Nuhai Yantai Chemical CO., LTD
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Optical Brightener ER For Polyester

— Optical Brightener For Polyester, Optical Brightener, Whitening Agent For Polyester
Product Category: Textile Chemicals
Sales Method: Export, Manufacture, Wholesale
Payment Term: T/T, L/C, D/P sight
Trade Term (Incoterms): EXW, FOB, CFR, CIF
Min. Order Unit Price
500 Pieces USD 14 / Piece
500 Pieces USD 14 / Piece
500 Pieces USD 14 / Piece
Contact Info


Address: China (mainland) Shandong Yantai,Sino-Russian Science And Technology Park, No39 Kailai Road, Gaoxin, District
All Products (20)

Product Detail

Product Attribute:

  • China (mainland) More >
  • Brite BY
  • Nuhai
  • 07/12/2017
  • 07/12/2017

Product Content Description:

Product Description

Optical brightener ERG



Item Specification


Optical brightener ERG
Class Whitening agent

Light yellow powder or liquid


Suitable for polyester


Fluorescent white


This product shade is white fluorescent, high purity, high temperature resistancegood whiteness, low cost etc.


Application methods:

1.Polyester staple fiber

Before spinning, remove the debris from the polyester chips (material), add the material to the melting tank, raise the temperature to about 120 ℃, remove the moisture in the material, then stop the vacuum, 150g-250g / ton (according to the different requirements of the appropriate amount of whiteness) added to the slices, the full mixing, so that the powder adsorption on the surface of the material, if necessary, appropriate amount of titanium dioxide. When need to deploy shade, you can add 2-5g of blue violet dye (B12, etc.) per ton of material, mix with the whitening powder to join the material, fully mix the surface of the adsorbed material, and then continue to heat 240 ℃ -280 ℃, So that whitening powder and polyester material completely melt, and finally directly into the spinning section.

2, polyester long fiber

Per ton of polyester material plus fluorescent whitening powder 150-300g, titanium powder 100-300g or so.

3, whitening masterbatch or reclaimed materials

Per ton of polyester material plus fluorescent white powder 2000-6000g, titanium dioxide 1000-6000g or so.


Note: the temperature is generally not less than 230 ℃, the time is not less than 60 seconds.


Range of Application:

ER fluorescent whitening powder, is very suitable for polyester (polyester) fiber whiteninga and brightening, has a very good whitening effect with polycarbonate, polyethylene, polypropylene and other plastics and products. In the polyester chips and recycled polyester chip molding process by adding fluorescent whitening powder, can significantly improve product quality.


In the paint industry is also widely used.


Recommended Storage :

In a cool, dry place to keep away from light.


Packaging & Shipping
Packaging : 10kg cardboard drum lined with double plastic bags, can also be packaged according to customer requirements.

Delivery: Within 8 woking days after payment.

Company Information

1.Our company

NUHAI(YANTAI) CHEMICAL CO.Ltd is a high-tech emtprise with a collection of chemical research and development,production,sales and technical services. Originally based on manufacturing and saling textile enzymes and fluorescent whitening agent,After more than a few years of efforts,our products have established the perfect sales network in many countries,we have set up offices in Bangladesh and Vietnam.
Chemicals OBA Optical Brightener NFW-L Liquid for nylon textile

Our services

1).Specialized and Dedicated.


2).High quality and competitive price.

3).Free sample for your evaluation.

4).Promptly delivery and excellent service.

5).Trial order is available for testing after samples.

6).We will inform you all the information at every stage in advance.

Chemicals OBA Optical Brightener NFW-L Liquid for nylon textile


F:What’s your payment terms?
A: T/T or L/C, If you want to use other payment term, we can also receive.
F:How about your packing?
A:My main packing is 25kg or 1000kg PP PE or kraft bag , with or without pallets,with or without anticaking. Of course, if you have special requirements on them,we will according to you. 
F:What’s your delivery time?
A: Usually we will arrange the shipment in 7 -15 days. If your order is small, our delivery time is about 3-7 days after we get your payments.
F:How about the validity of the products?
A:According to the products you ordered.
F:What documents you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, Health certificate and Origin certificate. If your markets have any special requirements, let us know.



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