100% Original Underground Natural Gas Line - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral

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We try for excellence, service the customers, hopes to be the most effective cooperation workforce and dominator company for staff, suppliers and shoppers, realizes price share and ongoing marketing for China Underground Natural Gas Pipe , Round Steel Tubing , Helical Seam Factory , We sincerely welcome pals to negotiate enterprise and start cooperation. We hope to join hands with pals in different industries to produce a outstanding foreseeable future.

100% Original Underground Natural Gas Line - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral Detail:

Physical properties of epoxy powder materials

Specific gravity at 23℃: minimum 1.2 and maximum 1.8
Sieve analysis: maximum 2.0
Gel time at 200 ℃: less than 120s

Abrasive blast cleaning

Bare steel surfaces shall be abrasive blast-cleaned in accordance with SSPC-SP10/NACE No. 2 unless otherwise specified by the purchaser. The blast anchor pattern or profile depth shall be 1.5 mil to 4.0 mil(38 µm to 102 µm) measured in accordance with ASTM D4417.

Preheating

Pipe that has been cleaned shall be preheated at temperature less than 260℃, the heat source shall not contaminate the pipe surface.

Thickness

The coating powder shall be applied to the preheated pipe at a uniform cure-film thickness of not less than 12 mils(305μm) on the exterior or interior. The maximum thickness shall not exceed a nominal 16 mils(406μm) unless recommended by the manufacturer or specified by the pruchaser.

Optional epoxy performance testing

The purchaser may specify additional testing to establish epoxy performance. The following test procedures, all of which shall be performed on production pipe test rings, may be specified:
1. Cross-section porosity.
2. Interface porosity.
3. Thermal analysis (DSC).
4. Permanent strain (bendability).
5. Water soak.
6. Impact.
7. Cathodic disbondment test.

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Adhering to the principle of quality, service, efficiency and growth, we have gained trusts and praises from domestic and international client for 100% Original Underground Natural Gas Line - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral , The product will supply to all over the world, such as: Botswana, Sydney, Manila, We adopted technique and quality system management, based on customer orientated, reputation first, mutual benefit, develop with joint efforts, welcome friends to communicate and cooperate from all over the world.

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This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.