China Direct Dyes Manufacturers, Suppliers and Factory - Good Price Direct Dyes

Direct Dyes

Direct dyes are the simplest way to color cellulosic fibers. Dissolve them in water, add salt, raise the temperature — and you're dyeing. No complex reduction chemistry like vat dyes, no precise alkali control like reactive dyes, no expensive auxiliaries. This simplicity makes direct dyes the most cost-effective option for cotton, rayon, viscose, and linen dyeing where extreme wash fastness is not required.

Direct Yellow 86
PRODUCT NAME: Direct Yellow 86. TYPE: Direct Dyes. CAS NO: 50925-42-3/102969-56-2. MOQ: 25KG. PACKAGE: Carton.
Direct Brown 210
PRODUCT NAME: Direct Brown 210. TYPE: Direct Dyes. CAS NO: 73507-19-4/12222-29-6. MOQ: 25KG. PACKAGE: Carton.
Direct Blue 201
PRODUCT NAME: Direct Blue 201. TYPE: Direct Dyes. CAS NO: 86437-47-0/60800-55-7. MOQ: 25KG. PACKAGE: Carton.

Advantage

1. Lowest Total Dyeing Cost

2. Simplest Application,Lowest Operational Complexity

3. Surprisingly Good Light Fastness

4. Superior Affinity for Regenerated Cellulose Fibers

5. Shortest Dyeing Cycle,Higher Equipment Utilization

6. Lower Environmental Footprint

7. Versatile Across Substrates

Shade Card

Direct Dyes
Color	C.I.Name	CAS NO.
	Direct Yellow 27	10190-68-8
	Direct Yellow 50	25738-24-3
	Direct Yellow 86	50925-42-3
	Direct Yellow 142	71902-08-4
	Direct Yellow 157	72705-26-1
	Direct Orange 26	3626-36-6
	Direct Orange 34	12222-37-6
	Direct Orange 39	1325-54-8
	Direct Red 23	3441-14-3
	Direct Red 31	5001-72-9
	Direct Red 80	2610-10-8
	Direct Red 81	2610-11-9
	Direct Red 239	28706-25-4
	Direct Red 227	17791-81-0
	Direct Blue 71	4399-55-7
	Direct Blue 86	1330-38-7
	Direct Blue 151	6449-35-0
	Direct Violet 51	5489-77-0
	Direct Violet 66	6798-03-4
	Direct Black 22	6473-13-8
	Direct Black 80	8003-69-8
	Direct Brown 44	6252-62-6
	Direct Brown 210	73507-19-4

FAQ

Q: What after-treatment should I use to improve direct dye wash fastness?

A: The most common approach is a cationic fixing agent applied at 30-40°C for 15-20 minutes after dyeing and rinsing. This reacts with the anionic dye molecules, increasing their effective size and reducing water solubility. For applications requiring higher fastness, copper sulfate treatment (0.5-2% at 80°C for 30 minutes) improves both wash and light fastness but may cause slight shade change (copper tends to dull and darken shades). Always test on sample fabric first.

Q: Can direct dyes be used for garment dyeing?

A: Yes, direct dyes are well-suited for garment dyeing because of their simple application process. No precise alkali control or complex temperature profiling is needed. However, the wash fastness limitation must be considered — garments that will undergo frequent home laundering may show fading. For garment dyeing where wash durability matters, apply a cationic fixing agent after dyeing. Direct dyes are particularly popular for viscose/rayon garment dyeing due to excellent affinity and bright shades on regenerated fibers.

Q: Can you help us determine if direct dyes are suitable for our production?

A: Absolutely. We provide free application consulting to help you evaluate: (1) Whether your end-use fastness requirements can be met with direct dyes; (2) Which after-treatment (cationic fixative, copper salt, or resin) best matches your needs; (3) Cost savings potential compared to your current dyeing method. Send us your fabric samples and performance requirements — we will test and provide a detailed recommendation with lab-dyed samples for your evaluation.

As one of the most professional direct dyes manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy high-grade direct dyes made in China here from our factory. For price consultation, contact us.

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