UV ABSORBER PR25 CAS NO.7443-25-6

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Product
UV ABSORBER PR25 CAS NO.7443-25-6
Posting date : Dec 03, 2020
Membership
Free Member Scince Mar 25, 2019
FOB Price
NEGOTIABLE
Min. Order Quantity
1KG
Supply Abillity
50MT/MONTH
Port
SHANGHAI
Payment Terms
T/T
Package
25KG/BAG
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Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
HOSORB
Model Number
PR25
HS-CODE
2933-99
Package & Delivery Lead Time
Package
25KG/BAG
Delivery Lead Time
5 DAYS
Detailed 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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