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Everstab 531 is an UV-absorber for PP, PE, PVC, acrylic polymers, polycarbonate, EVA and polyesters etc

Functions: UV Absorber

Chemical Family: Benzotriazoles

Compatible Polymers & Resins: Acrylics, Ethylene Vinyl Acetate (EVA), Poly(Methyl Methacrylate) (PMMA), Polyesters, Polyethylenes (PE), Polypropylenes (PP), Polyvinyl Chloride (PVC)

Features: UV Absorbing

End Uses: Film, Flexible Packaging, Rigid Films, Rigid Packaging

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions

Features & Benefits

Materials Features

Applications & Uses

Applications

It is an UV-absorber for PP, PE, PVC, acrylic polymers, polycarbonate, EVA and polyesters etc.

Properties

Physical Form
Appearance
Pale Yellow Crystalline Powder
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight326.0
Assay by GCmin. 99.0%
Melting point47-49°C
Loss on Dryingmax. 0.5%
Ash Contentmax. 0.1%

Technical Details & Test Data

UV Absorption Spectrum (0.007 g/1000 ml Methanol)

λ242 nm  ε=17,088

λ289 nm  ε=24,821

λ324 nm  ε=16,810

Packaging & Availability

Packaging Type
Packing

20 Kgs net/carton.

Storage & Handling

Storage

Shelf life for at least 2 year when it’s stored in closed containers in room temperature and dry conditions.