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Optical
Brightening Agent ER(C.I.199)
{Main Chemical Composition}:
Stilbene bistriazine derivative.
{Specifiations}: 
| Item |
Indices |
| Appearance |
light yellow(with slight grass green)dispersed liquid |
| Whitening intensity |
100 points |
| Hue |
approximate to that of the standard agent |
| Granule fineness(number of the granules having sizes ≥4μm) |
≤3 |
{Properties}:

ER-1, a new type of whitening agent for polyester
fiber, is one of the diphenylethylene compounds and similar to the
foregn brands such as Blankophor ER, Whitex ERB and Ultraphor RN.
The high concentrated commercial ER-1 is a light yellowish green
nonionic dispersed solution, which is stable when used together
with cationic softeners and can be used together with sodium hypochlorite,
hypochlorite, hydrogen peroxide and reductive bleaching agent in
a bath.
{Applications}:

The product is suitable for whitening and brightening
polyester fabrics or cotton-polyester blend fabrics and whitening
plastic products as well. The product is compatible with paddyeing
hot-melt process, high temperature-pressure dip-dyeing process and
low temperature adsorbing and fixing dipdying process.
{Packaging and storing}:

Filled in plastic kettles,10kg each, and packages
in cardboard boxes, 2 kettles each. Stored in cool and ventilated
place. |