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Low temperature curing white electrophoresis paint
Product Introduction :
CED-7101LB/HR-8010 White epoxy acrylic cathodic electrophoretic coating for auto is the 9th generation electrophoretic coating researched and developed by HLS Paint (Shanghai) Co., Ltd., 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:
Good stability of bath can adaptable for a longer updating cycle.
Simple control of bath and wide operation range is suitable for the operation specification and site equipment for different customers
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:
| Matrix resin:Acrylic modified epoxy resin |
| Curing agent:Fully enclosed multi isocyanate |
| Neutralizing agent:organic acid |
| Additives:surface active agent, prevent shrinkage cavity agent,resistance to yellowing agent |
Filling tank proportion and method:
⑴ Bath preparation
Ratio:
Resin 1868.00
Paste 467.00
DI water 2665.00
Total 5000.00
⑵ Ripening conditions
Sample quantity: 5000g
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:(140-160)℃×(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 | 1:3-5 | -- | |
| Ripening time | 24-48 | -- | ||
| Solid ( 120 ℃ /1h ,% ) | 15±2 | -- | once a day | |
| PH | 4.0-5.0 | 2.0-3.5 | once a day | |
| Conductivity ( μs/cm ) | 600±300 | 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( ℃ ) | 160-180 | once a day | |
| Curing conditions | Drying temperature | (140-160) ℃ ×(20-30)min (With content holding time) | once a day | |
Construction equipment
Cathodic electrophoretic coating construction in the electrophoresis tank, so need to have the following equipment:
Electrophoresis tank
Circulation devices (including filter, fill the paint device)
DI water equipment
DC power supply and the power supply unit
Anode box (tube) and circulation device
Ultrafiltration device
Cleaning devices
Heat exchanging equipment
Curing device
Specification statement
This manual contains information and recommendations are based on our current knowledge and experience, accurate to the date of publication so far. It cannot be used as a guarantee or commitment, in any case, responsibility for users to decide on the use of this product is intended availability. We remain in the process or new development within the scope of the right to change product specifications. Because we cannot control the construction conditions, hope through customers own experiments to determine satisfaction with the final results.
If you want to learn more about HLS coating products, please contact Sales Department of Shanghai HLS now
