Detailed Product Description
Direct red 23:
1) CAS no.: 3441-14-3
2) Appearance: red powder
3) Light fastness: 3
4) Acid resistance: 5
5) Alkali resistance: 5
6) Water fastness: 3
7) Wash fastness: 3
8) Used for: cotton, silk, wool, leather, paper
Direct red 28:
1) CAS no.: 573-58-0
2) Appearance: red powder
3) Light fastness: 3
4) Acid resistance: 3-4
5) Alkali resistance: 3-4
6) Water fastness: 2
7) Wash fastness: 2
8) Used for: cotton, silk, paper
Direct red 81:
1) CAS no.: 2610-11-9
2) Appearance: red powder
3) Light fastness: 4-5
4) Acid resistance: 4
5) Alkali resistance: 3-4
6) Water fastness: 2
7) Wash fastness: 2
8) Used for: cotton, paper
Direct red 224:
1) CAS no.: 12222-48-9
2) Appearance: red powder
3) Light fastness: 4
4) Acid resistance: 3-4
5) Alkali resistance: 4-5
6) Water fastness: 4
7) Wash fastness: 4-5
8) Used for: cotton, paper, cellulose
Direct red 227:
1) CAS no.: 12222-51-4
2) Appearance: red powder
3) Light fastness: 4-5
4) Acid resistance: 5
5) Alkali resistance: 3
6) Water fastness: 4
7) Wash fastness: 4-5
8) Used for: cotton, paper, cellulose
Direct red 243:
1) CAS no.: 86543-85-3
2) Appearance: red powder
3) Light fastness: 7
4) Acid resistance: 5
5) Alkali resistance:35
6) Water fastness: 3-4
7) Wash fastness: 4
8) Used for: cotton, paper and cellulose dyeing and printing
