Invention Grant
US09546303B2 Moisture-proof material 有权
防潮材料

Moisture-proof material
Abstract:
The present invention relates to a moisture-proof material having a polyurethane film substrate and an adhesive layer formed on at least one surface of the substrate, which material shows a tensile strength of not less than 7500 psi, and an elongation at break of not less than 550%.
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