Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM F450-01(2005)
• Năm ban hành / Publication date: 2005
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Methods for Vacuum Cleaner Hose - ;Durability and Reliability (Plastic Wire Reinforced)
• Chỉ số phân loại Quốc tế (ICS) / By field: 97.080 - Thiết bị lau chùi
• Số trang / Page: 6
• Phạm vi áp dụng / Scope of standard: 1.1 These test methods cover the determination of the effect of anticipated stresses and strains that vacuum cleaner hoses will receive in normal use.1.2 These test methods apply to plastic, wire-reinforced, nonelectric vacuum cleaner hoses for household use.1.3 The following tests are included: SectionTorsional flex6Hot and cold flex with aging7Abrasion, external surfaces8 Flex9Pull test on hose fittings with aging10Crush111.4 These test methods are individual tests as agreed upon between the hose and vacuum manufacturer.1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathmatical conversions to SI units, which are provided for information only and are not considered standard.1.6 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.