Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM C471M
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)
• Chỉ số phân loại Quốc tế (ICS) / By field: 91.100.10 - Xi măng. Thạch cao. Vữa
• Số trang / Page: 18

Phạm vi áp dụng / Scope of standard

These test methods cover the chemical analysis of gypsum and gypsum panel products, including gypsum readymixed plaster, gypsum wood-fibered plaster, and gypsum concrete.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in these test methods.

These text of this test method references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

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.

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.