Acid Red 337
Acidic red FRL

Hangzhou Tianya Industry Co., Ltd. is an enterprise dedicated to the research, development, production and sale of fine chemical products, mainly specializing in the manufacture of acid dyes and dye intermediates. As one of the major Acid Red 337 Factory and Acid Red 337 Suppliers of acidic anthraquinone dyes in China, Tianya has always adhered to the concept of innovative development, constantly innovating and paying attention to standardized production and quality control of products. Our products are mainly exported to Japan, Spain, Italy, the United Kingdom, South Korea, the Netherlands, Thailand, Mexico and dozens of other countries. In addition, Tianya has established cooperative relations with internationally renowned chemical companies, including the top 100 chemical companies in the world. Tianya has become an important supplier to these companies in the field of acid dyes in China.

Dye Name	Color Card	Light (Xenon)	Solubility（90℃g/L)	Dyeing Depth	Water	Washing （50°C） ISO 105 C10	Perspiration （ALkali） ISO 105 E04	Rubbing ISO 105 X12		Hot Pressing	Chlorination water
				o.w.f%	Ch  Pa  Co	Ch  Pa  Co	Ch  Pa  Co	Dry Rub	Wet Rub	(180°)	50mg/L
Acid Red 337		5-6		1	4-5 3-4 4-5	3     2-3     3-4	4-5     3     4	5	5	4-5	4-5