| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyolefin resin sheet for high frequency welding which is excellent in high frequency welding property, weld strength, moistureproofing property, and flexibility. SOLUTION: In the polyolefin resin sheet, a non-polar polyolefin resin is laminated on a polar polyolefin resin, and the product (ε.tanδ) of a dielectric constant (ε) and a dielectric loss tangent (tanδ) of the laminate is 50×10-3-150×10-3.
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