皮带有橡胶、橡塑、PVC、PU等多种材质。
输送带的材质有：橡胶、橡塑、PVC、PU等多种材质，机架材质有：碳钢、不锈钢、铝型材。
Conveyor belt material are: rubber, plastics, PVC, PU and other materials, frame materials are: carbon steel, stainless steel, aluminum.
随后分析了橡胶模具的加工技术、选用材质、表面处理、模具污染及模具清洗等情况。
Afterwards analyzed the rubber mold machining technology, selected material quality, surface treatment, mold pollution and mold clean situation and so on.
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