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1. Property

Appearance	Light Brown Powder
Compose	Naphthalene Sulfonate formaldehyde condensate
Ion type	Negative ion
Solubility	Easy dissolve in water

2. The main technical standard

Item	Standard	Result
pH(1% aqueous solution)	7.0-9.0	7.17
Dispersion(%)	≥100	106
Sodium sulfate content(%)	≤5.0	4.83
Water content(%)	≤9	8.25
Content %(Ca+ Mg+)	≤0.15	0.11
Free formaldehyde content(mg/kg)	≤200	<200
Insoluble matter(%)	≤0.10	<0.10
Fineness(30μm Sieve)%	≤5	<5

3. Performance and use

This product is Brown Madder Powder, an anionic surfactant. It is soluble in water, acid, alkali and hard water, good dispersion properties. With protein and polyamide fibers have affinity.
Mainly used to coloring for vat dyes, reactive dyes, acid dyes, acid staining pad or pigment pad dyeing of the dispersing agent, as a auxiliaries for vat dyes powder.
Can also be used for leather tanning, textile printing and dyeing, pesticides, architecture, ceramics, rubber, paper, oil drilling.