Widely used in: 1, automobile, motorcycle exhaust muffler, and tank. 2, furnace, the heat exchanger, drying machine, air conditioning, etc. 3, families use water heater, the stove, bread box, chimney, microwave oven, food processing machinery, electric oven, the cooking utensils. Can also be used for the building of flats, wall, ceiling and other heat insulation parts.