Liquid and Powder Optical Brightener Uvitex Nfw450 for Wool, Nylon

Product Description

Product Description
1.Fluorescent brightener NFW 450 liquid has high whiteness with less dosage.
2.Fluorescent NFW 450 liquid is of temperature resistant type: non-freezing at -18ºC,even if there is a few of ice scraps, it will not affect the using effect after thawing.
Product Specification

Chemical Name	Fluorescent brightener NFW 450 optical brightener CBS-L
Cas No.	27344-41-8
Appearance	Deep blue-violet liquid
Solid content	30%
Whiteness WCIE	≥0
Viscosity(25 ºC),mPa.s	≤50
PH Value	2-6
Ionicity	Anion

Product Application
1.Optical brightener NFW liquid is mainly used for the whitening and brightening of polyamide fabric
2.Optical brightener NFW liquid can also be used for the whitening of wool, silk, cellulose acetate fiber, cellulose triacetate and cotton fiber.
Product Usage
1.When optical brightener NFW liquid is used in exhaust dyeing:
Use quantity:0.2-5%(o.w.f)
Optimum use quantity:0.5-1.5%(o.w.f)
PH value: 5.5-6.0(adjustable with citric acid or acetic acid)
The bath ratio is 1:10-1:20 dyeing temperature is 80-100ºC
The dyeing time is 30-40min.
2.When optical brightener NFW liquid is used in pad-dyeing hot melt method:
Use quantity: 1.5-10g/l
Process flow: two dip dyeing and two pad dyeing( or one dip dyeing and one pad dyeing), mangle expression 60-70%→pre-dyeing(100ºC)→curing and setting(160-170ºC,40-60s)
3.When optical brightener NFW liquid is used at low temperature absorption and high temperature color development method:
Use quantity: 0.5-1.2%(o.w.f)
PH value:5.5-6.0 (adjusted with citric acid or acetic acid)
The bath ratio is 1:10-1:20, the dyeing temperature is 50-60ºC
The dyeing time is 20-30min.
Process flow: add NFW liquid and sodium hydrosulfite(o.w.f) and fabric into the dye bath at normal temperature and adjust PH value to be 6.0 →increase temperature to 50ºC,dye for 20-30 min→washing→dehydration and pre-dyeing (100ºC)→setting and baking(180-190ºC,30-40s)
Product Package
25KG per kraft bag, carton box,fiber drum or as per customer's requestProduct Storage
Stored in a cool dry place out of direct sunlight
Company Profile
Shanxi Colorshine Chemical Industry Co.,ltd is experienced and dynamic in chemical line. We are a professional manufacturer and supplier in the business scope of producing optical brighteners, carbon black, masterbacth, polyvinyl alcohol, sulphuric dyes, acid dyes,direct dyes and surface surfactant etc in China. We have our own R&D center and team. With most strict quality contral system and advanced modern equipment, we always provide our customers with best quality. The advanced equipment/technology, competitive price, sustainable and reliable quality control from us enable our customers enjoy more trust and cutting-edge strength in the local and world market. Our goal is to survive by quality and develop by credit.
In the past 16 years, our products have been exported to more than 31 countries in the world, Europe, South America, North America,Southeast Asia and Africa.we have developed mutual profitable and long-term relationship across the world wide.We will always give our customers the best quality products, the most reasonable prices and effective safe transportation.
FAQ
What is Optical brightener NFW Liquid?
Optical brightener NFW Liquid allows it to absorb invisible ultraviolet light and then emit visible blue light, which creates a whitening effect. It can mask the yellowish tint of fabrics and papers caused by natural aging or exposure to light
How does Optical brightener NFW Liquid work?
Optical brightener MST Liquid is a complex organic compound that absorbs light in the ultraviolet range and emits light in the blue range, which results in a brighter and whiter appearance of the material it is added to.
What is the advantage of Optical brightener NFW Liquid?
Some of the benefits of using optical brightener NFW Liquid include improved whiteness and brightness of fabrics, enhanced color contrast, and increased consumer appeal. It is also relatively stable under normal storage and usage conditions, which makes it a popular choice for synthetic detergent manufacturers and factories
Q1: Are you a manufacturer?Answer: Yes, we are a factory since 2006.Q2: How to contact with us?Click the "Contact Supplier" And then send us message the product you interest in, you will get valid reply within TWO hours.Q3:Which kind of payment terms do you accept?For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T, L/C,D/P At sight or negotiable.Q4:Can you give me a discount price?Sure,It depends on your quantityQ5:How can i get a sample?free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from yourorder in the future.Q6: How to confirm the Product Quality before placing orders?A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take thesamples. You can send us your product specifications and requests,we will manufacture the products according to your requests.Q7:How do you treat quality complaint?A:First of all, our quality control system will reduce the quality problem to near zero. If there is a real quality problem caused by us,we will send you free goods for replacement or refund your loss.

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