Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D7744/D7744M-20
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Methods for Tensile Testing of High Performance Polyethylene Films
• Chỉ số phân loại Quốc tế (ICS) / By field: 83.180 - Chất kết dính
• Số trang / Page: 8
• Phạm vi áp dụng / Scope of standard: 1.1 These test methods cover the tensile testing of high performance polyethylene films. The methods include testing procedure only and include no specifications or tolerances. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.3 This standard includes the following test methods: Section Breaking Force 11 Breaking Tenacity 12 Toughness at Break 17 Elongation at Break 13 Force at Specified Elongation (FASE) 14 Linear Density 10 Modulus 15 Work-to-Break 16 1.4 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. 1.5 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.