Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D2444-99
• Năm ban hành / Publication date: 1999
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
• Số trang / Page: 8
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers the determination of the impact resistance of thermoplastic pipe and fittings under specified conditions of impact by means of a tup (falling weight). Three interchangeable striking noses are used on the tup, differing in geometrical configuration. Two specimen holders are described. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are provided for information purposes only. 1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.