Optical Brightener ER330-H for polyester fiber

Chemical Name: 1,4′-bis(2-cyanostyryl) Benzene

Molecular Formula: C24H16N2

Molecular Weight: 332.4

Structure:

C.I. NO:199

CAS Number: 13001-39-3

Specification   

Appearance：Light yellow liquid

Ion：Non-ionic

PH value(10g/l)：6.0～9.0

Content: 24% -26%

Characteristics

Excellent fastness to sublimation.

Reddish color shade with strong fluorescence.

Good whiteness in polyester fiber or fabric.

Application

Suitable in the polyester fiber, as well the raw material of making paste form brightening agent in textile dyeing…

Method of use

Padding process

Dosage: ER330-H 3～6g/l for pad dyeing process, procedure: one dip one pad( or two dips two pads, pick-up: 70%)  →drying→ stentering(170～190℃30～60seconds).

Dipping process

ER330-H:0.3～0.6%(o.w.f)

Liquor ratio: 1:10-30

optimum temperature: 100-125℃

Optimum time: 30-60min

For getting the optimum effect for application, please try on suitable condition with your equipment and choose the suitable technique.

Please try for compatibility, if using with other auxiliaries.

Package and Storage

Package as customer

The product is non-hazardous, chemical properties stability, be used in any mode of transport.

At room temperature, storage for one year.

Important hint

The above information and the conclusion obtained is based on our current knowledge and experience, users should be according to the practical application of different conditions and occasions to determine the optimal dosage and process.