Powder Paint for Inner-pipeline Anticorrosion
Composition | It is made of modified epoxy resin, curing agent, pigment, filler and other additives through processing. | |
Main features |
Good adhesive force, smooth coating and protection within large temperature range;
Long-term anti-corrosive effect, compact, hard and durable coating, good impact resistance performance, flexibility and adhesion;
Good anti-cathode disbanding capacity and good resistance to chemicals, solvent, water, sewage and sea water.
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Application | It is applicable to the coating of crude oil pipelines, finished oil pipelines, oilfield water injection pipelines, sewage pipelines, inner wall of tap water pipelines, pipelines with flanges, elbows, valves, pumps and other deformed parts. | |
Product series | Powders in different colors can be made according to customers’ requirements. | |
Technical
indexes
| Residue on sieve 125 μm | 0 or based on negotiation |
Color and appearance of paint film | The paint film should be smooth but slight orange peel is allowed and the color should meet the color difference specified. | |
Hardness | ≥2 H | |
Bending mm | 2 | |
Gloss (60°) | High gloss ≥86, semi gloss 21-85, matt ≤20 | |
Adhesive force (1×1 mm) Grade 6×6 | 0 | |
Impact resistance kg.cm | ≥40 | |
Acid resistance (HCI 3%)240 h | The film has no change. | |
Alkali resistance (NaOH 5%) 168 h | Slight change is allowed but it shall be recovered within 2h | |
Salt spray resistance 400 h | ≤ Grade 1 | |
Damp-heat resistance 500 h | ≤ Grade 1 | |
Film thickness μm | 50~60 | |
Surface prepartion
| The corresponding treatment method should be used based on the substrates, such as phosphating, chromizing, shot blasting or blast cleaning 1. The surface roughness should be 30 ~75 μm if reaching Grade Sa2.5 by shot blasting or blast cleaning. 2. Phosphating: degreasing- derusting- neutralizing- surface control- phosphating- passivating Appearance of phosphating film: The phosphating film should be crystallized densely, continuously and evenly. 3. Chromizing: degreasing- rinsing- immersion cleaning- deoxidating- rinsing- chromizing |
- high voltage electrostatic spraying
- Spraying voltage: 50-90 kV;
- air pressure for spraying: 0.1-0.2 Mpa
- distance between the gun and workpiece: 200-300 mm
- Curing condition: 200℃/10 minutes, 190℃/15 minutes after transfer.
Shanghai NH Trade Co., Ltd. is a manufacturer of oil paint with well-equipped testing equip-ment and strong technical force. Our company was established in 2004 and registered the independent paint brand of "NH New Emperor" in 2008.
Till now,We have strongly enhanced our market in chemical,textile,argriculture,building,biological,automotive field and so on.Our company has the industry`s most advanced and sophisticated production facilities.Strict supervision on the quality of our products will make sure you`re 100% satisfied with us.
We could offer a video of construction if you need.
We could offer technical guidance. If your project have trouble in
1.Why Choose us?
100% factory products
The delivery is assurable, the price is reasonable for we have our own factory
All our products is high performance and good quality
NH has more than 30 years experience in paints / coating , so we could offer professional scheme
2. What's your MOQ (min order quantity) ?
Our MOQ is 1000Kg, and we accept mixed order.
3. Sample is free?
We offer free sample.
You could choose sample board or sample paint
4. Which certificates do you have?
Usually, we have ISO 9001, ISO 12944, SGS , ROHS, CNAS, IAF, MSDS...
We could help you to test the products according to your country's request.