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2021 Good Quality Optical Brightening Agents - Optical Brightener NFW/-L – Subang

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  • 2021 Good Quality Optical Brightening Agents - Optical Brightener NFW/-L – Subang

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2021 Good Quality Optical Brightening Agents - Optical Brightener NFW/-L – Subang Detail:

Product Details

C.I.:351

CAS NO.:54351-85-8

Appearance: light amber liquid

Dyeing shade: blue and green light

PH value: about 3 (1% aqueous solution)

Performance and Characteristics

1. Suitable for dip dyeing and continuous pad dyeing of cotton fabrics, wool and nylon fabrics;

2. Better whitening effect and higher economy;

3. Suitable for a relatively wide temperature range;

4. It has good acid-base stability (pH=2-12);

5. For reducing agents, hard water has good stability and is resistant to sodium hypochlorite bleaching;

6. This product has average washing fastness and low affinity, which is suitable for pad dyeing process.

Instructions

A is used for cotton fabric:

1. Dyeing process:

Prescription: fluorescent whitening agent NFW-L 1.5-6.0%; o.w.f 3-5g/L anhydrous sodium sulphate

Liquor ratio: 10: 1- -20: 1; time/temperature: 20-50°Cx 15-30 minutes.

2. Pad dyeing process:

Prescription: fluorescent whitening agent NFW-L 2-20g/L; hydrogen peroxide: xg/L sodium hydroxide: xg/L.

Process: 150-160°C x 60 seconds

3. Resin finishing and pad dyeing process:

Prescription: Fluorescent Brightener NFW-L: 2-20g/L Resin (Melamine): xg/L; Resin Catalyst: xg/L

Process: Rolling rate: 80-100% drying at 135°Cx60 seconds; fixation: 150-160°C x 60 seconds.

B for wool fabric/silk

Dyeing process

Prescription: Fluorescent brightener NFW-L 0.5-2.0% o.w.f adjust pH=4 with acetic acid

Liquor ratio: 40: 1- -20: 1; time/temperature: 50-60°Cx60-120 minutes.

C is used for the dip dyeing process of nylon fabrics

Prescription: Fluorescent brightener NFW-L 0.5-2.0% o.w.f adjust pH=4-6 with acetic acid

Liquor ratio: 20: 1- -10: 1; Time/temperature: 100°C x 20-60 minutes.

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Persisting in "High quality, Prompt Delivery, Aggressive Price", now we have established long-term cooperation with consumers from equally overseas and domestically and get new and old clients' large comments for 2021 Good Quality Optical Brightening Agents - Optical Brightener NFW/-L – Subang , The product will supply to all over the world, such as: Colombia, Turkey, Liverpool, The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed.
    • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By trameka milhouse from Lyon - 2017.08.16 13:39
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Anna from Somalia - 2017.06.16 18:23
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