BS EN 2155-9:1989 - Specification for test methods for transparent materials for aircraft glazing - Determination of haze
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BS EN 2155-9:1989 is a European Standard that outlines test methods for evaluating transparent materials used in aircraft glazing, specifically focusing on the determination of haze. Haze is a measure of the cloudiness or haziness of a transparent material, indicating the presence of dispersed particles or surface irregularities that can affect visibility through the material.
The standard likely provides detailed procedures and guidelines for conducting tests to quantify the level of haze in transparent materials. This may include specifications for sample preparation, measurement equipment, environmental conditions, and data analysis techniques.