CF silicone solid rubber reinforced with fiberglass is a dimensionally-stable, durable material for press pads, belting and gasketing. It is available in six constructions.
CF3320, available in three thicknesses, was developed to meet AMS 3320. Consequently, 3320 has lubricating oil resistance and excellent compression set resistance.
CF4032 and CF4050 are thin, flexible and abrasion-resistant for generalpurpose use.
CF4420 is specially formulated for thermal stability and long life under extrememore
Unit of Measure

Dielectric Strength

500 V/mil

Thermal Conductivity (Average from 75 to 350 ºF)

1.9 BTU in/h·ft2 ºF

Elongation at Break

Less than 10 %

Linear Thermal Expansion

1.5 x 10-4 in/in/ºF (silicone rubber) 4.7 x 10-6 in/in/ºF (fiberglass)

Width

38 in

Color

Red

Test Method Thickness

D751

Thickness

1/8 ±.010 in

Fiberglass Thickness

.135 in

Test Method Weight

D751

Weight per Square Yard

144 lb

Fiberglass (% of Weight)

10 %

Test Method Weight Loss

D751

Weight Loss (4 h at 400 ºF)

< 0.5 %

Test Method Break Strength

D751

Break Strength (Warp)

400 ppi

Test Method Diaphragm Burst Strength

D751

Diaphragm Burst Strength

800 psi
Durometer (Shore A ±5)1 68
  • 1 Actual rubber durometer is 50 for 4032; 60 for 3320, 4420, 4444; 65 for 4451; 70 for 4480.