Reactive H Dyes

Product Details:

Shape Crystalline powder
Density 1.3 Gram per cubic centimeter(g/cm3)
Grade Industrial Grade
Other Names Reactive Dyes â H Series
Application Used for dyeing cellulosic fibers like cotton, viscose, wool, silk
Purity >98%
Solubility Soluble in water
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Reactive H Dyes Product Specifications

Resistance Good fastness to washing and light
Poisonous Non-poisonous
Melting Point Decomposes
Solubility Soluble in water
Shelf Life 2 Years
Shape Crystalline powder
Type Reactive Dye
Physical Form Powder
Purity >98%
Application Used for dyeing cellulosic fibers like cotton, viscose, wool, silk
Usage Textile dyeing and printing
CAS No Various, depends on specific dye (commonly 12225-50-4 for Reactive Yellow H4GL)
Other Names Reactive Dyes â H Series
Grade Industrial Grade
Density 1.3 Gram per cubic centimeter(g/cm3)
Size 25/50 kg HDPE bags
Molecular Formula C35H25ClN7Na2O10S3 (example)
Rubbing Resistance Good to very good
Taste Odorless
Solvent Color Yellow/Red/Blue (depends on the dye)
Boiling point Not applicable (decomposes)
HS Code 32041600
Ph Level 6â8 (1% aqueous solution)
Smell No discernible smell
Strength High tinctorial strength
Moisture (%) <1%
Structural Formula Available on request
Water Resistance Excellent
EINECS No 235-424-6

Colour Index Numbers Varies for each color (see C.I. database)
Heat Stability Up to 140°C
Dispersibility Excellent
Packaging Available in customized packaging as per requirement
Release State Immediate within 7–10 working days
Compatibility Compatible with other anionic dyes
Particle Size Fine powder (25-150 micron)
Storage Conditions Cool, dry place away from sunlight
Eco-Friendly Low heavy metal content, conforms to OEKO-TEX standards

Reactive H Dyes Trade Information

Main Export Market(s) Asia

Product Description

Being a well-distinguished business entity, we are actively indulged in bringing forth a comprehensive line ofReactive H Dyes. These types of dyes are less substantive / reactive, due to which, most commonly applied by constant method except turquoise blues. Such kinds of dyes are applied at a higher temperature ranging from 80-90^oC. Moreover, they have better fastness as compared to M brand dyes. Free from adulteration, and long shelf life,Reactive H Dyescan be bought in desired hues with first-rate packaging options.

Product Specification :

Direct Dyes (Non Benzidine)	Solubility at 50^oC (gms/lit)	Fastness to
Direct Dyes (Non Benzidine)	Solubility at 50^oC (gms/lit)	Light 1/1	Washing	Hypochlorite	Perspiration
Lemon Yellow H4G Yellow 18	80	6	5	1	5
Golden Yellow HR Orange 12	80	6	5	3	5
Orange H2R Orange 13	80	4	4-5	4	4-5
Red 6BX Red 76	80	4-5	4-5	2-3	4
Red H8B Red 31	90	4-5	4	3-4	4-5
Magenta HB	70	4	4	1	4-5
Purple H3R Violet 1	60	6-7	4-5	4	5
Turquoise Blue H5G Blue 35	40	6	3-4	3-4	5
Turquoise Blue HA Blue 71	60	6	3-4	3-4	5
Blue RX Blue 59	70	6	4-5	1	4
Blue 5RH Blue 13	80	6	4-5	1	4-5
Red Brown H4R Brown 9	70	4-5	4-5	1	5
Black HN Black 8	100	6-7	4-5	1	5

Superior Performance with Cellulosic Fibers

Reactive H Dyes provide vibrant and uniform coloration to natural fibers such as cotton, viscose, wool, and silk. Their excellent solubility and dispersibility ensure even penetration and high color yield, making them ideal for textile dyeing and printing processes where consistency and depth of tone are essential.

Eco-Friendly and Safe for Fabrics

These dyes are designed to meet international safety standards, including OEKO-TEX specifications. With minimal heavy metal content and being non-poisonous, Reactive H Dyes offer an environmentally responsible solution for textile applications without compromising on performance or user safety.

FAQs of Reactive H Dyes:

Q: How are Reactive H Dyes used in the textile industry?

A: Reactive H Dyes are commonly used for dyeing and printing cellulosic fibers such as cotton, viscose, wool, and silk. They are applied through standard exhaustion or printing processes, where their reactive groups form strong covalent bonds with fiber molecules, ensuring vivid, wash-fast colors.

Q: What are the storage and packaging guidelines for Reactive H Dyes?

A: Store Reactive H Dyes in a cool, dry place away from direct sunlight to maintain their purity and effectiveness. They are supplied in HDPE bags of 25 or 50 kg, with customized packaging options available to suit specific requirements.

Q: When can I expect delivery after placing an order?

A: Once an order is confirmed, Reactive H Dyes are typically released and shipped within 7 to 10 working days, ensuring prompt availability for urgent production schedules.

Q: Where are Reactive H Dyes most effectively used?

A: These dyes deliver optimal results when used for dyeing or printing on natural cellulosic fibers, particularly cotton, viscose, wool, and silk, making them suitable for apparel, home textiles, and industrial fabrics.

Q: What benefits do Reactive H Dyes offer compared to other dyes?

A: Reactive H Dyes provide superior wash and light fastness, excellent color brilliance, and high tinctorial strength. Their compatibility with other anionic dyes and eco-friendly formulation further add to their advantages in modern textile processing.

Q: How does the physical form and composition of Reactive H Dyes affect the dyeing process?

A: Available as fine, odorless, crystalline powders with particle sizes between 25 and 150 microns, their excellent solubility and dispersibility enable easy handling and efficient mixing in aqueous solutions, leading to uniform color application and minimal residue.

Other Products in 'Reactive Dyes' category

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