---
description: "Discover Tinopal OB, a leading optical brightener: its technical specifications, classification, practical applications, and usage guidelines."
title: Tinopal OB
image: https://welltchemicals.com/wp-content/uploads/2024/01/1-190.png
---
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# Tinopal OB
## Get High-Quality Tinopal OB from China
Wellt is your reliable source for this optical brightener. Sourced directly from China, our Tinopal OB is of the highest quality and meets all industry standards. Whether you’re in the textile or paper industry, our product will help enhance the brightness and whiteness of your materials. Trust Wellt for all your optical brightener needs.
[Home](https://welltchemicals.com/) » [Optical Brightener](https://welltchemicals.com/optical-brightener/) » Tinopal OB
-  ## Introducing Tinopal OB from Wellt
Our product brand: Wellnox OB
- **Tinopal OB** is a chemical compound known for its exceptional whitening effects on polyolefin, PA, PAN, and other materials
- Designed for use in film, injection, and extrusion processes
- Versatile – can be used in all types of plastic processing, as well as paint, printing ink, and coating industries
- The recommended dosage of just 0.01-0.05% for cost-effective yet powerful results.
[enquiry now](#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjY5OCIsInRvZ2dsZSI6ZmFsc2V9)
*Tinopal OB，Uvitex Ob，Optical brightener OB*
*Tinopal OB Structure*
-  ## Tinopal OB Technical Data
Our product brand: Wellnox OB
### CAS NO.: 7128-64-5
CHEMICAL NAME: 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene
## Tinopal OB Specifications
| Appearance: | yellow powder |
| --- | --- |
| Melting point (℃): | 198-203 |
| Purity(%): | 98 min |
| Applications: | Special suitable for the whitening of polyolefine, PA, PAN etc. Widely used for film, injection and extrusion materials. Suitable for all plastic processing. It also can be used in paint, printing ink and coating. Dosage: 0.01-0.05% |
| PACKAGE: | 25KG carton or drum |
- [](https://welltchemicals.com/wp-content/uploads/2024/01/TDSOB.pdf) ## [Tinopal OB Technical Data Sheet PDF](https://welltchemicals.com/wp-content/uploads/2024/01/TDSOB.pdf)
Click to download accessories for our products
## Tinopal OB For Sale
Get your hands on Tinopal OB, a premier optical brightener known for its superior performance. Ideal for various applications, this product enhances the brightness and whiteness of your materials. Benefit from its high efficiency and stability. Don’t let this opportunity pass to elevate your business quality!
[Tinopal OB for Sale](https://welltchemicals.com/wp-content/uploads/2024/01/2-69.webp) [Tinopal OB for Sale](https://welltchemicals.com/wp-content/uploads/2024/01/3-57.webp) [Tinopal OB for Sale](https://welltchemicals.com/wp-content/uploads/2024/01/5-20.webp)
## Welcome to Our Tinopal OB Factory!
[factory display -1](https://welltchemicals.com/wp-content/uploads/2024/01/2-3.webp) [factory display -2](https://welltchemicals.com/wp-content/uploads/2024/01/2-10.webp) [factory display -3](https://welltchemicals.com/wp-content/uploads/2024/01/3-4.webp) [factory display -4](https://welltchemicals.com/wp-content/uploads/2024/01/4-4.webp) [factory display -5](https://welltchemicals.com/wp-content/uploads/2024/01/5.webp) [factory display -6](https://welltchemicals.com/wp-content/uploads/2024/01/6.webp)
*Why Wellt's Tinopal OB?*
-  ## Why Wellt's Tinopal OB?
1. **Superior Performance**: Tinopal OB offers enhanced brightness and whiteness, improving the quality of various materials.
2. **Wide Application**: Its versatile nature makes it suitable for a range of industries, from textiles to plastics.
3. **High Stability**: Tinopal OB ensures consistent performance over time, contributing to the longevity of your products.
4. **Cost-Effective**: Despite its high efficiency, Tinopal OB remains an affordable solution, providing value for your investment.
[enquiry now](#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjY5OCIsInRvZ2dsZSI6ZmFsc2V9)
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## [The Complete Guide to Tinopal OB( type of Optical brightener) in 2024](https://welltchemicals.com/blog/the-complete-guide-to-tinopal-ob-type-of-optical-brightener-in-2024/)
As we move forward into 2024, the role of Optical Brighteners in various industries remains critical. Among these, Tinopal OB stands out due to its superior properties and wide range of applications. This comprehensive guide aims to delve into the technical aspects of Tinopal OB, providing a detailed analysis of its features, uses, and potential advancements. It serves as an essential resource for professionals seeking to enhance their understanding of this vital component.
[For more details](https://welltchemicals.com/blog/the-complete-guide-to-tinopal-ob-type-of-optical-brightener-in-2024/)
[get support](#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjY5OCIsInRvZ2dsZSI6ZmFsc2V9)
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## Frequently Asked Questions
Want to know more about Tinopal OB.
### Q: What is Tinopal OB?
Tinopal OB is a subtype of optical brightener, that enhances the brightness and whiteness across multiple industries, including plastics, textiles, and paper.
### Q: What are the typical applications of Tinopal OB?
Tinopal OB functions as an optical brightener for various plastics such as PVC, ABS, PP, and EVA. It is also applied in resin production to enhance optical properties.
### Q: What is the synonym name for Tinopal OB?
Tinopal OB is alternatively referred to as Fluorescent Brightener 393 or OBA 393.
### Q: How can I obtain the technical data sheet (TDS) for Tinopal OB?
The TDS for Tinopal OB, detailing product properties and safety measures, can be accessed through the manufacturer or supplier as per customer requirements.
### Q: What are the critical features of Tinopal OB?
Tinopal OB is characterized by high chemical stability, outstanding heat resistance, and broad compatibility with many materials, making it suitable for diverse applications.
### Q: Where can I find Tinopal OB with the CAS number 7128-64-5?
Tinopal OB, CAS number 7128-64-5, is produced by manufacturers, including BASF and Wellt Chemical Co., Ltd., and is commonly obtained from authorized distributors. [Contact us](https://welltchemicals.com/contact/).
### Q: In what form is Tinopal OB available?
Tinopal OB is offered as a yellow powder, readily incorporated in different production processes for the desired optical brightening impact.
### Q: What are the recommended usage conditions for Tinopal OB?
Tinopal OB is typically utilized in indoor thermoplastic products with varying concentrations according to specific application needs.
### Q: What are the advantages of using Tinopal OB in comparison to other optical brighteners?
Tinopal OB’s high molecular weight grants superior optical brightening performance and compatibility with various materials, hence preferred by many manufacturers.
### Q: How can I ensure the proper handling and storage of Tinopal OB?
For proper handling and storage, keep Tinopal OB in a dry, well-ventilated area, away from sunlight and heat, complying with safety guidelines from the TDS.
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