Payment & Shipping Terms:
|CAS No.:||16470-24-9||Other Names:||Optical Brightener 220|
|Type:||Reactive Dye||Usage:||Ink Dyestuffs, Paint Dyestuffs, Paper Dyestuffs, Plastic Dyestuffs, Textile Dyestuffs|
|Product Name:||Optical Brightener BBU||Appearance:||Amber Transparent Liquid|
Optical Brightener 220
Name: Optical Brightener C.I. 220
Molecular formula: C40H40N12Na4O16S4
CAS Number: 16470-24-9
Molecular Weight: 1165.03
Appearance:Amber transparent liquid
Fluorescent strength (equivalent to standard substance):35%
Whiteness (WCIE) :≥ -0.3
This product is a liquid fluorescent whitening agent used in paper making.
1.This product is easy to use, can be arbitrary proportion miscible with water,is suitable for continuous addition.
2.It has good acid-resistance, under low PH value also has excellent whitening effect.
3. It is very stable above 0°C.If temperature is below -3°C,it will freeze, if move to room temperature place or heating can melt,and to use effect without any adverse effects.
4.This product uses advanced nanofiltration technology to make it contain low salt
content At room temperature, it has good storage stability.
Scope of application
1. in the process of surface Sizing.
2. in the process of coating.
1.we can add it into paper pulp directly , the dosage is : 0.05—1.2% (to oven dry stock)
2.In the process of surface sizing, it has better whitening effect used together with
CMC, PVA and starch. The dosage: 0.5—10g/L.
3.In the process of coating, it can be added at any position.it has better whitening effect used together with CMC,PVA and starch.The dosage: 0.1-1.1% (to the coating weight)
Stored in closed containers at the temperature between 0-35°C, storage life is 6 months.
200kg or 1000kg plastic drum or as your demand.
I). We have abundant professional production experience.
II). We have our own chemical factory.
III). Sample is free of charge.
IV). Reasonable Price, Excellent Quality & Attentive Service
V). Prompt reply: we can reply your inquiry and email within 24 hours.
VI). Fast Delivery: The delivery time is about 10-20 days after receiving the deposit.
VII). We have passed the LFGB, SGS, STC, HSL and some other tests.
VIII). We have a unity cooperation team.
Contact Person: admin