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贰蝉辫补帽辞濒
袪褍褋褋泻懈泄
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PP three-tier structure of anti-corrosion pipeline: the first layer of epoxy powder (FBE50 - 100um), the second adhesive (AD) 250 - 400um, the third layer of polypropylene (PP) 1.4 - 4.0mm. Three of the integration, and steel pipe with a good solid coating, Coating temperature up to 110 degrees.
3PE anti-corrosion and single-layer PE anticorrosive
1. 3PE anticorrosive:
Three-layer structure of PE pipe corrosion: the first layer of powder epoxy ( FBE > 100um ), the second layer of adhesive
(AD ) 170锝�250um, a third layer of polyethylene or polypropylene 2.5锝�3.7mm. Three materials integration, and with the
steel firm toform an excellent coating.
2. Single PE anti-corrosion steel:
single layer PE is the use of anti-corrosion steel curtain coating process ( also known as curtain method ), the steel pipe
after rotation frequency heating, steel top is fitted with a polyethylene powder container by pouring dusted steel tube surface
|
Nominal Diameter of Steel Pipe (DN) |
Epoxy Coating |
Adhesive Layer |
Min Thickness of Anti-Corrosion Layer (mm) |
|
|
(mm) |
(补/渭尘) |
(尘尘)/渭尘 |
General Type |
Strengthen Type |
|
顿狈鈮�100 |
鈮�120 |
鈮�170 |
1.8 |
2.5 |
|
100< DN鈮�250 |
听 |
听 |
2.0 |
2.7 |
|
250< DN<500 |
听 |
听 |
2.2 |
2.9 |
|
500鈮狈<800 |
听 |
听 |
2.5 |
3.2 |
|
顿狈鈮�800 |
听 |
听 |
3.0 |
3.7 |
DIN 30670 for three-layer extruded and one-or mult-layered sintered polyethylene-based coatings
DIN 30671 thermoset plastic coating for buried steel pipes
DIN 30678 polypropylene coatings for steel pipes
CAN/CSA Z245.20/-Z245.21-02 external fusion bond epoxy coating for steel pipe/external polyetlene coating for pipe
SY/T4013-2002 for transport water, gas, oil, pilling coating
SY/T0315-97 PE coating for buried steel pipe
