1.Glass wool felt Heat preservation for steel structure building 2.Heat insulation for wall and roof of house to save energy 3.For indoor partition wall,train compartment 4.For cool-making and high buidings required to be fireproof,heat resistant and sound insulating 5.Soft and long glass fibers can maximally lessen flying catkins in the construction 6.Cutting as will 7.Antisepsis,ageing resistance,and anti corrosion,ensuring a healthy environment 8.Stable physical properties