Inflatable culvert rubber airbag, is also called pneumatic rubber airbag, rubber air bladder, inflatable rubber balloon, rubber core mold, mandrel etc. It is used for concrete pre-casting formwork projects in culvert bridge construction. Material: It is comprised by rubber mandrel, a three-way valve and a 0.1mpa pressure gage. The rubber
Culvert construction Pneumatic Balloons Rubber Inflated Mandrel Rubber inflatable balloon is polymer composite materials processing product, it is the use of high-strength synthetic fiber fabrics withstand the force skeleton, inside and outside the vulcanized synthetic rubber adhesive protective layer of tape to do, according to the design dimensions of a high temperature curing