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UV ABSORBER UV PR-25   CAS NO.7443-25-6 1
  • UV ABSORBER UV PR-25   CAS NO.7443-25-6 1

UV ABSORBER UV PR-25 CAS NO.7443-25-6

Model:PR-25
Brand:-
Origin:Made In China
Category:Chemicals / Chemical Auxiliary & Catalyst / Chemical Auxiliary
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Min. Order:1 KG
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Product Description

Chemical name: Propanedioic acid, [(4-methoxyphenyl)-methylene]-dimethyl ester
CAS No.: 7443-25-6                            
Molecular formula: C13H14O5
Molecular weight: 250                              
Molecular structure

 

Specification                                                                    
Appearance: White to crystalline powder
Assay, %: ≥99
Melting point,℃: 55-59℃
Loss on Drying, %: ≤0.5
Transmittance: 425nm≥95%
             500nm≥96%


Application                                                                       
UV ABSORBER UV PR-25 exhibits excellent absorbtion especially in the UVB-range. It is colorless and even in high concentration in the resin does not lead to any discoloration. It doesn’t form colored complexes with metal ions. Recommended for use in PVC, polyesters, PC, polyamides, styrene plastics, EVA copolymers, and cellulosics, particular in rigid PVC materials. 
It can be also used in solventborne coatings and general industrial coatings where stabilization requirements remain moderate.It is particularly recommended for UV cured systems and clear coats where colour neutrality is essential. 


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UV ABSORBER UV PR-25   CAS NO.7443-25-6 1
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