
Tungsten acid may be applied for thermal insulation paper to make this kind of paper has good shielding effect on light intensity and ultraviolet ray. In other words, the paper will have high heat insulation effect. Also, it will have the advantages of no pollution, corrosion resistance and wear resistance. As we all have known, ultraviolet rays cause textile, leather and furniture fading. And the UV is also one of the important factors of skin cancer. As people’s living standard…