ASTM E1980表面太阳光反射系数测试

ASTM E1980 Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces.
ASTM E1980 水平和低倾斜不传热表面太阳光反射系数的计算规程。ASTM E1980标准通过太阳光反射系数Solar Reflectance Index (SRI)来评定产品性能。更多关于美标ASTM E1980太阳光反射系数测试，请咨询南京睿督公司咨询电话：025-8658 3475。

1.1 This practice covers the calculation of the Solar Reflectance Index (SRI) of horizontal and low-sloped opaque surfaces at standard conditions. The method is intended to calculate SRI for surfaces with emissivity greater than 0.1.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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