 60

 

Thermal Properties

Minimum Service Temperature: -22°F
Maximum Service Temperature: 240°F

 

TYPES OF BUTYL

Durometer
Hardness
(Shore A ± 5)
Thickness
inches
Width
inches
Tensile
psi
Ultimate
Elongation
%
Temperature
Range
Estimated Weight
Per Linear Foot
(1/8″ x 36″)
Specifications
401/32 – 1/436, 481100550-40°F to +180°F2.09 lbASTM D 2000
M1AA 407
501/32 – 1/436, 481100400-40°F to +180°F2.2 lbASTM D 2000
M1AA 507
601/32 – 1/436, 481100300-40°F to +180°F2.24 lbASTM D 2000
M1AA 607
701/32 – 1/436, 481500250-40°F to +180°F2.3 lbASTM D 2000
M1AA 707

 

APPLICATIONS

  • Shock mounts and Butyl O-Rings
  • Sealant for rubber roof repair, construction sealants, hoses and mechanical goods.
  • Tubeless tire liners, inner tubes.
  • Stoppers for glass bottles, medicine bottles, and pharmaceuticals
  • Pond and Tank liners