Fluorescent Brightener ESR Oba for Polyester ESR

Min.Order: 1,000

Product origin: Hangzhou, Zhejiang, China

Infringement complaint:

Complaint

US$ 5 ~ 10

Description

Optical Brightening Agent ESR

Other name: White R
Chemical name: Stilbene derivative
C.I.Number: 199

Appearance: Slight Yellow powder

Ionic character: Nonionic

PH value: 5 ~ 7

Solid content: 20% (min)
Property: Mainly be used in whitening of polyester fabric and its blends with strong fluorescence, high whitening performance, good fastness to light, wash and excellent fastness to sublimation.

Process:

Pad-thermos fixing process

ER-330 2-3g/L (should be adjusted according to the sample testing), procedure: pad(two dips and two squeezes, residual liquor content 70%) →dry(100ºC) →(180-200ºC, 20-30s).
Attention:
The goods must be rinsed thoroughly after pretreatment to ensure the PH below 8 the PH of the pad liquor should be adjusted to 4-5 with acetic acid.

HT exhausting process

ER-330           0.2-0.3%(o.w.f) liquor ratio 1:10-30
Treating temperature 120-130ºC        Treating time 30-60min
PH               5-10 (5-7 is specially recommended)

Items	Specifications	Results
Appearance	Slight yellow-green Liquid	Conform
Particle size (≤2-3um)	≥90%	≥95%
PH	6 ~ 7	6.8
C.I.E whiteness	Wg: 140.7 Tw: 2.93 (Usage: 0.3%)
Active content	20.0±0.5%	20.0%