Fluorescent brightener ER-Ⅱ(FBA 199:1)

CAS NO: 13001-38-2

Appearance: Pale yellow powder

Shade: blue violet

Purity: 99%Min

Melting point: 184-186°C

Packaging: Packaged in cardboard drums,20kg or 25kg 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 1.4-1.6 times higher than the ER-I; its constituent is: O/P ≥ 95% , O/O≤ 0.5% , absorb wavelength is 369mm.

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 0.02-0.08%(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.