Light Stabilizer UV-2908 CAS NO 67845-93-6

Light Stabilizer UV-2908 CAS NO 67845-93-6

Applications
It is a benzoate-type light stabilizer recommended for use in combination with HALS and (optionally) UV absorbers in polyolefins. Potential applications include polypropylene and TPO thick-section parts and polyethylene (HDPE, LLDPE, LDPE) moldings, films, and tapes.

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Product Details

Light Stabilizer UV-2908 CAS NO 67845-93-6

For polyolefins,recommended for use together with HALS and UV absorbers,FDA approved for use in polyolefins

 

It is a benzoate-type light stabilizer recommended for use in combination with HALS and (optionally) UV absorbers in polyolefins. Potential applications include polypropylene and TPO thick-section parts and polyethylene (HDPE, LLDPE, LDPE) moldings, films, and tapes.

 

Product Name: 

Light Stabilizer UV-2908

 

Chemical Name: 

3,5-di-t-butyl-4-hydroxybenzoic acid, hexadecyl ester

 

CAS NO.: 

67845-93-6

 

Molecular Formula:

C31H54O3

 

Molecular Weight: 

474.76

 

Chemical structure:

      35.png

 

Synonyms:

UV absorber 2908

Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate

 

Typical properties

Item

Specifications

Appearance

White powder

Purity

≥98.5%

Melting point

55℃~65℃

 

 

Applications

It is a benzoate-type light stabilizer recommended for use in combination with HALS and (optionally) UV absorbers in polyolefins. Potential applications include polypropylene and TPO thick-section parts and polyethylene (HDPE, LLDPE, LDPE) moldings, films, and tapes.

Some combinations for reference:

1. It  is recommended for thick-section polypropylene applications.

2.Light Stabilizer UV-2908+UV 531(CAS NO.:1843-05-6)

3.Light Stabilizer UV-2908+UV 326(CAS NO.:3896-11-5)

4.Light Stabilizer UV-2908+UV 944 CAS NO.: 70624-18-9(US) or 71878-19-8(EU)

5.Light Stabilizer UV-2908+UV 783(UV 622(CAS NO. 65447-77-7)+UV 944(CAS NO.: 70624-18-9(US) or 71878-19-8(EU))  

These combinations generally give superior performance as compared to HALS or UV absorber used alone.

Recommended concentrations in polyolefins range from 0.1 to 0.5%.

 

Features

l  Non-discoloring and low volatility

l  Offer good solubility/migration balance

l  Excellent compatibility with polyolefins, resistant to extraction and migration

l  Shows very good compatibility with UV absorbers,HALS and thioesters

l  Provides excellent light stability to polyolefins and other plastics when used in combination with HALS and (optionally) UV absorbers

l  Approved by FDA for use in polyolefins

 

Package:

20kgs or 25kgs/carton box or paper drum;or as customer’s request;

 

Storage:

Store in dry,cool & shady place.Keep package tightly closed when not in use.

 

Transportation:

It is not dangerous goods according to transportation regulation.

 

Shelf life:

2 years from manufacture date in sealed original package under suitable storage condition

 

Lead time: 

prompt


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