Polyester whitening agent (blue light) QTB

appearance

Light Blue

PH value

5~7

Ionicity

liquid

Solubility

Easily soluble in water

Whiteness

Blue light, with a particularly white whiteness and no yellowing

Polyester whitening agent QTB is a new type of product with superior performance compared to other whitening agents. It has good brightness, high whiteness, and low dosage, which can improve printing and dyeing quality and reduce costs. This product is non-toxic and non carcinogenic, safe and reliable to use, and is an environmentally friendly whitening agent.

[Purpose]

This product is mainly used for whitening and brightening polyester and polyester cotton, polyester silk, polyester yarn, polyester linen, polyester wool and other blended fabrics, and can also be used for whitening chemical fiber plastics. Suitable for pad dyeing, high-temperature and high-pressure impregnation, especially for low-temperature adsorption (impregnation) and high-temperature setting processes.

[Usage]

1. High temperature and high pressure impregnation method:

Dosage: 0.1-0.5% (relative to fabric weight)

Bath ratio: 1:20~40

Dyeing temperature: 120~130 ℃

Dyeing time: 30-60 minutes

PH value: 4.5-5.5 (adjusted with acetic acid)

2. Low temperature adsorption impregnation method:

Dosage: 0.1-0.5% (relative to fabric weight)

Bath ratio: 1:20~40

Dyeing temperature: 100 ℃

Dyeing time: 30 minutes

PH value: 4.5-5.5 (adjusted with acetic acid)

Process flow: Add polyester whitening agent (blue light) QTB and additives (sodium sulfate 1-2%, pH adjusted with glacial acetic acid) and fabric to the dyeing bath at room temperature → heat up to 100 ℃, dye for 30 minutes → wash with water → dehydrate and pre bake (100 ℃) → set and bake (175-190 ℃, 30-40 seconds).

【 Precautions 】

1. Before use, shake thoroughly and weigh accurately to ensure uniform and stable quality of the whitening product.

2. If the suspended sediment layer is found, it can be used by shaking evenly without affecting the use effect.

3. If you want to improve the whiteness, you should pay attention to using it within the yellowing point of this product, pad dyeing ≤ 6 g/L, and dip dyeing ≤ 0.7% (relative to the fabric)

Storage Packaging

Polyethylene plastic drums, lined with plastic bags, each weighing 60kg.