UV Absorber 3638

Synonyms：

cyassorb 3638

T66 BVO ENJ DR D- DT66 BVO ENJ

2,2',6,6'-TETRABROMO BISPHENOL A DIMETHACRYLATE

EINECS 418-280-1

2,2'-(1,4-Phenylene)bis(4H-3,1-benzoxazin-4-one)

4H-3,1-Benzoxazin-4-one, 2,2'-(1,4-phenylene)bis-

MFCD00356293

 

Molecular Formula: C22H12N2O4

Molecular Weight: 368.342

SPECIFICATIONS AND PHYSICAL CHARACTERISTICS

TEST	UNIT	SPECIFICATION
APPEARANCE		WHITE TO OFF WHITE POWDER
VOLATILES	%	0.50MAX
ASH	%	0.10MAX
MELTING POINT	℃	310.00MIN
ASSAY	%	98.00MIN

TGA:   371℃（10%）
 
PRODUCT FEATURES AND APPLICATIONS
* UV 3638 is a new environmental benzoxazinone UV absorber has very strong absorption to both UVB and UVA Region with no color contribution which is particularly suitable for Optical and lens (PET and PC) industry and also LED diffusion platewhich has strict requirement for initial color
* UV 3638 has high thermal stability TGA（10%）371℃particular for industry of polyester Polycarbonate and Nylon which require both high processing temperature and strong absorbtion to Ultraviolet
* UV 3638 is FDA Approved additive for food contact packing material particular for PET
-Good compatibility with PET has no reaction in polymerization and no effect to physical properties
-High Thermal resistance Acid-bases resistance
-No degradation No migration No Oddor in both processing and stock period
* UV 3638 is suggested to be used in Polyester Film fiber and containers PolycarbonatePETG and PC Molding
 
PACKAGE
25KGCarton Box
HANDLING AND STORAGE
Keep container tightly closed and dry and storage in cool place
 

 

Our company is a professional supplier of functional material additives. Our products include antioxidants, ultraviolet absorbers, light stabilizers, photoinitiators, heat stabilizers, nucleating agents, flame retardants, polyurethane chain extenders, nano light absorbing materials, antibacterial materials, functional masterbatches, colorants etc. After years of steadfast industry accumulation and technological innovation, a relatively complete additive industry chain has been formed in the rubber and plastic industry, ink industry, coating industry, textile printing and dyeing industry, functional resin and other industries. Significant achievements have been made in the field of additives.