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Inflatable Expandable Rubber Products: Mandrel, Pipe Plug & Core Mold Airbag for Water Conservancy Projects1
AirbagPipe Plug & Core Mold Airbag for Water Conservancy ProjectsInflatable MandrelRubber Inflatable Mandrel
Hengshui Aohong Engineering Materials Co., Ltd
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Product Description Product DescriptionInflatable mandrels, also known as bridge inflatable mandrels or rubber inflatable mandrels, are expandable and contractible cylindrical bladders made by vulcanizing rubber and fiber reinforcement. They are shaped by compressed air and replace traditional formwork for forming holes in hollow concrete components. This product utilizes a hot-pressing and vulcanizing process, resulting in a smooth, seamless surface that can withstand the heat and pressure of concrete pouring. It is suitable for projects such as bridges, roof trusses, docks, and culverts.Inflatable mandrels are made from a tough polymer material and are available in various cross-sectional shapes, including circular, oval, and rectangular. During construction, a pressure gauge is required to control the air pressure and secure the position. Cleaning and maintenance are required after demolding to extend the service life. This technology can shorten construction time by 20%, reduce carbon emissions by approximately 6.5 kg per square meter, and save on steel and formwork. Leaks should be repaired with a grinding wheel, and fiber tears can be covered and repaired with tape.Product ParametersBridge Rubber Inflatable MandrelProduct NameBridge Rubber Inflatable MandrelKeywordsRubber Inflatable Mandrel, Rubber AirbagMaterialEPDM, Butyl Rubber, etc.Shape and TypeOctagon, Oval, RoundSizeCustomizedColorBlackApplication ScopeTunnle/Culvert/Precast Beam ConstructionProduct ApplicationFAQQ1: Where is your factory?A1: Our factories are mostly located in Hebei, China.Q2: What's your MOQ?A2: Commonly our MOQ is one container, but different for some goods, pls contact us for details.Q3: What is your sample policy?A3: We can supply the sample if we have ready parts in stock, but the customers must pay the courier cost. All the sample costs will be refunded after you place the order.Q4: Do you test all your goods before delivery?A4: Yes, we would like the goods to be tested before delivery.Q5: All costs will be clear?A5: Our quotations are straightforward to understand. It won't cause any extra cost.
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