In short
Acidic Fixing Agent NR is a nylon / spandex auxiliary from CRYSL (Brown viscous liquid · Nonionic · pH 3.0 · Easily soluble in water). Acidic Fixing Agent NR is a high-concentration, no-acid-adjustment acidic fixing agent for the fixing after-treatment of polyamide/spandex w… Reference dosage 0.5-4%; Acidic Fixing Agent NR is an acid-adjustment-free acidic fixing agent.
Product Properties
| Model | NR |
|---|---|
| Series | Nylon / Spandex Auxiliaries |
| Reference dosage | 0.5-4% |
| Appearance | Brown viscous liquid |
| Ionicity | Nonionic |
| pH | 3.0 |
| Solubility | Easily soluble in water |
| Packaging & storage | Packed in 125 kg blue PE drums or white PE IBC totes; seal and store in a cool, dry place. Shelf life: 6 months. |
Product Description
Acidic Fixing Agent NR is a high-concentration, no-acid-adjustment acidic fixing agent for the fixing after-treatment of polyamide/spandex warp-knitted fabric. It effectively improves the washing, water-spotting, perspiration and water-soaking colour fastness of the fabric, with little effect on handle or hydrophilicity.
Performance & Benefits
- Acidic Fixing Agent NR is an acid-adjustment-free acidic fixing agent. It is used in the fixing after-treatment of polyamide-containing fabrics and substantially improves washing, water-spotting, perspiration and other colour fastness.
Application & Dosage
Dilute Acidic Fixing Agent NR with cold or warm water and pour it into the treatment bath after acidification. Avoid contact with concentrated acid.
Improving wet fastness
| Acidic Fixing Agent NR | 0.5-4% |
|---|---|
| After-treatment | adjust with acetic or formic acid to pH 3.5-4.0, at 75℃ treat for 25-30 min |
Reserving during dyeing
| Acidic Fixing Agent NR | 0.5-4% |
|---|
Improving wet fastness: NR at 0.5-4%. For the after-treatment, adjust the pH to 3.5-4.0 with acetic or formic acid and treat at 75℃ for 25-30 minutes.
Reserving during dyeing: NR at 0.5-4%.
Stripping
| Soda powder | 2 g/L |
|---|---|
| CSB | 1 g/L |
| Treatment conditions | 80-100℃, 20 min |
a) One-bath method: before adding the dyestuff, add Acidic Fixing Agent NR to the dye bath already adjusted to the acid range.
Packaging & Storage
Packed in 125 kg blue PE drums or white PE IBC totes; seal and store in a cool, dry place. Shelf life: 6 months.
Note: the parameters and processes above are reference values. Please run a lab trial based on your equipment, greige specification and customer test standard before bulk production. Technical data is subject to the latest TDS. For the latest TDS / COA or a sample trial, contact +86 186-7586-4963.