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
inchmm焊口   Welded joint牙接口   Threaded Connection
1/2" - 3 1/2"21.8 - 101.610050
4" - 6"114.3 - 168.313050
8" - 16"219.1 - 406.4150 


聚乙烯耐化學性能
PE CHEMICAL RESISTANCE

 

 
測試品名 Test濃度% Concentration24℃66℃測試品名 Test濃度% Concentration24℃66℃
醋酸 Acetic acid10EE氫化鉀
Potassium chloride
 EE
鉻酸 Chrome acid10EE氫氧化鉀 Caustic potash EE
鹽酸 Hydrochioric acid37EE氫氧化鈉
Sodium hydroxide
 EE
氟化氫酸 Hydorogen fuloride acid40EE二氧化硫
Sulfur dioxide
乾 Dry EE
次亞氯酸 Sub-chlorous acid10EE濕 Wet EE
硝酸 Nitric acid5EE硫化氫
Hydrogen Sulfide
 EE
20EE阿摩尼亞(乾)
Ammonia dry
 EE
40EG甲醇 Methyl alcohol EE
油酸 Oleinic acid100EG酒精 Ethyl alcohol EE
磷酸 Phosphoric acid80EE苯 Benzene FF
硫酸 Sulfuric acid50EE碳酸鉀
Kalium carbonate
 EE
70EE醋酸乙脂 Ethyl acetate EF
93NN汽油 Petrol GG
阿摩尼亞 Ammonia28EE三氯乙烯 Narkosid FN
苛性納 Causlic Carbonate EE福馬林 Formalin EE
碳酸納 Sodium Carbonate10EE石油 Oil EG
氯化鈣 Calcium chiorid EF海水 Sea water EE
氯化納 Sodium chiorid FN水 Water EE

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