Optical brightener ER-11

Description

Fluorescent brightener ER-Ⅱ(FBA **9:1) CAS NO: *********2 Appearance: Pale yellow powder Shade: blue violet Purity: *9%Min Melting point: ******6°C Packaging: Packaged in cardboard drums, *0kg or *5kg each Properties: Non-ionicity, does not dissolve in water, can dissolve in most organic solvents, the color light inclines to blue, its absorption rate is one time faster than the ER-I, its color development temperature is lower than the ER-I and its whiteness is 1.**1.6 times higher than the ER-I; its constituent is: O/P ≥ *5% , O/O≤ 0.5% , absorb wavelength is **9mm. 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.