Items: Naphthol AS-D
Appearance: Beige brown powder
Color shade(with standard):similar
Insoluble in Alkali:≤0.5%
BON acid content:≤0.2%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Usage: This product is mainly used as organic pigment intermediate,.It can produce pigment red 12, 13, 14, 17, 19, 95, 112, 136, 148, 267. This product can also be used for dyeing cotton yarn, cotton fabric, vinylon, silk and viscose, acetate fiber, direct printing.It can also be used for cotton dyeing printing and printing, intermediates can be used as a fast pigment. The affinity of cotton is low and the coupling ability is moderate.
Since 2001, Qingdao Longyuntong Corporation has developed to be a leading manufacturer of Azoic Dyes (Naphthol AS series and Bases) with annual output over 8000 MTs. It is the qualified supplier for global pigment manufacturers. It is also a main supplier of other pigment-related intermediates such as Acetoacet Anilide and Phenyl Methyl Pyrazolone series from China.
It devotes itself in supplying Basic Dyes, Disperse Dyes, Solvent Dyes, Vat Dyes, etc. to textile powers. The product range could be expanded for Leather, Paper and other non-textile applications.
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