| Fir Type for Acid dyes | Firat series | Fir three-primary color series | Firsol Type for Reactive dyes for wool | Direct dyes |
| Fir three-primary color series | |||||||||||||||||
| Product name | Sample of dyed fabrics | Sunlight | Soaping (50°C) | Water immerse | Acid sweat | Alkaline sweat | Rub | ||||||||||
| Color change | Nylon stain | Cotton stain | Color change | Nylon stain | Cotton stain | Color change | Nylon stain | Cotton stain | Color change | Nylon stain | Cotton stain | dry | wet | ||||
| Fir light color E series | |||||||||||||||||
| Acid red E-1 | 5 | 3 | 2-3 | 3 | 4-5 | 2-3 | 3-4 | 4-5 | 2-3 | 3-4 | 4 | 2 | 3 | 4-5 | 4 | ||
| Acid Yellow E-1 | 6-7 | 2-3 | 4-5 | 3-4 | 4 | 2 | 3-4 | 4 | 2-3 | 3-4 | 4 | 2-3 | 2-3 | 4-5 | 4 | ||
| Acid blue E-1 | 6-7 | 2-3 | 2 | 3-4 | 4-5 | 1-2 | 3-4 | 4-5 | 2 | 4 | 4-5 | 1-2 | 3 | 4-5 | 4-5 | ||
| Fir medium color M series | |||||||||||||||||
| Acid red M-1 | 5-6 | 4 | 3-4 | 4 | 4-5 | 3 | 4-5 | 4-5 | 3-4 | 4-5 | 4-5 | 2-3 | 4 | 4-5 | 4 | ||
| Acid Yellow M-1 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 2-3 | 3-4 | 4-5 | 2 | 3-4 | 4-5 | 2-3 | 2-3 | 4 | 4 | ||
| Acid blue M-1 | 6 | 4 | 4 | 4-5 | 4-5 | 3-4 | 4-5 | 4-5 | 3-4 | 4-5 | 4-5 | 3 | 4 | 4-5 | 4-5 | ||
| Fir deep color S series | |||||||||||||||||
| Acid red S-1 | 6 | 4 | 4-5 | 4-5 | 4-5 | 4 | 4-5 | 4-5 | 4 | 4-5 | 4-5 | 3 | 4 | 4-5 | 4 | ||
| Acid red S-2 | 6-7 | 4 | 4 | - | - | - | - | - | - | - | 5 | - | - | 4-5 | 4-5 | ||
| Acid Yellow S-1 | 7 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4 | 4-5 | 4-5 | 4-5 | 4-5 | ||
| Acid blue S-1 | 6 | 4 | 4-5 | - | - | - | - | - | - | - | 4-5 | - | - | 4 | - | ||
| Acid black S-1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Note: reference only | |||||||||||||||||