BS EN ISO 8990:1996 - Thermal insulation. Determination of steady-state thermal transmission properties. Calibrated and guarded hot box
Current
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BS EN ISO 8990:1996 is a British Standard (BS) that has been adopted as a European Standard (EN) and is also based on an International Organization for Standardization (ISO) standard. It deals with the determination of steady-state thermal transmission properties of thermal insulation materials and products using a calibrated and guarded hot box apparatus. Let's break down what this standard is about:
Thermal Insulation: This standard is primarily concerned with materials and products used for thermal insulation. Thermal insulation materials are used to reduce the transfer of heat between different areas or environments, such as keeping a building warm in the winter and cool in the summer.
Steady-State Thermal Transmission Properties: It focuses on determining how effectively a thermal insulation material or product resists the flow of heat when it reaches a stable or steady state. In other words, it assesses how well the insulation can maintain a consistent level of thermal resistance over time.
Calibrated and Guarded Hot Box: The testing method described in this standard involves the use of a specialized apparatus called a "calibrated and guarded hot box." This apparatus is designed to measure the thermal properties of insulation materials under controlled conditions.
