海达 工业门三元乙丙密封条 HD-EPDM-50

评测依据

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• time_range：{"from":"2026-06-26 01:53:49","to":"2026-06-26 01:53:49"}
• intros：{"brand_intro":"海达股份（股票代码：300320）是国内领先的橡胶密封件及减震制品上市企业，成立于1998年。专注于轨道交通、建筑、工业门等领域的高分子材料研发，拥有多项国家专利，产品远销欧美，是工业密封国产替代的头部品牌。","product_intro":"专为工业门设计的EPDM密封条，采用闭孔发泡结构，兼具弹性与压缩回弹性能。适用于快速卷帘门、平移门及冷库门，能有效隔绝冷热交换、灰尘及昆虫。表面光滑耐污，安装方式可卡槽或自粘，适配多种门体槽口。","key_specs":["材质：EPDM发泡橡胶","密度：0.6 g/cm³","压缩永久变形率：≤25%","适用温度：-30℃~80℃","截面尺寸：20mm×15mm（可定制）","颜色：黑色/灰色"]}
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• kol_quotes：["海达的密封条性价比无敌，国货之光。","冷库门用它，一年省不少电费。"]
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