Tiêu chuẩn quốc tế

Số hiệu Standard Number ASTM E1477-98a(2017) Năm ban hành 2017 Publication date Tình trạng W - Hết hiệu lực Status
Tên tiếng Anh Title in English Standard Test Method for Luminous Reflectance Factor of Acoustical Materials by Use of Integrating-Sphere Reflectometers
Chỉ số phân loại Quốc tế (ICS) By field 17.180 - Quang học và các phép đo quang học 17.180.20 - Mầu sắc và đo ánh sáng 91.120 - Bảo vệ nhà và bảo vệ bên trong nhà 91.120.20 - Cách âm. Chống rung
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Phạm vi áp dụng Scope of standard 1.1 This test method covers the measurement of the luminous reflectance factor of acoustical materials for use in predicting the levels of room illumination. 1.2 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. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.