Plastic Limit Testing Tools

Plastic Limit Testing Tools

Plastic limit is a test that involves rolling out a thread of the fine portion of a soil on a flat, 无孔的表面. The procedure is defined in ASTM Standard D4318. If the soil is at a moisture content where its behavior is plastic, this thread will retain its shape down to a very narrow diameter. The sample can then be remolded and the test repeated. As the moisture content falls due to evaporation, the thread will begin to break apart at larger diameters. The plastic limit is defined as the moisture content where the thread breaks apart at a diameter of 3.2 mm (about 1/8 inch). A soil is considered non-plastic if a thread cannot be rolled out down to 3.2 mm at any moisture possible.

For more information about 洪堡's 界限含水量 products, or to learn more about liquid limit and plastic limit of soils, 下载 界限含水量 Testing datasheet1点给我们打电话.800.544.7220或使用我们的 问洪堡 form.

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