PI圆头内六角
骏锐工业提供耐低温PI螺丝
咨询热线
133-0612-1718耐腐蚀性PTFE螺丝
耐化学性参数对照表:
耐化学腐蚀性
(√可使用,×不可使用,△短期)
酸
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
盐酸10% | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
硫酸10% | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
硫酸50% | △ | × | × | × | × | × | √ | √ | √ | × | × |
硝酸10% | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
硝酸50% | △ | × | × | × | × | × | √ | √ | √ | × | × |
氢氟酸10% | √ | △ | × | √ | √ | × | √ | √ | √ | × | × |
氢氟酸50% | △ | × | × | × | △ | × | √ | √ | △ | × | × |
磷酸 | √ | △ | × | △ | √ | √ | √ | √ | √ | × | × |
甲酸 | √ | √ | × | √ | √ | △ | √ | √ | √ | × | × |
醋酸 | √ | √ | × | √ | √ | △ | √ | √ | √ | × | × |
柠檬酸 | √ | √ | △ | √ | √ | √ | √ | √ | √ | × | × |
铬酸 | √ | △ | × | √ | √ | √ | √ | √ | √ | × | × |
酒精 | √ | √ | △ | √ | √ | √ | √ | △ | √ | × | × |
醇
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
甲醇 | △ | √ | √ | √ | √ | √ | √ | √ | √ | △ | △ |
乙醇 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
乙二醇 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
醛和酮
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
乙醛 | × | √ | △ | √ | △ | √ | √ | √ | √ | √ | |
丙酮 | × | √ | △ | √ | △ | √ | √ | √ | √ | √ | |
福尔马林 | × | √ | △ | √ | △ | √ | √ | √ | √ | √ | |
苯甲醛 | × | √ | △ | √ | △ | √ | √ | √ | √ | √ |
碱
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
氢氧化钠10% | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
氨水 | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
氢氧化钾10% | △ | × | × | × | × | × | √ | √ | √ | × | × |
硝酸10% | √ | √ | × | √ | √ | √ | √ | √ | √ | × | × |
硝酸50% | △ | × | × | × | × | × | √ | √ | √ | × | × |
氢氟酸10% | √ | △ | × | √ | √ | × | √ | √ | √ | × | × |
盐化有机物
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
四氯化碳 | √ | √ | √ | √ | √ | ||||||
全氯乙烯 | √ | √ | √ | √ | √ | ||||||
二氯二氟甲烷 | √ | √ | √ | √ | √ |
碳氢化合物
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
苯 | × | √ | √ | √ | √ | √ | |||||
甲苯 | × | √ | √ | √ | √ | √ | |||||
二甲苯 | × | √ | √ | √ | √ | √ | |||||
环乙烷 | × | √ | √ | √ | √ | √ |
无机化学品
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
水 | √ | √ | △ | √ | √ | √ | √ | √ | √ | √ | √ |
硫化氢 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
二氧化硫 | √ | △ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
氯化钠 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
硝酸铵 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
硝酸钠 | × | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
乙酸钠 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
碳酸钙 | × | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
氯化钙 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
氯化镁 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
硫酸镁 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
硫酸锌 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |
双氧水 | √ | △ | △ | √ | √ | √ | √ | √ | √ | × | △ |
其他化学物
PC | PPS | RENY | PEEK | PP | PVC | PTFE | PFA | PVDF | POM | PA | |
尿素溶液 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ |
清洗机 | √ | √ | √ | √ | √ | √ | √ | √ | √ | △ | √ |