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Free expansion rate instrument:
Classification：Other geotechnical products
Release date：2020/04/11
Product model：YUC.PZ-1
Product characteristics：Type A expansion rate tester is suitable for the free expansion rate of clay. The free expansion rate is the difference between the free accumulation volume of loose dry soil in water and air respectively and the free accumulation volume ratio in air.

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  1. Overview
    Type A expansion rate tester is suitable for the free expansion rate of clay. The free expansion rate is the difference between the free accumulation volume of loose dry soil in water and air respectively and the free accumulation volume ratio in air.
    II. Main structure:
     1. neckless funnel
     2. Earth cup
     3. stirrer
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