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Norm

ISO 844:2014

Issue date: 2014 07 21

Rigid cellular plastics — Determination of compression properties

ISO 844:2014 specifies a method of determining a) the compressive strength and corresponding relative deformation, or b) the compressive stress at 10 % relative deformati...
Withdrawn: 2021 03 31
Publisher:
International Organization for Standardization
Format:
Digital | 10 Pages
Language:
English
Currently valid:

ISO 844:2014 specifies a method of determining a) the compressive strength and corresponding relative deformation, or b) the compressive stress at 10 % relative deformation, and c) when desired, the compressive modulus of rigid cellular plastics.

There are two procedures:

- Procedure A employs crosshead motion for determination of compressive properties. Procedure A is intended to be used when compressive stress at 10 % relative deformation has to be determined.

- Procedure B employs strain measuring devices mounted on the specimen (contact extensometer) or similar device which measures directly sample deformation. Procedure B is intended to be used when compressive modulus has to be determined.

ISO 844:2021
2021 03 31
Rigid cellular plastics — Determination of compression properties
Norm
ISO 844:2014
2014 07 21
Rigid cellular plastics — Determination of compression properties
Norm
ISO 844:2007
2007 04 04
Rigid cellular plastics — Determination of compression properties
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ISO 844:2004
2004 06 10
Rigid cellular plastics — Determination of compression properties
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ISO 844:2001
2001 05 31
Rigid cellular plastics — Determination of compression properties
Norm
ISO 844:1998
1998 05 28
Cellular plastics — Compression test for rigid materials — Specification
Norm
ISO 844:1978
1978 09 01
Cellular plastics — Compression test of rigid materials
Norm
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Norm
ISO 844:2021
Issue date : 2021 03 31
Rigid cellular plastics — Determination of compression properties