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Light Stabilizer Sunuvin 400

Quantity:
  • 400
  • Sunuvin

Chemical name :

2-[4-[(2-Hydroxy-3-dodecyloxypropyl)oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylph enyl)-1,3,5-triazine   and 2-[4-[(2-Hydroxy-3-tridecyloxypropyl)oxy]-2-hydroxyphenyl]-4,6-bis(2,4-dimethylphe nyl)- 1,3,5-triazine 


CAS number

Active substance: 153519-44-9 
1-Methoxy-2-propanol: 107-98-2 


Description

Sunuvin 400 is a liquid hydroxyphenyl-triazine(HPT) UV absorber which provides excellent performance in coatings.

Sunuvin 400 is designed to fulfill the high performance and durability needs of waterborne, solvent borne and 100% solids automotive and industrial finishes. Its low color and stability make it an excellent choice for all coatings where low color characteristics are ideal for use in combination with the newest generation photoinitiators to provide durable UV clear coats. 


Sunuvin 400 has been developed as an interaction-free UV absorber for use in amine and /or metal catalyzed coating systems and coatings applied on base-coats or substrates containing such catalysts.

 

Properties

·          Very high thermal stability and performance for coatings exposed to extreme environmental conditions 


·          Hydroxyl functionality to minimize migration 


·          High photo stability for long life performance 


·          High concentration for maximum efficiency 


 

Applications 

Sunuvin 400 is recommended for both solvent and waterborne automotive OEM and refinish coating systems, UV cured coatings, industrial coatings where long life performance is essential.

The protective effects of Sunuvin 400 can be enhanced when used in combinations with a HALS light stabilizer such as Sunuvin 123 or Sunuvin 292. These combinations improve the durability of clear coats by retarding gloss reduction, delamination, cracking and blistering.

The amount of Sunuvin 400 required for optimum performance should be determined in trials covering a concentration range.

 

Recommended Concentration

1.0-3.0% Sunuvin 400
+0.5-2.0% Sunuvin 123 or Sunuvin 292

 

Safety & handling

The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool, dry, well ventilated area away from incompatible materials.

 

Shelf-life

At least 2 years when stored in cool and dry conditions, in the original sealed containers

 

Packaging

25kg drum


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