Direct Red 28 | 573-58-0
International Equivalents:
| Congo Red K | S NO 360 |
| Congo Ared 4b | Congo Red |
| C.I. 22120 | CONGO RED (CERT) |
Product physical properties:
| Product Name |
Direct Red 28 |
|
| Specification |
Value |
|
| Appearance |
Brown Red Powder |
|
| Density |
0.995 g/mL at 25 °C |
|
| vapor pressure |
<1 Pa |
|
| pka |
4.1(at 25℃) |
|
| Water Solubility |
soluble |
|
| Test Method |
AATCC |
ISO |
| Acid Resistance |
1 |
1 |
| Alkali Resistance |
3 |
3 |
| Ironing |
3 |
3 |
| Light |
2 |
1 |
| Soaping |
1 |
2 |
| Water Resistance |
3 |
2 |
Application:
Direct red 28 is used in textile, paper, ink, leather, spices, feed, anodized aluminum and other industries.
Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Execution Standards: International Standard.


