Optical Brightener OB-1 to Polywoven Bag:

With the development of society, the application fields of polywoven bags and ton bags are more and more popular, which brings a lot of convenience to people's lives and plays an indispensable role in people's lives. Therefore, the whiteness and brightness of woven bags are more critical. Manufacturers use recycled materials in production. After the recycled materials are reused, the appearance color will turn yellow and dark, and the bags made are not beautiful. After some times,fading, yellowing problems will appear, so how to avoid such problems.

Optical Brightener OB-1:

Product Name:Optical Brightener OB-1

Chemical name: 4,4′-Bis(2-benzoxazolyl) stilbene

Appearance: Bright yellowish green crystal powder

C.I.NO.：393

CAS NO.:1533-45-5

Molecular formula: C28H18N2O2

Molecular weight: 414.4

Melting point: 350-360℃

Maximum Absorption Wavelength: 374nm

Maximum Emission Wavelength: 434nm

Package and Transportation:

10kg/20kg/25kg per fiber drum,450kg/500kg/675kg per pallet, we can also customize the package according to our customers'requirements.

We support common payment methods including TT, L/C, Western Union, cash, etc.

Support shipping, rail, air, express and other transportation methods.

The default port is Qingdao Port

FAQ:

1.Q:Add more optical brightener the products will be more white?

A:Everything has a limitation, and it is the same for adding optical brighteners, not the more dosage ,the products is more white. The optical brightener has a yellowing point. If the amount of optical brightener is not enough, the product may not reach the whiteness we want, but if the optical brightener is added too much, the product will not be white, but it will show the optical brightener its own color.

2.Q:Why same Optical Brightener OB-1 for Polywoven Bag,but price is different?

A:Optical Brightener OB-1 is the same as most products,there are many different prices in the market,even you see by eyes,they are the same color.

But the quality is not the same.As usual,the price we offer based on pure quality,because the technical reasons,greater than 98.5% is pure quality.But some price is much lower than the market price which may because they mix other cheap additives to low the optical brightener OB-1 purity.

3.Q:How to choose the whitener that is right for you？

A:1.The whitening performance is strong;

2.The weather resistance is strong;

3.The price should not be too high, after all, the cost must be controlled.

Hot Tags: optical brightener ob-1 for polywoven bag, suppliers, manufacturers, factory, buy, price

Optical Brightener Ob-1 for Polywoven Bag