optical brightener ER-1

Description

Fluorescent brightener ER-â… (FBA **9) Appearance: yellowish-green powdered crystal Purity: *9%Min Properties:Non-ionicity, does not dissolve in water, can dissolve in most organic solvents, the color light inclines to red, its chemical stability is good and has fine high temperature resisting quality and light fastness, strong fluorescence, whiteness is higher than PF by several times, color light is natural, absorb wavelength is **5mm. Uses: Suitable for the terylene chemical fibre, acetate fibre, polyamide fibre and plastics for whitening and blooming. Method of Application: The common dosage in polyester fibre is 0.***0.*8%(compare with polyester weight ) and add and subtract in right amount according to the whiteness demand, can add and delusterant and bluish violet dyestuffs at the same time. Packaging: Packaged in cardboard drums, *0kg or *5kg each