China Supplier Fluorescent Brightener CAS 7128-64-5 Fluorescent Brightner Agent 184

Optical Brightener Heihu chemical co.ltd  is highly effective in polymer substrates such as engineering plastics, PE PC, PVC, PS, ABS, and PP, adhesive and other organic substrates. Main applications include fiber, plastic/textile/detergent/Paper ,molded article, film and sheet. And also can be used in clear lacquers, pigmented lacquers, paints, printing ink and synthetic leather.Heihu chemical co.ltd features excellent resistance to heat, exceptional whitening properties, good properties, good light fastness and low volatility.

Characteristic:
1. Optical brightener DMS has less solubility than VBL and 31#, it can be soluble in hot water and form about 10% suspension liquid. The liquid should be used immediately when ready and avoid sunlight.
2. DMS is stable in Chloride series bleaching agent solutions, has good performance in 20~100ºC.
3. DMS absorbs light of wavelength 349nm, reflects light of wavelength 442nm.
4. DMS is compatible with anionic and non-ionic surfactants.

PVC: White 0.01-0.05% (10g-50g)
Tansparent 0.0001-0.001% (0.1g-1g)
PS: White 0.001% (1g)
Transparent 0.0001-0.001% (0.1g-1g)
ABS: Primitive color 0.01-0.05% (10g-50g)
White 0.001% (1g)
PE,PP: Achromaticity 0.0005-0.001% (0.5g-1g)
White 0.005-0.05% (5g-50g)
Other Plastics: Refer to the directions given above.

25kg per bag/drum or as customer's requirement

1. Used in high temperature of all kinds of plastic and plastic products processing.
2. It has good heat resistance, light resistance and chlorine bleaching properties. It is used in the whitening of polyester fiber, cotton and other fiber blended fabric, and can be used in polyester original solution whitening. 
3. It can also be used for plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC,etc.

Hebei Goldstar Technology Co.,Ltd. We are located in Hebei with convenient transportation access. We are a professional manufacturer and trader that is concerned with the research, development and production of chemical products. We committed to providing you with high-quality products and services. We always implement the concept of customer value creation, for customers tailored products,
to meet the needs of different customers, and continuously provide customers with solutions and technical problems.Further exploration and innovation, and excellence.Welcome and look forward to customers from all of the world to contact us for create a bright future with us together.

Q1: Are you a manufacturer or a trader?
We are a seamlessly integrated industrial and trading company, offering the best of both worlds.

Q2: Do you have a stable production facility?
Absolutely! We boast a spacious 2,000+ sqm factory, ensuring a steady supply of high-quality products.

Q3: Where do you ship from, and how long is the lead time?
Our shipments originate from Tianjin Port, China, with a lead time of 7-15 days post-deposit (sample orders are expedited to 3-5 days).

Q4: Do you offer free samples?
Yes! We provide free samples, though the freight is the buyer's responsibility. Custom formulations involve a nominal fee.

Q5: What are your payment terms?
We accept L/C, T/T. Alternative methods can be discussed.

Q6: Do prices drop for bulk orders?
Certainly! We offer negotiable pricing based on order volume. Reach out for the best quote as raw material prices may fluctuate.

Q7:What kind of documents we will provide to you?
B/L,Commercial Invoice, Packing List,Certificate of Original. with these documents you or your borker can do the customs declaration at your side.

Q8:During shipping, if there is a damage to products, how do you get replacement?
During shipping,our shipping angancy will try to ensure the safety of the goods.If there is a damage to products, they would be responsible for the damage .If it is not a very serious problems,we will help you and compensate you the damaged parts.