Oba Optical Brightener Bbu (CI 220) for Paper and Textiles

Characteristics and advantages:1,Good water solubility,dissolve in 3-5 times of boiling water by volume,300g can be dissolvedper liter of boiling water,150 g can be dissolved per liter of cold water;2

Characteristics and advantages:
1,Good water solubility,dissolve in 3-5 times of boiling water by volume,300g can be dissolved
per liter of boiling water,150 g can be dissolved per liter of cold water;
2,It is insensitive to hard water and the whitening effect will not be affected by Ca+,Mg2+;
3,Resistant to peroxide bleach,including reductant(sodium hydrosulfite)bleaching agent;
4,Average acid resistance,PH>7 is the optimum whitening condition;
5,Anionic,blue light.




light yellow uniform powder

Fluorescent Strenghth (equivalent to the standard sample)


Color Shade

Similar to Slightly Different

Moisture content

≤ 5%

Content of water-insoluble impurities


Fineness (residual content passed through 180μm-pore sieve)



1,Used for whitening of cotton fiber and mucilage glue fiber;
2,Suitable for white discharge printing pulp;
3,Whitening during paper pulp;
4,Whitening during surface sizing procedure;
5,Whitening during coating procedure.


Packing 25KG cardboard drums are packed in double lined bags and kept away from light in a cool, dry place for Optical Brightener  OB-1 .We can deliver by air. sea  or express such as DHL. Fedex. UPS.TNT  


1. One-stop service, track logistics information 18 hours a day.

2. Short delivery time: 3-7 days after delivery.

3. Payment : T/T, Paypal, Western Union,Alibaba Credit Insurance Order

4. Transportation mode: shipping, air transportation, express delivery and other ways you can choose. The professional team recommends the most cost-effective transportation mode for you.

5. Provide free samples, you can take the sample first and then make the purchase decision.

6. Low MOQ

1.It's our first business, how do I ensure your quality ?
1st confirmation: Credit will send you free samples and good quality speaks for itself!

2nd confirmation: Before the bulk order, we can provide pre-production samples according to your demands. During production, you are welcome to check by video at any time, or a third-party inspection agency to inspect the goods before shipment.

3rd confirmation : If there is indeed a normal defective rate of product after our successful cooperation, we will arrange the same amount of high quality products to try our best to reduce your money loss and deadline risk.

2.Is there a MOQ?
No moq, but In order to save your precious time and energy, and considering the opportunity cost of our factory, we do not
recommend the small batch cooperation model, but we will provide you with the most suitable solutions with the right number according to your actual requirements and our factory real situation. The Win-Win Cooperation is the ultimate goal of Credit!

3.Can I get free samples?
We can send free samples.

4.How long will I receive the quotation?
For most items, once we know the size ,the material,the package way and quantity, we will provide you with a quotation within 8 hours.

5.Can I customize the design?
It is highly appreciated that you can provide us with detailed designs and your business ideas. We design and build each project according to the needs of individual customers, so as to establish a Long-Term Cooperative partnership. We focus on creating high-quality innovative and environmentally responsible designs for you to highlight the advantages of your products.

6.Can I send an inquiry and get the solution today?
If you send email, WhatsApp, WeChat to contact us, we promise to reply to you within 8 hours! WhatsApp is the best because we all 18 hours online :)