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ASTM D5672/D5672M Standard Test Method for Testing Flexible Cellular Materials Measurement of Indentation Force Deflection Using a 25-mm [1-in.] Deflection Technique
ASTM D5672/D5672M采用25 mm (1 in.) 挠曲技术试验压痕力挠曲的柔性多孔材料测量的标准试验方法
适用范围
Scope：
This test method covers a screening type quality control test used to determine if flexible polyurethane foam cushions are within the specified grade range for firmness. This test method is limited to foams with thicknesses that are 75 mm [3 in.] or greater.
引用文件
ASTM D3574 Test Methods for Flexible Cellular Materials—Slab, Bonded, and Molded Urethane Foams
ASTM E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ISO 2439 Flexible Cellular Polymeric Materials—Determination of Hardness (Indentation Technique)
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出自：GF2022