water stop belt is used in concrete deformed joint, construction joint, immersed tunnel joint, totally and partly pour in or on surface of concrete, in order to prevent from leaking.

test item including tension strength of water stop belt, breaking elongation, tearing strength, adhesive strength of rubber bond with metal and rubber bond with cloth, type A shore durometer, permanent compression deformation, brittleness temperature, mature in hot air, mature in ozone. water stop belt tension testing machine is used to test tension strength, breaking elongation, tearing strength, adhesive strength of rubber bond with metal and rubber bond with cloth.