HLS Coatings （Shanghai）Co.Ltd
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Electrophoretic coating for domestic air conditioning industry
Product Introduction
HS-5400LB/HS-5400 White epoxy acrylic cathodic electrophoretic coating for auto is the 8th generation electrophoretic coating researched and developed by HLS Paint (Shanghai) Co., Ltd. in cooperation with Germany HS International Chemical Industry Group,and get the national invention patent and the Shanghai science and technology commission of high-tech transformation project.
It represents modern technology of cathodic electrophoretic coating that is environment-friendly with high property and low cost. Such coating does not contain heavy metal like lead, tin, cadmium and mercury etc. It is a two-component, water-dispersed resin. The coating that does not contain tin element meet the latest environ-mental regulations of European Union, North America, Japan and other requirements in advance, which is the inevitable trend of future environ-mental coating and low cost; meanwhile, it took in features of previous products, and can adapt galvanized steel sheet perfectly, almost can be applied to foundation coating of all metal, such as: cold and hot rolled steel sheet, galvanized steel sheet, aluminum products, zinc-aluminum alloy sheet and stainless steel sheet etc.
This product features shown below:
Low curing temperature, coating yellow degeneration resistance is good, suitable for electrodeposition primer, and then to spray or paint coating process, such as: oil heater, radiator, heater, lamps and lanterns, machinery, home appliances and hardware products and other industries
Main ingredients:
| Neutralizing agent | organic acid |
| Pigment | titanium dioxide, kaolin,antirust pigment |
| Additives | surface active agent, prevent shrinkage cavity agent,resistance to yellowing agent |
Filling tank proportion and method
⑴ Bath preparation
Ratio:
Resin 800.00-1000.00
Paste 200.00
DI water 2000.00
Total 3 3000.00-3200.00
⑵ Ripening conditions
Sample quantity: 3000-3200g
Container: 5L (Diameter 16cm)
Tank temperature:30 ±2℃
Time: 24～48Hr
Mixed conditions: impeller diameter 8cm (speed 200rpm)
(3) Coating conditions
Experimental panel: phosphated cold-rolled steel plate
Tank temperature: 30±2℃
Pole ratio: A/C = 1/2 ~ 1/4
Distance of electrodes: 15cm
ED time: For full immersing 1-3 minutes ( 20 seconds soft start)
Baking conditions:(150-170)℃×(20-30)min (Keeping temperature of parts coated)
Bath on site management project :
Good bath data and coating quality, from the strict parameters management and maintenance of equipment, production line according to its own reality time situation, can have different management project and specifications, recommend the construction parameters see the table below for reference:
| Classification | Project | Control Data | Testing frequency | |
| New bath | Anolyte | |||
| Electrophoresis tank | Ratio | 1:(4-5) | -- | |
| Ripening time | 24-48 | -- | ||
| Solid ( 120 ℃ /1h ,% ) | 12±2 | -- | once a day | |
| PH | 5.3-5.8 | 2.0-3.5 | once a day | |
| Conductivity ( μs/cm ) | 900±400 | 1000±500 | once a day | |
| P/B | 0.35-0.45 | once a week | ||
| Solvent content (%) | 1.2-2.0 | once a week | ||
| Liquid level Fall head (cm ) | 10-15 | once a day | ||
| ED voltage( V ) | 0-300 | once a day | ||
| Break voltage ( V ) | ≥350 | once a week | ||
| Bath temperature ( ℃ ) | 30±2 | once a day | ||
| ED time( S ) | 60~180 | once a day | ||
| UF － 1 Tank | Solid content (%) | ≤2.0 | once a day | |
| UF － 2 Tank | Solid content (%) | ≤0.8 | once a day | |
| Baking furnace | Provisions furnace temperature( ℃ ) | 150-170 | once a day | |
| Curing conditions | Drying temperature | (150-170) ℃ x (15-20)min (With content holding time) | once a day | |
Customer production site :
