Tiếng ViệtProperties
- Excellent Adhesive Property
- Extremely resistant against corrosive & aggressive environments and chemical materials.
- Excellent corrosion resistance when used with fluids at normal temperature.
Internal coating
- Dong Yang’s internal lining & outside coating make the life of steel pipe semi-permanent. The internal lining system is comprised of blasting & priming machines and application of corrosion – preventive & protective inside lining.
Application
| Lining | Advantage |
| Coal-tar Enamel Lining | Long life and good water resistance. |
| Liquid Epoxy Lining | Corrosion resistant, good adhesive strength. |
External coating
- External coating is most important in protection of pipes against corrosive environments. Dong Yang’s external coating system comprises blasting & priming machines and outer coating.
Application
| Coating | Advantage |
| Asphalt Coating | Resistant to high and low temperature. |
| Coal-tar Enamel coating | Long life and good water resistance. |
| Polyethylene Coating & Polyurethane Coating |
Highly resistant to corrosive & extreme environments and chemicals |
| Epoxy Coating (F.B.E, Tar Epoxy) |
Corrosion resistant when used with fluids at normal temperature. |
Specifications
| Coating system | Tolerance | Tolerance | Tolerance | Tolerance | |
| Coal tar Enamel | D 8307 | JIS G 3492 | C 203 | ||
| Coal tar Epoxy | D 8501 | JWWA K115 | BS5493 SK | ||
| Liquid Epoxy | D 8502 | JWWA K135 | C 210 | ||
| Poly- ethylene |
2Layer | D 8568 | |||
| 3Layer | C 222 | CSA-Z245 20-M92 DIN 30670 NF A49-704 |
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| F.B.E | C 213 A 775M |
CSA-Z245 20-M92 DIN 30671 |
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Layer Polyethylene Coating
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2 LAYER COATING
· 1st layer : Adhesive · 2nd layer: Polyethylene or Polypropylene |
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3 LAYER COATING
· 1st layer: Fusion Bonded Epoxy · 2nd layer: Adhesive · 3rd layer: Polyethylene or Polypropylene |
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LIQUID EPOXY / FUSION BONDED EPOXY |
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