Posted on 27/07/2021 in Electric & Electronic Building & Construction Transport Furniture & Textiles 2021
Higher temperature expandable graphite

NeoGraf Solutions’s new expandable graphite offers onset temperature over 270°C enabling new applications. The new grade, with particle size of 300 microns, plastics can be used as a PIN flame retardant in plastics including polypropylene, polystyrene, PET, polyamides and ABS for injection moulding and thermoforming, including composites. Applications include transportation, aviation, electronics, building and construction, seals and gaskets. A limitation is the black colour. Expandable graphite acts by forming in fire an intumescent char layer that protects the base polymer from the heat of the flames. NeoGraf recommends combination with magnesium hydroxide (MDH) which offers comparable processing temperatures.

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