Reactive Dyes Manufacturer · COTFIX®

About Nuchem

Three generations of colour,
one uncompromising standard.

Nuchem Dyestuffs (P) Ltd. supplies high-quality reactive dyes under the COTFIX® brand to domestic and international markets — serving dye houses, process units, and washing units working with cotton and cellulosic fibres.

With in-house intermediate manufacturing across two state-of-the-art Gujarat facilities, we control quality and cost from raw material to finished dye — which is how we deliver certified, consistent colour at competitive prices.

We are a Star Export House serving markets across Asia, Europe, Africa and the Americas, and we actively partner with agents and distributors in key textile clusters worldwide.

1960s

Founded by the late Sh. Kishori Lall Goyal as Kishori Lal Rangwala, supplying reactive dyes and textile auxiliaries to the dyeing industry in Ludhiana.

1996

First reactive dyes manufacturing unit established in Ahmedabad to serve growing industry demand.

2017

Production capacity expanded to 500 MT/month with a state-of-the-art plant at Sayakha, Bharuch, Gujarat.

Today

A fully certified, sustainability-first manufacturer redefining its legacy through youthful innovation.

Unit 1 — Sayakha, Bharuch

State-of-the-art plant · in-house intermediates

Sayakha Industrial Estate — main production complex

Main plant

Production blocks

Process infrastructure

Unit 2 — Vatva, Ahmedabad

GIDC Vatva · Phase II

Vatva production unit — GIDC Phase II, Ahmedabad

The product range

Eight series. Every cellulosic
dyeing & printing need covered.

VS Series ME Bifunctional HE Series RGB Series D Series (Dark)RR Series Blacks H/P Printing

VS Series

Vinyl sulphone

Sulphoethyl sulphone based reactive dyes with vinyl sulphone as the reactive group, forming covalent bonds with the hydroxyl group of cellulose.

Better solubility & alkali stability
Excellent fastness
Exhaust · CPB · continuous · printing
Warm dyeing process
Wide blacks & navy range
Large dischargeable selection

Dye	Solubility gpl 30°C	Rubbing Fastness (Dry)	Rubbing Fastness (Wet)	Light Fastness 1/1 S/D	Washing Fastness (Shade)	Washing Fastness (Cotton)	Dischargeability
Cotfix Golden Yellow R	100	4	3-4	4	4-5	4	D
Cotfix Orange 2R	80	4	3-4	4	4-5	4	D
Cotfix Orange 3R	80	4	3-4	4	4	4	D
Cotfix Red 5B	100	4	3-4	4	4	4	D
Cotfix Deep Red DB	100	4	3-4	4-5	4-5	4	D
Cotfix Turquoise Blue G 266%	80	4	3-4	4	3-4	3	ND
Cotfix Blue BB 133%	100	4	3-4	4	4	3-4	D
Cotfix Brilliant Blue R SPL	90	4	3-4	4-5	4-5	4	ND
Cotfix Black B 133%	100	4	3-4	4	4-5	3-4	D
Cotfix Black B H/C	100	4	3-4	4	4-5	3-4	D

D — Dischargeable · PD — Partially dischargeable · ND — Not dischargeable. Ratings on standard grey scales.

ME Bifunctional Series

VS-MCT bifunctional

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

Dye	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

HE Series

High exhaust · 80–95°C

Bis-monochlorotriazine dyes designed for high fixation by exhaust dyeing at 80–95°C. Complex structures tailored to maximise interaction with cellulose fibres.

High exhaustion & fixation efficiency
Better build-up behaviour
Excellent reproducibility & shade consistency
Yarn & fabric dyeing

Dye	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 HE4G	50	4-5	3-4	4-5	4-5	4	D
Cotfix Yellow HE6G	80	4-5	3-4	4-5	4-5	4	D
Cotfix G. Yellow HE4R	80	4-5	3-4	5	4-5	4	D
Cotfix Orange HER	80	4-5	3-4	3-4	4-5	4	PD
Cotfix Orange HE2R	80	4-5	3-4	3-4	4-5	4	PD
Cotfix Red HE3B	80	4	3-4	5	4-5	4	ND
Cotfix Red HE7B	100	4	3-4	4-5	4-5	4	ND
Cotfix Red HE8B	100	4	3-4	4-5	4-5	4	ND
Cotfix Navy Blue HER	100	4-5	3-4	4	4-5	4	ND
Cotfix Navy Blue HE2R	80	4	3-4	4	4-5	4	ND
Cotfix Blue HERD	100	4-5	3-4	6	4-5	4	ND
Cotfix Blue HEGN 125%	60	4-5	3-4	4-5	4-5	4	ND

RGB Series

One-tone build-up

High-performance dyes exhibiting one-tone build-up, suitable for warm dyeing and padding application.

