Dust is an inevitable feature of processes where milled, powdery material is pressed into sheets and panels. The manufacture of thermal insulation panels from vermiculite is no exception. Expanded vermiculite is an environment-friendly, non-brous material ideal for making insulation, which withstands temperatures up to 1200 °C. It is widely used in house building and as an insulation in foundries, waste incinerators, power stations and other industrial applications. Kramer Progetha GmbH & Co. KG in Düsseldorf has specialised in thermal insulation for more than fty years. Today, the company's product range includes expanded vermiculite panels measuring 30 x 30 cm. These are cut from large, pressed sheets and then trimmed and deburred. A suction nozzle tted with a brush attachment and mou

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