The product not only has many advantages of glass wool such as thermal and acoustic insulation, fire resistance, but also other features such as good chemical stability, long life, convenient to installation, needing adhering only. Therefore the product has unique property that is not possible to be replaced by other material. It can be used as inside material of thermal insulation, fire resistance and noise elimination for household electric appliance, such as all kinds of air-conditioner, water heater, micro-wave oven, etc.