Blocking test for chlorinated polyethylene

Measuring and testing – Hardness – By penetrator or indentor

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73 85, 73821, G01N 348

Patent

active

044124481

ABSTRACT:
A method is provided for measuring the tendency to and degree which a synthetic resinous particulate solid will block or agglomerate. The method comprises the steps of (a) forming a cake of a synthetic resinous particulate solid by compressing the particulate solid between substantially parallel surfaces at an elevated temperature, and (b) measuring the force required to break the cake by an elongated triangular-shaped wedge which is forced into the cake at a constant rate of speed.

REFERENCES:
patent: 2222470 (1940-11-01), Barnes
Williams, J. C. et al., The Direct Measurement . . . Powder, From Powder Technology (Switzerland), vol. 4, No. 6, Sep. '71, pp. 328-337.

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