ASTM-C471

Chemical Analysis of Gypsum and Gypsum Products (Metric)

Applicability: ASTM C471 is a standard test method for the chemical analysis of gypsum and gypsum products, covering both free and combined water content, and other chemical components.

Purpose: ASTM C471 covers the chemical analysis of gypsum and gypsum panel products, including gypsum ready-mixed plaster, gypsum wood-fibered plaster, and gypsum concrete. The standard provides procedures for determining the chemical composition, including free and combined water content, of gypsum and gypsum-based materials.