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PI TPO

Molecular Formula：C22H21O2P
Molecular Weight：348.4
Appearance: white to light yellow powder
Ashes: 0.1%max
Melting point: 91.0-94.0℃
Volatility: 0.2%max
Assay: 98.0%min
Transmittance(10g/100ml in methyl benzene):
425nm： ≥98.0%
500nm： ≥99.0%
CAS NO: 75980-60-8

Usage

PI-TPO is photo-initiator for curing styrene-based unsaturated polyesters and acrylic resins. It also provides high reactivity and depth cure. Such coating are characterized by particular low yellowing.PI TPO can be used to cure clear coating as well.

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Photoinitiator
Resin

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