UV Absorber UV-1988 CAS NO.: 7443-25-6
Chemical Name: dimethyl (p-methoxy benzylidene)malonate
CAS No.:7443-25-6
Structure:
Technical index:
|
ITEM |
STANDARD (BP2015/USP32/GB1886.199-2016) |
|
Appearance |
White powder |
|
Purity |
≥ 99% |
|
Melting Point |
55-58℃ |
|
Ash Content |
≤ 0.1% |
|
Volatile Content |
≤ 0.5% |
|
Transmittance |
450nm≥98%,500nm≥99% |
|
TGA(10%) |
221℃ |
Application: UV1988 is recommended for use in PVC, polyesters, PC, polyamides, styrene plastics and EVA copolymers. It also can be used in solvent borne coatings and general industrial coatings. Furthermore, it is particularly recommended for UV cured systems and clear coating.
Performance Benefits: UV1988 is characterized by:
- Minimal color contribution
- Excellent light stability
- Superb compatibility with polymers and other additives
Packing and Storage:
Package: 25KG/BARREL
Storage: Stable in property, keep ventilation and away from water and high temperature
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