How the microspheres look like.How the microspheres look like.

BJO-0930 Phenoset Microspheres

Phenoset Microspheres are fully cured thermoset phenolic materials, used as void-fillers and weight reduction for composite parts for aerospace, automobile, marine industries.


Phenoset Microspheres are fully cured thermoset phenolic materials used for weight reduction and as a functional filler in aerospace, automobile, marine and other composites.



    • Small and individual hollow spheres
    • Fully reacted and cured thermoset polymer
    • Lightweight
    • Mechanically strong
    • Low thermal conductivity
    • Primarily used as a specialty filler
    • Reddish brown-purplish



    • Syntactic Foam
    • Abrasives
    • Coatings/Adhesives
    • Thermosetting Putty
    • Construction Materials
    • Sporting Goods
    • Oil Exploration



    • Excellent compatibility with epoxy, polyester and polyurethane resins
    • High compressive strength
    • Excellent machinability
    • Quality finishing
    • Increased stiffness
    • Improved crack resistance
    • No spark upon abrasion
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