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Interep CNA CR Standard

Interep CNA CR Standard cellular rubbers have an excellent fire resistance, good resistance to several different groups of chemicals , notably hydrocarbons , oils and seawater . They also display good aging resistance and good compression sets.

Polymer Name: Chloroprene Rubber (CR)

Physical Form: Sheets

Features: Flame Resistant, Good Mechanical Properties, Good Weather Stability, Oil Resistant, UV Resistant

End Uses: Seats

Color: Black

Tensile Strength: 0.86 - 0.86 MPa

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Identification & Functionality

Chemical Family
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses

Properties

Color
Flame Rating
Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Elastomer BasisCR
Density150 - 200Kg/m³
Compression Deflection (25%)35 - 65%
Compression (50%, 22h, 23°C)approx. 18%
Compression (50%, 22h, 40°C)approx. 41%
Water Absorption5.0%ASTM D 1056
Ultimate Elongationapprox. 131%
Tensile Strengthapprox. 860Kpa
Typical Properties
ValueUnitsTest Method / Conditions
Tear Resistanceapprox. 2.4kN/mASTM D624 DIE C
Temperature Range (Constant)-40 to 100°C
Temperature Range (Intermittent)115.0°C
Air + UV ResistanceGood
Oil ResistanceGood

Regulatory & Compliance

Certifications & Compliance
Specifications
  • ASTM D 1056 - 57 Specification (2,C2, A1, B2, C,E1)
  • AFNOR NFR Specification  (2, C2, A1 B2, C, E1)
  • FMVSS 302 Respecification (2 mm): Pass
  • UL 94 Respecification (2 mm): HF1, (0.7 mm): VO

Packaging & Availability

Packaging Type
Available Formats
  • Block
  • Sheet
  • Roll
Special Characteristics

Certified EN 45545, Yellow card UL 94 HF1