ME Bifunctional Series
VS-MCT bifunctionalTwo reactive groups on a single molecule — vinyl sulphone and monochlorotriazine. That pairing gives lower-temperature, high-exhaustion dyeing across a broad shade gamut, with the build-up needed for deeper shades and the reproducibility repeat orders depend on.
Shades and fastness data
7 shades, with solubility, rubbing, light and washing fastness measured on standard grey scales.
| Dye | Shade 2% | Solubility gpl 30°C | Rubbing Fastness (Dry) | Rubbing Fastness (Wet) | Light Fastness 1/1 S/D | Washing Fastness (Shade) | Washing Fastness (Cotton) | Dischargeability |
|---|---|---|---|---|---|---|---|---|
| Cotfix Yellow ME4GL 200% | 100 | 4-5 | 3-4 | 5 | 4-5 | 4 | D | |
| Cotfix Yellow MERL 200% | 100 | 4-5 | 3-4 | 5 | 4-5 | 4 | PD | |
| Cotfix Orange ME2RL 200% | 65 | 4 | 3-4 | 4 | 4-5 | 4 | ND | |
| Cotfix Red ME4BL 200% | 100 | 4 | 3-4 | 4 | 4 | 3 | ND | |
| Cotfix Red BS | 60 | 4 | 3-4 | 4 | 4 | 4 | ND | |
| Cotfix Brilliant Blue FNG | 100 | 4-5 | 3-4 | 6 | 4-5 | 4-5 | ND | |
| Cotfix Sky Blue G | 100 | 4-5 | 3-4 | 6 | 4-5 | 4 | ND |
D — Dischargeable · PD — Partially dischargeable · ND — Not dischargeable. Ratings on standard grey scales.
Characteristics
Lower-temperature, high-exhaustion reactive dyes with VS-MCT bifunctional reactive groups. Suitable for exhaust, cold pad batch and continuous applications.
- Broad shade gamut
- Good build-up for deeper shades
- Good wash fastness & reproducibility
- Mixes with VS dyes for vibrant shades
ME dyes mix with the VS series for vibrant shades. Manufactured at Unit 1, Sayakha (Bharuch) and Unit 2, Vatva (Ahmedabad), with in-house laboratories at both sites. Every lot is tested before dispatch and every shade is traceable, which is what makes the figures above dependable rather than indicative.
How consistency is held, lot after lot
Fastness figures are only worth as much as the reproducibility behind them. Three controls sit behind every drum dispatched.
Every dye manufactured undergoes a rigorous three-point quality check system before delivery.
QC labs at the Ahmedabad head office, Ludhiana regional office, and both the Sayakha and Vatva factories.
A comprehensive database of all production lots ensures traceability and consistent delivery, lot after lot.
Made under Zero Liquid Discharge
Advanced wastewater treatment achieves Zero Liquid Discharge — no liquid waste is released into the environment. Mechanical Vapour Recompression and an Agitated Thin Film Dryer give 53 KLPD of water evaporation capacity, with a two-stage reverse osmosis plant recovering water ahead of evaporation.
That matters commercially as well as environmentally. Brands auditing their supply chain increasingly ask what happens to the effluent, and ZLD is the answer that closes the question before it becomes a purchasing obstacle.
Need a sample or a shade match?
Send the shade, substrate and process and we will dispatch a lab sample.
Request a sample VS Series — vinyl sulphone