Трубопровод для нефти и газа, сварное соединение, термоусадочная втулка, полиэтиленовое полевое соединительное покрытие
- Category: Waterproof Membrane >>>
- Supplier: CYG Changtong New Material Co. Ltd.
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Product Overview
Description
Oil&Gas Pipeline Weld Joint Heat shrink Sleeve Polyethylene field joint coating
Product Description
Polyethylene field joint coating Description:
Polyethylene field joint coatingis a heat-recoverable radiation cross-linked polyethylene backing coated with a hot-melt adhesive layer . It consists of a two-component solvent-free epoxy primer, two or three mastic fillers and a closure patch.
CYG Polyethylene field joint coating application:
Temperature is a major factor in selecting a coating for example, the choice between the three layer polyethylene and three layer polypropylene coating systems is usually based on the maximum operating temperature.
Most important of all, CYG Polyethylene field joint coating is 80 Deg high temperature heat shrink sleeve and it is Germany DVGW Standard.
The general guideline for maximum operating temperature of a number of different coatings can be offered for your reference.
Polyethylene field joint coating Technical data:
Property | Test Method | Value |
Tensile Strength | ASTM D638 | 24.6 MPa |
Elongation | ASTM D638 | 640 % |
Hardness | ASTM D2240 | 55 |
Volume Resistivity | ASTM D257 | 10 18Ω·m |
Abrasion Resistance
|
ASTM D1044 |
30mg |
Dielectric Voltage Breakdown | ASTM D149 | 39KV/mm |
Heat Shock (225℃,4h) | GB/T23257-2009/ASTM D2671 | No cracking, flow or dripping |
Impact Resistance | GB/T23257-2009/ASTM G14 | >15 J |
Softening Point | ASTM E28 | 124℃ |
Lap Shear Strength | EN 12068 | 365N/ c |
Cathodic Disbondment | EN 12068 ASTM G8 | <15 mm < 3 mm |
Impact | EN 12068 | >15 |
Water Absorption | ASTM B570 | 0.05% |
Low-Temperature Flexibility | ASTM D2671 | >-26℃ |
Indentation | EN12068 | 1.0*(Pass) |
Peel Adhesion | ASTM D1000 | 46 N/CM |
Peel Adhesion | EN12068
| 38N/CM |
Fully Recovered S Thickness |
| 2.0mm |
Fully Recovered L Thickness |
| 2.3mm |
CYG Polyethylene field joint coating specification:
Catalogue No. | Specification | Catalogue No. | Specification |
FRDP001 | FRDPΦ168×500—1.2/1.0 | FRDP007 | FRDPΦ508×500—1.5/1.0 |
FRDP002 | FRDPΦ219×500—1.2/1.0 | FRDP008 | FRDPΦ529×500—1.5/1.0 |
FRDP03 | FRDPΦ273×500—1.2/1.0 | FRDP009 | FRDPΦ610×500—1.5/1.0 |
FRDP004 | FRDPΦ325×500—1.2/1.0 | FRDP010 | FRDPΦ711×500—1.5/1.0 |
FRDP005 | FRDPΦ355×500—1.2/1.0 | FRDP011 | FRDPΦ813×500—1.5/1.0 |
FRDP006 | FRDPΦ426×500—1.5/1.0 | FRDP012 | FRDPΦ1220×500—1.5/1.0 |
With years increase in the pipeline field joint appliaction, there are several method for its corrosion protection. The main factors that determine the selection of a suitable field joints coating system are:
Soli resistivity
Design life and Pipeline Design Temperature
Cost
Climatic conditions
Ease of application & repair
Pipeline laying method
Availability of skilled applicators and equipment requirements
Track record
Health , safety & environmental regulation
Pls. feel free to contact us for more information of Polyethylene field joint coating.
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