BS 3900-E2:1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods of test for paints. Methods of test for paints Scratch test
Hardcopy , PDF
06-15-1992
English
02-15-1970
Provides a test procedure for determining under standard conditions the resistance of a single coating or a multicoat system of paint, varnish or related product to penetration by scratching with a needle. May be carried out either as a 'go/no go' test, by testing with a single specified load applied to the needle to assess compliance with a particular requirement; or by applying increasing loads to the needle to determine the minimum load the coating is fully penetrated to the substrate.
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