Reactive dyes (used for dyeing and printing of cotton fibre):
1. Shade, power and PX-4B were basically the same red, red and yellow than the P-BN Everbright, Force were high.

2. The fastness index and P-BN Red close, especially in the wet rubbing fastness is better, the depth of up to 2-3 5% level(Intertek test value).

3. Solubility up to 180 grams per liter(25 degrees Celsius), a good dye to enhance force.

4. Low affinity, good dye transfer, washing and good, small white stains.

5. Application: Mainly used as the tricolor/three-primary colors mixed colors, brilliant orange and red can be used as the main spell color.

6. Fastness properties: Good light fastness and excellent nalogen bleaching and oxygen bleaching fastness.