SS-EN-ISO-844 › Rigid cellular plastics - Determination of compression properties (ISO 844:2014)
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This International Standard specifies a method of determining:a) the compressive strength and corresponding relative deformation,orb) the compressive stress at 10 % relative deformation,andc) 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.NOTE Compressive strength (at maximum load) can be determined either with Procedure A and B.
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SS-EN ISO 844:2014
Aug. 10, 2014
EN ISO 844:2014(IDT); ISO 844:2014(IDT)