Norm

NEN-ISO 7743:2008 en

Gevulcaniseerde of thermoplastische rubber - Bepaling van compressie trek- en rekeigenschappen

  • Deze norm is ingetrokken sinds 18-11-2011

79,70

Over deze norm

Status Ingetrokken
Aantal pagina's 14
Commissie Rubber
Gepubliceerd op 01-06-2008
Taal Engels
This International Standard specifies methods for the determination of the compression stress-strain properties of vulcanized or thermoplastic rubber using a standard test piece, a product or a part of a product. Three methods are given: - using a standard test piece with the metal plates lubricated (method A);- using a standard test piece with the metal plates bonded to the test piece (method B);- using a product or a part of a product with the metal plates lubricated (method C). The three methods do not give the same results. With lubricated test pieces, the results are dependent only on the modulus of the rubber and are independent of the test piece shape, provided that complete slip conditions are achieved. Effective lubrication is sometimes difficult to achieve, however, and it is prudent to inspect the variance in the test results from replicate test pieces for indications of erratic slip conditions. With bonded test pieces, the results are dependent on both the modulus of the rubber and the test piece shape. The dependence on test piece shape is strong and consequently the results will be markedly different from those obtained with lubricated test pieces. For products, the result is dependent on the shape, but as tests on products are mainly comparative this is acceptable.

Details

ICS-code 83.060
Nederlandse titel Gevulcaniseerde of thermoplastische rubber - Bepaling van compressie trek- en rekeigenschappen
Engelse titel Rubber, vulcanized or thermoplastic - Determination of compression stress-strain properties
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