Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM C455-07(2018)
• Năm ban hành / Publication date: 2018
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Classification of Chrome, Chrome-Magnesia, Magnesia-Chrome, and Magnesia Brick
• Chỉ số phân loại Quốc tế (ICS) / By field: 81.080 - Vật liệu chịu lửa
• Số trang / Page: 2
• Phạm vi áp dụng / Scope of standard: 1.1 This classification categorizes machine-made refractory brick defined as chrome, chrome-magnesia, magnesia-chrome, and magnesia brick (see 3.1). It does not cover products made from electrically fused magnesium oxide or products made by fusion casting. Its purpose is to describe classes distinguished by obvious differences in magnesium oxide (MgO) content except for chrome brick. 1.2 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. 1.3 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.