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    3. Different materials shall be used for the inner lining roll of the spiral ring of the closed barrel according to the products contained by the user

      Time:2021/10/8 16:23:17views:

      The user can provide liners of different materials by the steel barrel supplier to conduct the compatibility immersion test under similar environmental conditions for storage and transportation for more than 1 month. After analyzing the swelling deformation, the user can determine and select the type of liner material.

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