Optical Brightener NFW-R for Cotton

Chemical Name: Distyryl-biphenyl derivative

Specification

Appearance: Yellow-greenish granule

Ion: Anionic

PH:6-12

Strength:99-101

Applications: 

It has a very high whiteness when major dosage. The shade in fabric is slight reddish. There is appropriate affinity with cotton or polyamide.Stable for reductive or peroxide.

It can be used in cotton , polyamide , silk, or their blend fabric.

Usage

Exhaust application for cotton: 0.05-0.15% Salt: 2-5g/l

Peroxide 35%:4-12g/l Stable agent:2-4g/l Alkali flake:0.5-2.5g/l Ratio: 1:10-20

Temperature: dyeing at 90-100℃ about 30-40min

Exhaust application for polyamide and cotton blend fabric: 0.1-0.25% Reductive : 2-5g/l

Salt:1-3g/l

Sequestring agent:1-2g/l Detergent :1g/l

PH about 7

Ratio: 1:10-20

Temperature: dyeing at 90-100℃ about 30-40min

Needed to neutralize with 0.5g/l of peroxide 35%, so that getting off peculiar smell in fabric.

Package and Storage

1. 25KG bag

2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.