China Factory Fluorescent Whitening Agent Agent Optical Brightener Agent Ob-1 for Plastic

• Customization: Available
• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• Model NO.: OB-1
• EINECS: 216-245-3
• Environmental Protection: Yes
• Color: Yellow
• Kind: Optical Brightener
• Appearance: Powder
• Application: PVC, PE, PP and So on
• Purity: 99.9%
• Loading: 9 Tons
• Delivery: 7-10 Days
• Transport Package: 25kg
• Specification: 99.9
• Trademark: WSD
• Origin: China
• HS Code: 3204200000
• Production Capacity: 100mt
• Package Size: 50.00cm * 50.00cm * 45.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Properties:
It is Bright yellow green crystal powder,odorless.it is hard to dissolve in water. It dissolves in paraffin,fat,mineral oil,wax and common organic solvents.The hue of the fluorescent light is
blue light.The wave length of the maximum absorptive light is 375nm(ethyl alcohol)

Features:
1.high whitening strength and strong fluorescence
2.wide application scope: polyester, nylon fiber and various plastics
2.fine high-temperature resistance
 

Specification

appearance	bright yellow green crystalline powder
color light	bright blue fluorescent(similar to standard sample)
melting point	357-360ºC
purity	≥99.5%
fineness	throught 100 mesh
minium altraviolet absorption wavelength	374nm
maximum ultraviolet absorption wavelength	434nm

Application

It is used in thermoplastic plastics, PVC, PE, PP,PS,ABS,SAN,SB,CA,PA,PMMA,acrylic resin,polyester fibre,paint,coating,the brightening of prointing ink.

Recommended dosage: for each 1000 kg material
1.EVA, polypropylene fiber, nylon and Makrolon: 75~200g
2.polyster fiber: 75~300g

Packaging & Shipping

After Sales Service

As a professional technical service-oriented  enterprise specializing in PVC raw materials and additives, we fully understand that after-sales service is the key to ensuring the smooth operation of your production. From the moment of product delivery, our dedicated service team will follow up throughout the entire process.

In response to the characteristics of PVC raw materials, we offer 24/7 remote technical consultation. Whether it's formula optimization, process adjustment, or quality fluctuation troubleshooting, our experienced engineers can respond promptly and provide professional solutions. If you encounter on-site technical challenges, we can coordinate our global service network to dispatch engineers to your location, offering services such as equipment commissioning and fault repair.

We also establish a product usage file for each customer, conduct regular follow-ups to track application performance, proactively identify potential issues, and deliver the latest industry technologies and product upgrade information. By choosing us, you not only gain access to high-quality PVC raw materials and additives, but also a globally integrated professional technical support system. With professionalism as our foundation and service as the bridge, we are committed to being a reliable partner in your overseas production journey.

Company Profile

Shengzhou worthside chemical  is trustworthy partner of PVC raw materials and additives

Established in 2000, Shengzhou worthside Chemical/WSD chemical is a leading global supplier of integrated PVC chemical solutions, with headquarters in Shengzhou, Zhejiang, China. Strategically located near Shanghai, Hangzhou, Ningbo, and Yiwu.
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We offer a full spectrum of PVC products covering every stage of production:
• Core Raw Materials: Carbide/ethylene-based PVC resins, E-PVC resins
• Functional Additives: Metal stearates, stabilizers, lubricants, plasticizers, impact modifiers, processing aids, foaming agents, pigments, optical brighteners, antioxidants, and UV absorbers

These products are widely applied in UPVC pipes, PVC windows/doors, wall panels, foam boards, footwear, artificial leather, flooring, films, and more, delivering consistent performance and reliability for diverse manufacturing needs.

At WSD CHEMICAL, our mission is to "Make Your Work Easier." We are committed to growing alongside our customers by providing tailored solutions, responsive support, and innovative products.

Contact us today to explore how we can elevate your PVC production efficiency and product quality!

Why choose us

Because of professionalism, it is worthy of trust.

1. Complete and more products to meet customer demand.
We not only produce some PVC additives&PVC chemicals by itself, but also have good work relationship with other Polymer Additives factories, in accordance with product standards and end-user requirements, finally providing one-stop PVC chemicals solution for you.

2. Professional testing group ensure satisfying quality.
We have one professional product development and testing team on PVC chemicals,help its customer ensure that all the products supply from our company meet the technical requirements of applications on PVC industry before shipment.

3. Fast and Flexible shipment.
We have itself big warehouses and many partner factories, which enable us arrange shipment in a fast and flexible way, according to our PVC plastics customer requirement. The delivery time should be 7-10 days.

4. Less investment, more benefit you will get.
Except offering diversified plastic additives , We also provide PVC plastics production formula support for our PVC plastics customers, which will help customer save purchasing cost, time cost, capital cost and risk cost. It is a win-win opportunity and both of us will gain maximum benefits through cooperation.

5. Flexible payment terms.
With an effort to solve customers' payment problems and save payment cost, We have different bank accounts in China, Singapore,and HongKong, TT, LC, DP, and other different payment methods are available.

6. Technical Service Team.
What's the most important is, we have a professional technical service team to offer you professional advice and service, with quite rich experience in the PVC & rubber industry including PVC pipe, PVC fitting,PVC profile, PVC board, PVC sheet, PVC soles,PVC wire or cable compound and etc's production,PVC raw material selection, mix formula, application, production optimization and other aspects. We are here at your service