Material testing

TPP - DIN EN ISO 9151

by Dr.-Ing. Georg Wazau Mess- + Prüfsysteme GmbH

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The device is used to determine the heat transmission of flame exposure to protective clothing against heat and flames. A classification of materials can be made by comparing the determined heat transfer indices, which serve as a reference for the relative heat transfer under the specified test conditions. A specimen is placed in a specimen holder. A calorimeter is placed directly on the inside of the specimen. The soecimen is then exposed to a heat flow of 80±2 kW/sqm generated by a propane gas burner. The time required to raise the temperature at the specimen by 24 °C is measured.