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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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SpeedCure PBZ

Technical Datasheet | Supplied by Lambson
SpeedCure PBZ by Lambson is a 4-phenylbenzophenone. Acts as a photoinitiator. Upon UV irradiation, it forms a chemically reactive state capable of hydrogen abstraction from an amine synergist. The free radical from the amine provides very efficient initiation of suitable resins. Exhibits a faster cure than benzophenone. Has low odor and little photo yellowing. It absorbs at longer wavelengths than benzophenone. SpeedCure PBZ by Lambson is recommended for adhesives. Suggested levels of use are 0.5 – 3% w/w Speedcure PBZ together with 2 – 5% w/w Speedcure EDB or DMB.
Product Type
Chemical Composition
CAS Number
SpecialChem additionnal informations based on CAS Number : 2128-93-0

Hansen Solubility Parameters

[19.9, 4.9, 3.4]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with SpeedCure PBZ. A practical determination of these HSP values would provide higher certainty. Learn More.

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