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Recommended products:Zhiyi Specialty Chemmicals YISTAB® UV-1

2025年03月03日09:34 來源:無

Introduction

N-(Ethoxycarbonylphenyl)-N'-Methyl-N'-Phenylformamidine

C17H18N2O2.

Molecular weight:282

CAS NO.:57834-33-0

寰俊鍥劇墖_20250303092936.png

UV-1.png

PhysicalAppearance:Pale yellow clear liquid

Assay, % :≥98.5

Color code (25 ℃):≤2.5

Melting Point,℃:27-28

Specific Gravity:1.127

124.png

Applications

YISTAB® UV-1 is liquid formamidine ultraviolet absorber. The effective UV absorptivity is in the region 240-350nm. The biggest absorption peak is 308nm.It can almost entirely absorb the ultraviolet radiation in the regin 300-330nm. The polyurethane is easy to degrade due to the radiation of this wave range. So it has excellent light stability for the polyurethane products like flexible foam, rigid foam, elastomer, artificial leather, adhesive and coating etc. It prevents the aging and improves the color stability to prolong the service life ofthe products.


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