高密度聚乙烯被覆防蝕管
被覆層管端去皮長度 單位：m/m
PEELING LENGTH FROM THE END OF THE PE COATED STEEL PIPE
| 管 徑 Diameter of pipe | 聚乙烯被覆層去皮長度 Peeling length of the end of the high-density pe Coated steel pipe | ||
| inch | mm | 焊口 Welded joint | 牙接口 Threaded Connection |
| 1/2" - 3 1/2" | 21.8 - 101.6 | 100 | 50 |
| 4" - 6" | 114.3 - 168.3 | 130 | 50 |
| 8" - 16" | 219.1 - 406.4 | 150 | |
聚乙烯耐化學性能
PE CHEMICAL RESISTANCE
| 測試品名 Test | 濃度% Concentration | 24℃ | 66℃ | 測試品名 Test | 濃度% Concentration | 24℃ | 66℃ | |
| 醋酸 Acetic acid | 10 | E | E | 氫化鉀 Potassium chloride | E | E | ||
| 鉻酸 Chrome acid | 10 | E | E | 氫氧化鉀 Caustic potash | E | E | ||
| 鹽酸 Hydrochioric acid | 37 | E | E | 氫氧化鈉 Sodium hydroxide | E | E | ||
| 氟化氫酸 Hydorogen fuloride acid | 40 | E | E | 二氧化硫 Sulfur dioxide | 乾 Dry | E | E | |
| 次亞氯酸 Sub-chlorous acid | 10 | E | E | 濕 Wet | E | E | ||
| 硝酸 Nitric acid | 5 | E | E | 硫化氫 Hydrogen Sulfide | E | E | ||
| 20 | E | E | 阿摩尼亞(乾) Ammonia dry | E | E | |||
| 40 | E | G | 甲醇 Methyl alcohol | E | E | |||
| 油酸 Oleinic acid | 100 | E | G | 酒精 Ethyl alcohol | E | E | ||
| 磷酸 Phosphoric acid | 80 | E | E | 苯 Benzene | F | F | ||
| 硫酸 Sulfuric acid | 50 | E | E | 碳酸鉀 Kalium carbonate | E | E | ||
| 70 | E | E | 醋酸乙脂 Ethyl acetate | E | F | |||
| 93 | N | N | 汽油 Petrol | G | G | |||
| 阿摩尼亞 Ammonia | 28 | E | E | 三氯乙烯 Narkosid | F | N | ||
| 苛性納 Causlic Carbonate | E | E | 福馬林 Formalin | E | E | |||
| 碳酸納 Sodium Carbonate | 10 | E | E | 石油 Oil | E | G | ||
| 氯化鈣 Calcium chiorid | E | F | 海水 Sea water | E | E | |||
| 氯化納 Sodium chiorid | F | N | 水 Water | E | E | |||
E：無異狀
F：稍有異狀，仍可使用
G：幾無異狀
N：不良
E：no abnormal phenomenon
F：occasionally have abnormal phenomenons but is still good for use
G：almost have no abnormal phenomenon
N：No good
