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HALS & UVA

HALS & UVA

5326

Light stabilizer

 

Chemical Name: 2-(2’-Hydroxy-3’-tert-5’-methylphenyl)-5-chlorobenzotriazole

CAS No.: 3896-11-5

Structure:

     

Molecular Formula: C17H18N3OCl

Molecular Weight: 316

Specifications:

 

ITEMS

UNIT

TECHNICAL INDEX

Appearance

-

Pale yellow powder

Volatiles

%

≤0.5

Melting point

138~141

Assay(HPLC)

%

≥99

Transmittance

%

460 nm: ≥96

500 nm: ≥97

 

 

Application:

5326 is especially suited for polyolefins and cold cured polyesters.It has a wide range of indirect food appr in polyolefins. It has a low volatility at high temperatures and high resistance to thermal degradation and c therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes. In the use for the UV protection of polyester resins, 5326 does not form colored complexes wit metallic salts used for the curing process of these resins.

 

Packaging and Storage:

25kg/carton or according to customer’s request.

Store the product in a cool, dry, well ventilated area away from incompatible materials. Unless stated, proper storage will permit usage of the product for 6 to 12 months from the date of receipt.

 

 


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