Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D3769-20
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Microcellular Urethanes¿¿¿High-Temperature Sag
• Chỉ số phân loại Quốc tế (ICS) / By field: 83.100 - Vật liệu xốp
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers the procedure and apparatus for measuring high-temperature sag of microcellular urethane materials. 1.2 The values stated in SI units are to be regarded as 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 1: There is no known ISO equivalent to this standard. 1.4 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.