inflatable concrete forms, inflated concrete forming

inflatable concrete forms, inflated concrete forming Inflatable concrete forms, 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: Inflatable form is made from natural rubber and fabric. In general, rubber balloon is formed by three layers(1+2=2layers