Updates the grades available, aligns the test methods with ISO test methods as far as possible and introduces grading by colour fastness.Cross References:BS 2782:Part 1:Method 150BBS 2782:Part 1:Method 151ABS 2782:Part 3:Methods 320A to 320FBS 2782:Part 3:Method 365ABS 2782:Part 4:Methods 465A and 465BBS 2782:Part 5:Method 540ABS 2782:Part 5:Method 540BBS 2782:Part 5:Method 542ABS 6746