AS/NZS 4257.7:1994 Plastic roof and wall cladding materials - Methods of test - Determination of colourfastness, light transmission and impact resistance following ultraviolet light exposure
1994AS/NZS 4257.7:1994 Plastic roof and wall cladding materials - Methods of test - Determination of colourfastness, light transmission and impact resistance following ultraviolet light exposure