Leadstab<sup>®</sup> UV 234
Leadstab<sup>®</sup> UV 234
Leadstab® UV 234
Leadstab UV 234 is a high molecular weight, hydroxyphenyl benzotriazole class ultraviolet light absorber (UVA). It effectively absorbs UV radiation to ensure reliable light protection for plastics and elastomers.
CAS number: 70321-86-7
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Product Description
Chemical name : 2-(2'-hydroxy-3',5'-di-cumyl phenyl) benzotriazole
CAS number : 70321-86-7
Formula : C₃₀H₂₉N₃O
M.W. : 447
Chemical structure :  

Leadstab<sup>®</sup> UV 234

 

Specification

Appearance

Light yellow powder or granules

Melting point

137-141°C

Purity

99.0% min

Ash

0.10% max

Volatility

0.50% max

Transmittance

 

        @460 nm

97.0% min

         @500 nm

98.0% min

 

Application

Leadstab UV 234 is UV absorber for PP, SBS, footwear, SEBS, acetal, acrylic, PET, PMMA, PBT, PC, recommended for thin section and fiber applications, suitable for food contact applications.

 

Package

The packaging is net weight 20kg/25kg PE bag or carton box.

 

Storage

Store in original tightly closed container. Store away from incompatible materials.

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