Useful PDMS PropertiesProperty Units Condition

sValues A B C D

Tensile strength

MPa ASTM D 412

9.0 2.24

1.55 1.79

Elongation % ASTM D 412

725 550 640 430

Tear strength Die B kNm-1

ASTM D 624

37.7 4.9 6.48 5.6

A = Injection molded liquid silicone rubber, Silastic1 LSR 9280-40.

B = One-part RTV acetoxy cure, Dow Corning1 732.

C = One-part RTV alcohol cure, Dow Corning1 737.

D = One-part RTV oxime cure, Dow Corning1 739.Polymer Data Handbook - PDMS

PDMS

- Valve

Available PDMS Properties

Solubility of Gases in PDMS (pg. 14)

Gas Permeability (Oxygen Permeability) (pg. 13)

Water Contact angle (pg. 11)

Surface tension (pg. 12)

Compressibility (pg. 8)

Thermal Expansion Coefficient (pg. 7)

Solvents and Nonsolvents (pg. 3)

Polymer Data Handbook - PDMS