Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D4857-01
• Năm ban hành / Publication date: 2001
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determination of the Ability of Lubricants to Minimize Ring Sticking and Piston Deposits in Two-Stroke-Cycle Gasoline Engines Other Than Outboards
• Chỉ số phân loại Quốc tế (ICS) / By field: 75.100 - Chất bôi trơn, dầu công nghiệp và các sản phẩm liên quan
• Số trang / Page: 10
• Phạm vi áp dụng / Scope of standard: 1.1 This test method evaluates the performance of lubricants intended for use in two-stroke-cycle spark-ignition gasoline engines which are particularly prone to ring sticking. Piston varnish and spark plug fouling are also evaluated. 1.2 The values stated in SI units are the standard. The values given in parentheses are provided for information only. 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 and health practices and determine the applicability of regulatory limitations prior to use.