Expandable Microspheres for TPV Sealant JSYA-EM306 is multi-purpose thermally expandable microspheres with CAS 25103-68-8. Each microsphere adopts tough thermoplastic copolymer shell wrapping low-boiling hydrocarbon liquid core. When heated during extrusion or molding of TPV and rubber compounds, the internal hydrocarbon vaporizes, pressure rises, and the polymer shell expands to create fine, independent closed-cell foam inside elastomer matrix.
This grade features balanced expansion performa
Chemical Identity / TDSProduct Name: Expandable Microspheres for TPV Sealant JSYA-EM306 CAS No.: 25103-68-8 Shell: Thermoplastic copolymer shell Core: Encapsulated low boiling hydrocarbon blowing agent Physical Form: White ultra-fine powder Core Benefit: Thermal expandable microsphere blowing agent for lightweight TPV sealant and rubber seal gasket foaming
Key Performance
Applications
ComplianceExpandable polymer microspheres. TDS, MSDS, RoHS and REACH documents can be provided for export audit upon request.
Why Choose JSYShenzhen Jishengya Technology supplies factory direct Expandable Microspheres for TPV Sealant JSYA-EM306 CAS 25103-68-8. Our thermal blowing agent provides stable lightweight foaming solution for manufacturers of TPV sealant and rubber seal gaskets.

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