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Precision Polymer Engineering R70Z Natural Rubber

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer Precision Polymer Engineering Limited
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Precision Polymer Engineering R70Z Natural Rubber.pdf
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Material Notes:
Natural Rubber, 65-75 °IRHD. Formulated to meet BS1154 Grade Z70. In accordance with BS1154 this material is based on high-quality plantation (Hevea) rubber, reinforced with carbon black.Applications: Natural rubber offers low compression set, high tensile strength, high resilience and excellent resistance to tear and abrasion.
Mechanical Properties Metric English Comments
Hardness, Shore A 70
70
°IRHD; ASTM D1415
70 - 72
70 - 72
°IRHD, -0/+2 change after 168 hours @ 70°C; ASTM D1415
Tensile Strength, Yield 19.0 MPa
2760 psi
ASTM D412
20.52 MPa
2976 psi
8% change after 168 hours @ 70°C; ASTM D412
Elongation at Break 410.31 %
410.31 %
-3% change after 168 hours @ 70°C; ASTM D412
423 %
423 %
ASTM D412
Compression Set 22 %
22 %
24 hours @ 70°C; ASTM D395
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 100 °C
212 °F
Minimum Service Temperature, Air -50.0 °C
-58.0 °F
-40.0 °C
-40.0 °F
Non-brittle after 3 minutes
Flash Point >= 300 °C
>= 572 °F
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