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This test method covers the empirical estimation of the consistency of waxes derived from petroleum by measurement of the extent of penetration of a standard needle. This test method is applicable to waxes having a penetration of not greater than 250.
In the standard method, a penetrometer determines the distance of penetration when applying a specified force over a period of 5 seconds. An alternative method to the standard measures the force of penetration at a defined deformation distance of 5 mm.