1. What is a water and oil repellent filter bag? Waterproof and oil proof filter bag means that the filter material is not wet by water or oil to a certain extent. Theoretically, whether liquid B can wet solid A depends on the surface tension of the liquid and the critical surface tension of the… Continue reading What is a dust filter bag with water repellent, oil proof? What are the advantages of water and oil repellent filter bags?
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