Higher strength, good build-up
Better probability of metameric matches
Exhaust · CPB · continuous

Dye	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 RGB	100	4-5	3-4	5	4-5	4-5	PD
Cotfix Red RGB	100	4	3-4	4	4-5	4	ND
Cotfix Blue RGB	100	4-5	3-4	4	4-5	4-5	D
Cotfix Navy Blue RGB	100	4-5	3-4	4	4-5	4-5	D

D Series

Dark series · deep shades

Developed for excellent washing and rubbing fastness in deep shades not achievable with other reactive dye classes. Where 10%+ of other reactive groups would be needed, the same colour depth is achieved with just 3–4% using COTFIX D.

Dye	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 D	100	4-5	3-4	4-5	4-5	4	D
Cotfix Orange D	100	4	3-4	3-4	3-4	3-4	D
Cotfix Red D	100	4	3-4	4-5	4-5	4	D
Cotfix Blue D	100	4-5	3-4	4-5	4-5	4	D

RR Series

Light & medium shades

Selected and chemically modified special dyestuffs for very light and medium shades with good all-round fastness properties.

Dye	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 RR	100	4-5	3-4	4-5	4-5	4-5	PD
Cotfix Red RR	100	4	3-4	4	4	4-5	ND
Cotfix Blue RR	100	4-5	3-4	4-5	4-5	4-5	D

Blacks

Reactive Black 5 family

Built on Reactive Black 5 (COTFIX Black B) — branded into different blacks under different tones and depths to match market requirements. Black B is the primary vinyl sulphone black with good compatibility and dischargeability; Black WNN produces neutral-toning black; Black PN is a monochlorotriazine dyestuff suited for printing due to high alkali stability.

Dye	Solubility gpl 30°C	Rubbing Fastness (Dry)	Rubbing Fastness (Wet)	Light Fastness 1/1 S/D	Washing Fastness (Shade)	Washing Fastness (Cotton)	Dischargeability
Cotfix Black WNN	100	4	4	4	4	3-4	D
Cotfix Black 2R	100	4	3-4	4	4	3-4	D
Cotfix Black 2N	100	4	3-4	4	4	3-4	D
Cotfix Black WNN H/C	100	4	3-4	4	4	3-4	D
Cotfix Super Black G	100	4	3-4	4	4	3-4	PD
Cotfix Super Black R	100	4	3-4	4	4	3-4	PD

H/P Printing Series

Monochlorotriazine · printing

Monochlorotriazine dyestuffs with high alkali stability, suited to prolonged printing and steaming process times. The most robust dyes in terms of stability — high substantivity, high alkali stability, low reactive character.

Vibrant dark prints
Mixable with VS dyes
All-round fastness

Dye	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 P6G	100	4-5	3-4	4-5	4-5	4	D
Cotfix G. Yellow P3R	80	4-5	3-4	4-5	4-5	4	D
Cotfix Orange P2R	150	4-5	3-4	4	4-5	4	PD
Cotfix Red PB	100	4	3-4	4	4	3-4	ND
Cotfix Red P2B	100	4	3-4	4	4	3-4	ND
Cotfix Red P8B	80	4	3-4	4	4	3-4	ND
Cotfix Turquoise Blue G 266%	80	4	3-4	4-5	4	3	ND
Cotfix Blue P3R	100	4-5	3-4	4-5	4-5	4	ND
Cotfix Blue P3RD	100	4-5	3-4	4-5	4-5	4	ND
Cotfix Navy Blue P2R	100	4-5	3-4	4	4-5	4	ND
Cotfix Black PNR	80	4-5	3-4	4	4-5	4	ND
Cotfix Black PN	80	4-5	3-4	4	4-5	4	ND

Custom shade development

Precision and consistency in achieving your desired shades using our dyestuffs — our in-house expertise.

