FIELD: light industry. SUBSTANCE: specimen, formed by fabric or stack of fabric, is heated, then blown by air flux. Changes in temperature are measured, as temperature may change depending on thickness of fabric. Thermal resistance of the specimen is measured. Heat-shield properties of the specimen are judged from the value of heat resistance, when non-stationary mode of heating is used. EFFECT: improved precision of measurement. 2 cl, 2 dwg
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