Optical Brightener

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Optical Brightener For Flexible PVC



Product Origin:


Delivery Time:


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Product Name

Non-fluorescent whitening agent RQT-K-1


yellow green powder

 Active ingredient



greater than 200-300 mesh



1. The dosage is small, the whitening strength is high, and a very small amount can produce a very good whitening effect.

2. Wide application performance, widely used in whitening of chemical fibers such as polyester and various plastics.Especially the whitening of soft PVC products.

3. It has good compatibility with plastics, high temperature resistance and excellent light fastness and weather resistance; it is not easy to yellow, whitening, brightening and brightening performance are remarkable!


Dosage: Recommended dosage:

Add 2-30g of brightener per 100kg of material:

1. The amount of transparent plastic added is 0.5-2g.

2. The amount of polyester fiber added is 10-20g.



According to your product formula and recommended addition amount, adding excessive amount is easy to form yellowing. If you have any technical or use problems, please contact us.


RQT-K-1 high-efficiency fluorescent whitening agent is a brightener suitable for various plastics.

1. Applicable to the whitening of polyester, polyamide, polyacrylonitrile and other fibers and silk fabrics.

2. Widely used in film, injection molding and extrusion materials, suitable for processing all plastics.

3. Very suitable for the whitening of any processing stage of the synthesis of polymers, including the polymerization stage.

The use of this product can greatly improve the whiteness, brightness and vividness of various plastic products, making your product whiter white; color more brilliant; brightness doubled!



(inside packaging 1 kg / bag) (outer packaging 5 kg, 10 kg) carton. Store in a dry place.

Shelf Life : long-term effective

Packaging of fluorescent whitening products


You may ask:

Q: 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 the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q: How to get the price list?
A: Please inquire us by alibaba/email.
Q:Is there a discount?
A:Different quantity has different discount.
Q: Can you provide samples for quality checking before placing an order?
A: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q:Which port can I choose?
A:Zhengzhou,Tianjin, Qingdao or Shanghai Ports can be, depending on you.
Q: Can you customize products?
A: Yes, we can.
Q: Can you provide samples for quality checking before placing an order?
A: Samples are avaliable upon request, but the shipping cost should be paid by customer.
Q: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)


If you have any questions, feedback or comments, please fill out the form below and we will reply you back as soon as possible.

+86-182 1762 1160
Funncy Zhao