Optical Brightener Agent KSN

Fluorescent brightener KSN and OB-1 have similar chemical structure, but the whitening effect on polyester fiber and plastic products is better than OB-1, and the compatibility with plastic is better than OB-1. It can produce very good whitening effect, which is far from OB-1. KSN not only has excellent high temperature resistance, but also has excellent solar and weather resistance. Fluorescent brightener KSN is also suitable for polyamide, polypropylene

25kg/drum（fiber drum）or according to customer’s request

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)