Fluorescent Brightener OB - 1 (Yellow)

Fluorescent brightener OB - 1

Fluorescent whitening agent: OB - 1 (367) C.I.

Chemical name: 2, 2 - (4, 4-2 styryl) double benzene and pbo

Technical Indicators:

Outside view: yellowish powder

Color: light blue and white

Melting point: 360 ℃

Pure c: 98% or higher

The Physical and Chemical Properties:

This product ,which is bright yellow-green powder, is non-toxic , tasteless, insoluble in water. It is excellent in light-heat

resistance, good chemical stability,and does not react with foam agent and the crosslinker.Furthermore,,it is well soluble 

with polymers,without any seepage phenomenon. The maximum absorption wavelength of spectrum is 370nm.

Scope of Application:

The fluorescent brightener ob-1 is not only use for the whitening of synthetic fibers and plastic products,but also brightening  

plastic products. Therefore, it is widely used whiteningin the plastic film, press forming material, injection molding materials,

polyolefin, PVC, foam PVC, TPR, EVA, PU foam and synthetic rubber. Furthermore, it can be also used for the brightening of

coatings and natural lacquers, and has a special effect on the foam plastics, especially on EVA and PE foaming.

Recommended usage: 0.005% ~ 0.005% (with plastic raw material weight ratio).

Packaging storage: 25 kg cardboard barrels packaging, lined with plastic sheets, preserved in a cool, dry place away from light.