| 介质 材质 | 铜 | 铸铁 | 不锈钢 | 塑料 | 丁腈橡胶NBR | 三元乙丙EPDM | 氟橡胶VITON | 特氟隆 PTEE |
| 空气 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 天然气 | ◎ | ◎ | ◎ |
| ◎ | ◎ | ◎ | ◎ |
| 氧气 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 氢气 | ◎ |
| ◎ |
| ◎ |
| ◎ | ◎ |
| 城市煤气 | ◎ |
| ◎ |
|
|
| ◎ | ◎ |
| 工业煤气 | ◎ |
| ◎ |
| ◎ |
|
| ◎ |
| 氮气 | ◎ |
| ◎ |
|
|
| ◎ | ◎ |
| 精制石油 | ◎ | ◎ | ◎ |
|
|
| ◎ | ◎ |
| 普通水 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 水蒸气 | ◎ | ◎ | ◎ |
| × | ◎ | ◎ | ◎ |
| 饮用水 | ◎ | ◎ | ◎ | ◎ |
| ◎ |
| ◎ |
| 海水 | ◎ |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 工业废水 |
|
| ◎ |
|
|
| ◎ | ◎ |
| 汽油 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 煤油 | ◎ | ◎ | ◎ | ◎ | ◎ | × | ◎ | ◎ |
| 柴油 | ◎ | × | ◎ | ◎ |
| × | ◎ | ◎ |
| 牛奶 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 酒 |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 酒精 | ◎ | ◎ | ◎ |
| ◎ | × |
| ◎ |
| 乙炔 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 乙醇 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 丙酮 | ◎ | ◎ | ◎ |
| ◎ | × | × | ◎ |
| 氨 |
|
|
|
| × |
|
| ◎ |
| 甲苯 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 二甲苯 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 丙烷 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 甲烷 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 二氧化硫 | ◎ | ◎ | ◎ |
|
|
| ◎ | ◎ |
| 氢氧化钠〈20% |
| ◎ | ◎ |
| ◎ | × |
| ◎ |
| 硝酸〈10% |
|
| ◎ |
| ◎ |
| ◎ | ◎ |
| 硫酸〈20% |
|
|
|
|
|
| ◎ | ◎ |
| 盐酸〈10% |
|
|
|
|
|
|
| ◎ |
| 醋酸 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
◎表示良好×表示不适用空白表示资料不足
常用密封件材料综述
三元乙丙橡胶EPDM 耐臭氧,耐高温和低温。尤其耐腐蚀性化学品。不耐油和油脂-30~130℃
氟橡胶Viton 抵抗化学品的能力是橡胶中好的-10~150℃
丁腈橡胶NBR 耐油和石油但不能抵抗氧化剂-10~90℃
聚四氟乙烯PTEE 能抵抗大多数化学品,但不能抵抗液态类含钠或含氧的化合物-20~200℃
| 介质 材质 | 铜 | 铸铁 | 不锈钢 | 塑料 | 丁腈橡胶NBR | 三元乙丙EPDM | 氟橡胶VITON | 特氟隆 PTEE |
| 空气 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 天然气 | ◎ | ◎ | ◎ |
| ◎ | ◎ | ◎ | ◎ |
| 氧气 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 氢气 | ◎ |
| ◎ |
| ◎ |
| ◎ | ◎ |
| 城市煤气 | ◎ |
| ◎ |
|
|
| ◎ | ◎ |
| 工业煤气 | ◎ |
| ◎ |
| ◎ |
|
| ◎ |
| 氮气 | ◎ |
| ◎ |
|
|
| ◎ | ◎ |
| 精制石油 | ◎ | ◎ | ◎ |
|
|
| ◎ | ◎ |
| 普通水 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 水蒸气 | ◎ | ◎ | ◎ |
| × | ◎ | ◎ | ◎ |
| 饮用水 | ◎ | ◎ | ◎ | ◎ |
| ◎ |
| ◎ |
| 海水 | ◎ |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 工业废水 |
|
| ◎ |
|
|
| ◎ | ◎ |
| 汽油 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 煤油 | ◎ | ◎ | ◎ | ◎ | ◎ | × | ◎ | ◎ |
| 柴油 | ◎ | × | ◎ | ◎ |
| × | ◎ | ◎ |
| 牛奶 | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 酒 |
| ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ |
| 酒精 | ◎ | ◎ | ◎ |
| ◎ | × |
| ◎ |
| 乙炔 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 乙醇 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 丙酮 | ◎ | ◎ | ◎ |
| ◎ | × | × | ◎ |
| 氨 |
|
|
|
| × |
|
| ◎ |
| 甲苯 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 二甲苯 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 丙烷 | ◎ | ◎ | ◎ |
|
| × | ◎ | ◎ |
| 甲烷 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
| 二氧化硫 | ◎ | ◎ | ◎ |
|
|
| ◎ | ◎ |
| 氢氧化钠〈20% |
| ◎ | ◎ |
| ◎ | × |
| ◎ |
| 硝酸〈10% |
|
| ◎ |
| ◎ |
| ◎ | ◎ |
| 硫酸〈20% |
|
|
|
|
|
| ◎ | ◎ |
| 盐酸〈10% |
|
|
|
|
|
|
| ◎ |
| 醋酸 | ◎ | ◎ | ◎ |
| ◎ | × | ◎ | ◎ |
◎表示良好×表示不适用空白表示资料不足
常用密封件材料综述
三元乙丙橡胶EPDM 耐臭氧,耐高温和低温。尤其耐腐蚀性化学品。不耐油和油脂-30~130℃
氟橡胶Viton 抵抗化学品的能力是橡胶中好的-10~150℃
丁腈橡胶NBR 耐油和石油但不能抵抗氧化剂-10~90℃
聚四氟乙烯PTEE 能抵抗大多数化学品,但不能抵抗液态类含钠或含氧的化合物-20~200℃