Rigid Mica Laminate
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ruby mica® rigid mica laminate is made by combining uncalcined muscovite or phlogopite mica-paper with an inorganic silicone-resin binder under specific heat and pressure. it has excellent rigidity, heat-resistance, moisture-resistance and di-electric properties. It is a completely asbestos-free and highly chemical-resistant insulation having low thermal-conductivity. It does not emit smoke or odor upon heating up. Since the binder plays a critical role in the overall product performance, the best commercially-available resin, with as much as 82% solid silicone content, is imported from germany for excellent results. muscovite mica paper-based material can withstand temperatures up to 600°c whereas, phlogopite mica paper- based material can withstand high temperatures up to 800°c. The product is iec 60371-3-3 compliant. a choice of epoxy resin is also available as a binder. ruby mica® epoxy rigid mica laminates have higher rigidity, highly-uniform surface profile and weatherproof properties when fully cured. However, the working temperature is limited to 250°c – 300°c. They are mainly used for commutator-segment insulation.
