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Indentation Hardness Tester For Polyurethane Foam

Indentation Hardness Tester For Polyurethane Foam

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  • The feel of softness of any flexible foam is quantitatively defined by its indentation hardness. Indentation hardness of foam is determined by pressing a circular indentor at a specified speed against a block of foam and finding the force needed to compress it to a specified percentage of its initial thickness.


  • The
       Indentation Hardness Tester For Polyurethane Foam consists of a circular indentor which can be pressed against the foam block under test, a motorized arrangement to move the indentor up or down, and a load measuring and indicating arrangement to indicate the load being exerted by the indentor on the foam block at any instant. 

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  • JIS K 6400 – 1997 : Test Methods for Flexible Polyurethane Foam


    Clause 6 : Hardness.