Cotton whitening agent 4BK

[Description]

Suitable for cellulose fibers such as cotton and hemp, as well as polyacrylic fibers, it is an environmentally friendly whitening agent.

Features

1. PH scope of application; 5~9

2. Resistant to hard water, but pay attention to the damage caused by heavy metal ions to whiteness

3. Resistant to reduction bleaching and hydrogen peroxide bleaching, but unstable for sodium hypochlorite bleaching

4. Especially suitable for immersion dyeing, 4BK has excellent lifting properties, and even if overused, the fabric will not turn yellow as a result.

Fastness performance

Project standard level

Light DIN54004 3-4

Water severe DIN54004 4

Washing,mechznical Wash 40℃ DIN54014 4-5

Washing,mechznical Wash 60℃ DIN54010 4-5

Washing,mechznical Wash 95℃ DIN54012 4-5

Oxides of nitrogen DIN54014 5

Sea water DIN54014 5

Application

1. Reference usage: Whitening agent 4BK 0.1-0.5% (for fabric weight) Treatment temperature&time: 98-100 ℃&30min

2. Compared with other whitening agents, whitening agent 4BK can achieve very ideal whiteness without yellowing due to excessive dosage, making it easy to use.

Packaging

Paper drums, lined with plastic bags, each weighing 50kg.