Leading Manufacturer for Whitening Additive - Optical Brightener ER-1 – Subang

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We usually believe that one's character decides products' high quality, the details decides products' excellent ,with the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for Optical Brightener Vbl, Optical Brightener 351, Fluorescent Whitening Agent BA, Our tenet is "Reasonable prices, efficient production time and best service" We hope to cooperate with more customers for mutual development and benefits.
Leading Manufacturer for Whitening Additive - Optical Brightener ER-1 – Subang Detail:

Structural formula

1

C.I:199

CAS NO. :13001-39-3

Appearance: light yellow powder

Purity:  ≥99%

Melting point:  230-232℃

Feature

It is of the stilbene benzene type and is easily soluble in many organic solvents. Stable to cationic softener. The light fastness is S grade and the washing fastness is excellent. It can be used in the same bath with sodium hypochlorite, hydrogen peroxide and reducing bleach. The product is a light yellow-green dispersion which is non-ionic. It is obtained from the condensation of terephthalaldehyde and o-cyanobenzyl phosphonic acid one (), (7′ one’ ethyl ester [} R 2-(diethoxy phthalomethyl) benzonitrile].

Application: It is mainly used for whitening polyester, acetate, nylon, etc. Good whiteness for both dip dyeing and pad dyeing. The effect of whitening polyester by low-temperature adsorption and fixing method is also very good.

Instructions

Add the optical brightener ER-1 fine powder together with polyester chips and other additives into the blender. The recommended dosage is 0.02-0.08% (to the polyester weight ratio). The specific dosage can be determined according to the whiteness requirements of the finished product. , Mix well at 50-150℃.

Package

25kg fiber drum,with PE bag inside or as customer’s request.

Shelf life

2 years.


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    5 Stars By Hedy from Angola - 2018.06.30 17:29
    Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
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