This new resin for heat-resistant molded parts is solvent-free
Summary
WACKER has introduced POWERSIL Resin 710, a solvent-free silicone resin compound engineered for heat-resistant molded parts capable of sustained operation above 200°C. The material qualifies for thermal class R components and supports multiple production methods including compression molding, pressure gelation, and injection molding. The solvent-free formulation eliminates VOC-related processing steps that are common in conventional silicone resin systems.
Why It Matters
For molding operations serving electrical, automotive, and industrial equipment sectors, this material addresses two simultaneous process pain points: thermal performance requirements and environmental compliance. Thermal class R certification (220°C continuous) opens the door for use in motor insulation, switchgear components, and under-hood automotive assemblies where long-term thermal stability is a qualification requirement. More operationally significant is the solvent-free chemistry — traditional solicone resin systems require controlled solvent evaporation stages, ventilation infrastructure, and VOC handling protocols that add cycle time, capital cost, and regulatory burden. Eliminating solvents can streamline the production process, reduce scrap from incomplete solvent outgassing, and simplify facility permitting. Compatibility with injection molding — not just compression molding — also means this material can slot into higher-throughput, more automated production lines, which is a meaningful consideration for shops looking to scale without adding floor space or labor.