If you choose PP corrugated sheets based solely on thickness, it is easy to make the wrong choice. Even with the same 4mm thickness, the rigidity varies depending on the grammage (weight per square meter); furthermore, if the flute direction (the orientation of the hollow structure) is incorrect, the bending resistance...強度就可能不夠。 真正適合用途、又不浪費成本的規格，必須同時指定厚度、克重、楞向與功能等級四個條件。 PP瓦楞板是什麼？和中空板、プラダン有什麼不同？ PP瓦楞板是以聚丙烯（PP）為原料、經押出成型製成的中空結構塑膠板材。 台灣常稱為PP中空板、塑膠瓦楞板、萬通板；日本則普...