Red uniform powder, insoluble in water, alcohol and acetone. It is red fluorescence solution when soluble dimethylbenzene with yellow bright.

Quality standard: HG/T3750--2004

1,Appearance: Red uniform powder

2,Strength, score: 100 as compared to standard

3,Shade: no difference as the standard

4,Fineness (Residue through the service of 250μm),%: ≤ 1.0

5, Fastness of dyes on cotton fabrics:

Dyeing depth %
 
 3.5
 
Resistance Sunlight
 
 5
 
Resistance Washing

with soap at 95°C
 Change
 3-4
 
Stain on cotton
 4
 
Stain On viscose
 4-5
 
Resistance perspiration
 acid
 Change
 4
 
Stain on cotton
 4-5
 
Stain on wool
 4-5
 
alkali
 Chang
 4
 
Stain on cotton
 4-5
 
Stain on wool
 4-5
 
Rubbing
 Dry
 4-5
 
wet
 3-4
 
Ironing at 200 °C
 Change  (after 4hours)
 4
 
Bleaching
 
 4