Paraclean™ 31L35

1 of 7 products in this brand
Paraclean 31L35 is a copolymer of butadiene and acrylonitrile, cold polymerized with a non-staining stabilizer.

Polymer Name: Acrylonitrile Butadiene Rubber (NBR)

Processing Methods: Injection Molding

End Uses: Footwear, Grommets, O Rings

Features: Fast Curing, Low Absorption, Low Corrosion, Low Temperature Flexibility, Oil Resistant

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Identification & Functionality

Chemical Family

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Paraclean 31L35 offers “clean” low-volatility NBR for injection molding, fast curing, excellent low temperature flexibility with moderate oil resistance, low water absorption and resistant to corrosion. It is recommended for injection molded products, O-rings, seals, gaskets, grommets, diaphragms, and blends with PVC.

Recommended Appliactions:

  • Seals
  • Footwear


Chemical Properties
ValueUnitsTest Method / Conditions
Total Volatile Mattermax. 1%ASTMD 5668
Total Ashmax. 0.8%ASTMD 5667
Bound ACN29.5 - 32.5%INSA
Specific Gravity0.98g/ccASTMD 297
Mooney Viscosity28 - 42MUASTMD 1646
Physical Properties
ValueUnitsTest Method / Conditions
ML3.2 - 6.3lb-inASTMD 2084
MH20.2 - 35.0lb-inASTMD 2084
ts1min. 3.2 - 5.0-ASTMD 2084
t'50min. 4.3 - 6.3-ASTMD 2084
t'90min. 7.5 - 14.7-ASTMD 2084

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging and Storage

This product is commercialized in 25 Kg/Bale (55 Lb. /Bale) - 1,000 Kg/Skid - Net (2,200 Lb. /Skid.) rectangular bales individually wrapped in low melting point polyethylene film. Tolerance in all bale and packaging weights +1 percent.

Store in a dry and ventilated area where it will not be exposed to direct sunlight, extreme temperatures or sources of ignition.Please consult Paraclean 31L35 “Material Safety Data Sheet” (MSDS) for more detailed handling and storage information.