Standard Test Methods for Physical Testing of Gypsum Panel Products
NORMA vydána dne 1.10.2019
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Designation standards: ASTM C473-19
Publication date standards: 1.10.2019
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
These test methods cover the physical testing of gypsum panel products. The test methos appear in the following order: (1) flexural strength (Method A); (2) core, end, and edge hardness (Method A); (3) nail pull resistance (Method A); (4) humidified deflection; (5) end squareness; (6) nominal thickness; (7) recessed- or tapered-edge depth; (8) width; (9) length; (10) water resistance of core-treated water repellant gypsum panel products; and (11) surface water resistance of gypsum panel products with water-repellant surfaces. For use in these test methods, a sample shall consist of gypsum panel products. Flexural properties of gypsum panel products are evaluated by supporting the specimen near the ends and applying a transverse load midway between the supports. The core, end, and edge hardness of gypsum panel products is evaluated by determining the force required to push a steel punch into the area of test. The ability of gypsum panel products to resist nail pull-through is evaluated by determining the loaded required to push a standard nail head through the product. The humidified deflection of gypsum panel products is evaluated by supporting a specimen that has been cut with the long dimension perpendicular to the machine detection, supported horizontally, and subjected to high humidity.
Keywords:
absorption testing, core hardness testing, dimension measurements, edge hardness testing, end hardness testing, flexural strength, gypsum panel products, humidified sag, nail pull testing,, ICS Number Code 91.060.10 (Walls. Partitions. Facades), 91.100.10 (Cement. Gypsum. Lime. Mortar)