Product - UV STABILIZER MASTERBATCH
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Exposure to sunlight and some artificial lights can have adverse effects on the useful life of plastic products. UV radiation can break down the chemical bonds in a polymer. This process is called photodegradation. It ultimately causes cracking, chalking, color changes and the loss of physical properties.
 
 
To counteract the damaging effect of UV light, UV stabilizers are used to solve the degradation problems associated with exposure to sunlight. UV stabilizers can be categorized by two general classifications - ultraviolet light absorber (UVA) and hindered amine light stabilizers (HALS). HALS are extremely efficient stabilizers against light- induced degradation of most polymers. They do not absorb UV radiation, but act to inhibit degradation of the polymer. Significant levels of stabilization are achieved at relatively low concentrations. HALS high efficiency and longevity are due to a cyclic process wherein the HALS are regenerated rather than consumed during the stabilization process.
 
Sunlight intensity and composition varies according to latitude, atmospheric effects etc. so it is important that the additive (or more normally the combination of additives) is selected to suit the exact application. It is therefore important to identify where in the world a final product will be used and the required life span.
 

APPLICATIONS:

       
Blown Film Injection Moulding
       
Blow Moulding Sheet Extrusion
       
Films and Sheets Profile Extrusion
       
Cast Film    
       
 
 
 

 

 

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