This fabric membrane is made of one or two layers of nylon inserted in a blended economical neoprene.


The 3R817 is a very good choice as a low cost rubber and when resistance to oils, ozone and traction are required.


Technical Data

Polymer Type Neoprene diaphragm CR/SBR/NBR
Color Black
Hardness (Shore A) ± 5 65
Temperature Limit,°C -25°C to 85°C (-10°F to 185°F)
Tensile Strength, lbs/in² 600
Elongation minimum, % 300
Compression Set Fair
Abrasion Resistance Fair
Tear Resistance Fair
Ozone Resistance Good
Impermeability to Gases Good
Resistance to Dilute Acid Good
Resistance to aromatic hydro-carbons Good
Heat Aging Good
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.