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The Universal Selection Source:
Polymer Additives

Milestab 3638

Technical DataSheet | Supplied by MPI Chemie

2,2-(1,4-phenylene)bis((4H-3,1-benzoxazine-4-one). Acts as a light stabilizer. It prevents the oxidation, chain fission, uncontrolled recombinations and cross-linking reactions that are caused by photo-oxidation of polymers. It dissipates the absorbed light energy from UV rays as heat by reversible intramolecular proton transfer. This reduces the absorption of UV rays by the polymer matrix and hence reduces the rate of weathering.

Milestab 3638 Product details

Product Type
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Chemical Composition
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CAS Number
18600-59-4
Physical Form
Powder
Appearance
White to off-white, crystalline
Product Status
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Labels/Agency Rating
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Milestab 3638 Properties

Property

Value & Unit
Test Condition
Test Method
Assay (HPLC)
xxxx %
Melting point
xxxxx °C
Volatile content
xxxxx %
Ash content
xxxxx %
Sodium content
xxxxx ppm
Last edited Dec 18, 2017
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