Materials, dimensions, marking and packaging of gaskets for use with flat face and raised face flanges to BS 1560-3.1.Cross References:BS 1449:Part 2BS 1560:Section 3.1BS 1560:Section 3.2BS 1560:Section 3.3BS 4504:Section 3.1BS 4865:Part 2BS 7076:Part 1BS 7076:Part 2BS 7076:Part 3BS 7076:Part 4Health and Safety at Work etc. Act 1974Consumer Safety Act 1978Asbestos Products (Safety) Regulations 1985Asbestos (Prohibitions) Regulations 1985Control of Asbestos at Work Regulations 1987