inflatable forms used for precast products, bridge beams, precast panels, bridge elements

inflatable forms used for precast products, bridge beams, precast panels, bridge elements RUBBER BALLOON Inflatable rubber balloon, also called pneumatic rubber air bag, is used for making concrete pre-casting formwork projects in culvert bridge construction. rubber inflated culvert form, pneumatic tubular form, culvert balloon, rubber balloon, pneumatic tubular formwork Material: Rubber balloon is made from natural rubber and fabric. In general, rubber balloon is formed by