China OEM Uvitex OB - Optical Brightener ER-1 – Subang

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China OEM Uvitex OB - Optical Brightener ER-1 – Subang Detail:

Structural formula

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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"Based on domestic market and expand abroad business" is our enhancement strategy for China OEM Uvitex OB - Optical Brightener ER-1 – Subang , The product will supply to all over the world, such as: panama, Israel, Turkmenistan, We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end goods, to do experienced products and solutions.

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