This British Standard specifies requirements for the materials and performance of a water-resistant, two pack pretreatment etch primer for aerospace applications, including specific reference to the use of two Chromium (VI) substances (see 4.1.2).

The pretreatment etch primer is for use on metallic substrates to provide adhesion for an anti-corrosive primer and finishing scheme.

Cross References:
BS 282; 389:1963
BS L 163:1978
BS 3900-D5:1995
BS 3900: Group E
BS 3900: Group G5:1993
BS X 33
BS 3900: Group G
BS EN ISO 2431
BS 3900: Part A2:1993
DEF STAN 79-15
BS EN ISO 1520
BS EN ISO 7253
BS EN 3665
BS X 34
BS 2015
BS EN ISO 3696
BS EN 2334
BS 3900: Group D
BS EN 605
BS 3900: Part E6:1992
Environmental Protection Act 1990
BS 3900: Part D1:1978
BS EN 23270
BS EN 29117
BS EN 21512
BS 3900: Group A
BS EN ISO 1513
BS 3900: Part H2
BS 3900: Group H
BS 3900: Part H5
BS 3900: Part H4


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