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Applications of optical brightening agent er-i. fluorescent brightener 199 (optical brightening agent er-i) is very suitable for whitening and brightening polyester fiber and has good whitening effect on plastics such as pe, pp and pvc and their process of shaping with polyester chips or recovered polyester chips. in addition, the refined ...

The whitening effect of optical brightener agent could be estimated by visual method which better under the sunlight or measure by colorimeter. 3.light fastness there is no international standard for testing optical brightener lightfastness in plastics.most tests used din 54004 for reference.

Optical brightening agent cxt is packed per 25kg in cardboard box or drum after being packed in plastic bag first. we have rich experiences in exporting and importing. we have good cooperation with world wide express like dhl, ups etc and also shipping line to ensure the samples and goods can be reach to the cutomers at soonest speed. 4.

About. day-glo color corp. is the world’s largest manufacturer of daylight fluorescent pigments. we develop technologies that improve and enhance any color.

Given that the firm established, we've been committed to export OB 1 fluorescent brightener for textile in China sales and service, we've regularly adhering to the "quality initial, service first" company philosophy to serve our prospects and generally put this philosophy throughout our export OB 1 fluorescent brightener for textile sales and after-sales service. We are among the list of most effective and in depth marketplace network of modern integrated export OB 1 fluorescent brightener for textile solution sales business. Welcome your inquiry!


Our company primarily engaged and export export OB 1 fluorescent brightener for textile. we depend on strong technical force and continuously develop sophisticated technology to meet the demand of export OB 1 fluorescent brightener for textile prospects. We're sincerely welcome mates from a variety of circles at household and abroad come to cooperate!

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