Request a shade match

Sustainability

"Sustainability is not just a goal —
it's the foundation of everything we do."

We are deeply committed to environmental responsibility at every stage of manufacturing. Our advanced wastewater treatment achieves Zero Liquid Discharge (ZLD) — no liquid waste is released into the environment.

MVR + ATFD

Mechanical Vapor Recompression + Agitated Thin Film Dryer — 53 KLPD water evaporation capacity

Two-Stage R/O Plant

Reverse osmosis water recovery ahead of evaporation

All our products are environmentally safe and fully compliant with leading global ecological standards — certified, not just claimed.

MVR and ATFD plant - Zero Liquid Discharge system

MVR + ATFD plant — the heart of our Zero Liquid Discharge system

Green belt at Sayakha

Two-stage R/O system

Quality control

Every lot tested. Every shade traceable.

Three-point quality check

Every dye manufactured undergoes a rigorous three-point quality check system before delivery.

Four QC laboratories

QC labs at the Ahmedabad head office, Ludhiana regional office, and both Sayakha and Vatva factories.

∞

Full lot traceability

A comprehensive database of all production lots ensures traceability and consistent delivery, lot after lot.

Inside our laboratories

Four QC labs · every lot tested before dispatch

QC Laboratory — Sayakha plant

QC Laboratory — Vatva plant

Main Laboratory — Ahmedabad HO

Regional Laboratory — Ludhiana

Certifications & compliance

Certified, audited, verifiable —
your compliance gate-pass.

If your buyers demand certified inputs, COTFIX® clears the gate. Every certificate below is current, third-party issued, and verifiable by number.

GOTS — Global Organic Textile Standard v7.0

APPROVED

Letter of Approval N° GOTS-C 810113-01-2024 (Control Union). 24 COTFIX colourants approved as inputs for GOTS-certified textile processing. Site audited for product stewardship, environment, health & safety.

$OEKO-TEX ECO PASSPORT certification mark$

OEKO-TEX® ECO PASSPORT

CERTIFIED

Certificate 21.0.64039 (Hohenstein), category 2.6 Reactive dyes — 55 COTFIX products certified. Includes RSL screening against STANDARD 100, STeP MRSL, LEATHER STANDARD and REACH SVHC.

ZDHC MRSL v3.1 — Conformance Level 3

LEVEL 3 · HIGHEST

Letter of Conformance ZDHC-C 810113-01.2024 (Control Union SAVE programme) — the highest ZDHC conformance tier, covering 24 colourants. Products published on the ZDHC Gateway (ID A854AG52).

REACH / SVHC Declaration

DECLARED

No banned chemicals, APEO/NPEO, or SVHC candidate-list substances used or intentionally added. Products are non-hazardous, non-flammable and eco-friendly.

ZDHC Gateway ChemCheck published RSL screening report on file Star Export House Certificate copies available on request

Where we work

Serving textile clusters,
at home and worldwide.

India — facilities & textile clusters

Nuchem — offices, plants & labs Domestic textile clusters served

Worldwide — export footprint

India — home & manufacturing Export & partner markets

Domestic clusters

Surat · Tirupur · Panipat · Jetpur · Pali-Balotra · Jaipur · Delhi · Kolkata · Ludhiana

Export markets

Bangladesh · Turkey · Indonesia · Thailand · Vietnam · Sri Lanka · Egypt · Uzbekistan · Europe · North & South America

Agents, distributors & dealers — partner with us

We're actively seeking established partners in domestic clusters and across Indonesia, Thailand, Vietnam, Turkey, Sri Lanka, South America and Europe.

Become a partner

Get in touch

Let's colour your
vision together.

Request a quote, a sample, a shade match, or our full shade card — or start a partnership conversation. We respond quickly.

shravan@nuchemdyestuffs.com
info@nuchemdyestuffs.com

Phone

+91 98728 00519

Head office

507-515 Suncor Plaza, Jashoda Nagar, CTM, Ahmedabad, Gujarat 382445

Manufacturing

Plot C-284/285/299/300, Sayakha Industrial Estate, Bharuch, Gujarat 392140
Plot 6, Phase II, GIDC Vatva, Ahmedabad 382445

Regional office

259, Industrial Area-A, Ludhiana, Punjab 141003

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Three generations of colour,one uncompromising standard.