Optical Brightener Ob for PVC/PS/PP/ABS CAS 7128-64-5

Product Description

                                                                                   --  Optical Brightener OB--
 

Optical Brightener OB has excellent thermal stability, special

whitening properties, good light fastness and low volatility. Blue

light effect is outstanding, easily soluble in organic solvents, and

good compatibility with various substrates. Therefore, the

product is especially suitable for film and sheet. OB increases

the whiteness of the substrate and, when combined with dyes,

produces a particularly bright effect. The excellent thermal

stability of the OB makes it suitable for all relevant processing

conditions.

                                                                 --  Product Specification--
 

Item	Index
Appearance	light yellow or milk white powder
Purity	99%min
Melting point	196-203ºC
Maximum absorbed light wavelength	375nm
Maximum fluorescence emission wavelength	435nm
Solubility	hardly soluble in water,but soluble in paraffin,mineral oils and ordinary organic solvents.

                                                       
                                                      --  Packing &Delivery --

   
   Packaging: 25KGS fiber drums within double PE bags.
 

          --Company Profile--

QINGDAO NEWSANDA INDUSTRY CO.,LTD is an integrated supplier of raw materials for the coating, rubber, and plastic industries. It is a new type of chemical raw material integration platform with Internet + supply chain management. We are committed to providing customers with a one-stop procurement platform and creating a good upstream raw material supply experience . 

 

It is very easy for the factory to find raw materials, and is committed to becoming a good service provider in the chemical supply chain.

 

      -- Export History --