• TPEP internal coating and FBE external coating for water supply pipes

Water pipes were coated with polyethylene and epoxy powder both outside and inside on the seamless steel pipes.IMRI produces food grade water supply steel pipes with anti-corrosion coatings according to CJ/T 120.Please feel free to contact us if you need any kind of coating plastic steel pipes.

Specifications:

Standard CJ/T 120
Processing ability OD:38mm-1620mm;WT:2mm-30mm
Length 6-14m
Packing PE/BE,plastic cap,bundling
Technique Internal and external surface on welded pipe or seamless pipe
Application suitable for water supply pipeline
Service condition underground
Place of origin China
MOQ 3 pieces
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,
Australia…(shipping)

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)
Internal and external coating thickness of coating plastic steel pipe
DN Internal coating External coating
Polyethylene Epoxy Polyethylene Epoxy
normal strength normal strength
15 ＞0.4 ＞0.3 ＞0.5 ＞0.6 ＞0.3 ＞0.35
20
25
32
40
50
65
80 ＞0.5 ＞0.35 ＞0.6 ＞1.0 ＞0.35 ＞0.4
100
125
150
200 ＞0.6 ＞0.8 ＞1.2
250
300
350 _ ＞0.4 ＞1.0 ＞1.3 ＞0.4 ＞0.45
400
450
500
600
700
800
900 ＞0.45 ＞1.2 ＞1.8
1000
1100
1200
1400 ＞1.5
1500
1600
1800
2000
Properties of polyethylene powder
Item Indicators Inspection methods
Density(g/cm3) ＞0.91 GB/T 1033
Tensile strength MPa ＞9.8 GB/T 1040.1
Elongation at break % ＞300 GB/T 1040.1
Soften the vica ℃ ＞85 GB/T 1633
Nonvolatile content % ＞99.5 GB/T 2914
Sanitary performance (delivery of drinking water) Comply with GB/T17219
Properties of epoxy resin powder
Item Indicators Inspection methods
Density(g/cm3) 1.3-1.5 GB/T 1033
Particle size distribution % On the screen 150 μm≤3;on the screen 250 μm≤0.2 GB/T 6554
Nonvolatile content % ≥99.5 GB/T 6554
Horizontal flow mm 22-28 GB/T 6554
Gel time s ≤120(200℃) GB/T 6554
Sanitary performance (delivery of drinking water) Comply with GB/T17219

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