.    按胶料复合结构分类，可分为纯胶密封条——由单一胶种构成；二复合密封条——由密实胶和发泡海绵胶构成，经常在密实胶内部在轴线方向包含金属骨架材料；三复合密封条——由两种密实胶(其中一种为浅色)和海绵胶构成，通常在密实胶内部包含金属骨架和增强纤维。四复合密封条——公司在国内率先开发和生产了由4种胶料构成的复合密封条，在绵胶(泡管)的表面又包覆了一层薄薄的保护层胶，从而进一步提高密封件的使用寿命。
    2.按材料品种分类，可分为橡胶密封条；塑料密封条；热塑性弹性体密封条。
    3.特殊功能分类，有些密封条具有电子智能功能，如防夹伤密封条等。

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