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Company: Guangzhou Chengshuai New Material Co., Ltd.
No.10,Jiqingxiang, Shiyicun, Shilou Town, Panyu, Guangzhou
Guangzhou 511440
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Date/Time:  5/16/21 12:52 GMT


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

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

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