The 3R813 is made of a premium quality natural rubber and offers various application possibilities. It however, has a poor resistance to ozone and aromatic hydro-carbons.



This rubber is often used in areas where flexibility and abrasion resistance are required.


Technical Data

Polymer Type Natural NR
Color Tan
Hardness (Shore A) ± 5 40
Temperature -25°C to 80°C (-10°F to 180°F)
Tensile Strength, lbs/in² 2500
Elongation minimum, % 400
Compression Set Excellent
Abrasion Resistance Excellent
Tear Resistance Very Good
Ozone Resistance Poor
Impermeability to Gases Good
Resistance to Dilute Acid Fair to Good
Resistance to aromatic hydro-carbons Poor
Heat Aging Fair
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.