HLS Coatings （Shanghai）Co.Ltd
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Solution for the washing machine electrophoresis paint
Product Introduction :
HS-6060LB/HS-2568G Gray Cationic Epoxy Electrocoat for auto is a new generation electrophoretic coating researched and developed by HLS Paint (Shanghai) Co., Ltd.
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,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.
Main ingredients:
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Solvent: alcohol ether
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Neutralizing agent: organic acid
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Matrix resin: Acrylic modified epoxy resin
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Additives: surface active agent, prevent shrinkage cavity agent
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Product quality data:
| Project | Technical data | Test standard | ||
| Resin (HS-6060LB) | Gray Paste(HS-2568G) | |||
| Appearance | —— | Milky white liquid | Gray viscous liquid,no agglomeration | Visual |
| pH | 25℃ | 6.0±1.0 | —— | GB/T 9724 |
| Conductivity | 25℃, μs/cm | 1400±400 | —— | HG/T 3334 |
| Storage stability | No stratified state, and there were no obvious difference compared to before storage |
In 5-35 ℃ temperature 1 year | ||
Note: pH, conductivity measurement in the resin/pure water = 1:1 dilution
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 ,% ) | 14±4 | -- | once a day | |
| PH | 5.7-6.2 | 2.0-3.5 | once a day | |
| Conductivity ( μs/cm ) | 1200±400 | 1500±500 | once a day | |
| P/B | 0.2-0.3 | once a week | ||
| L panel | Smooth horizontal plane and vertical plane without obvious differences | once a week | ||
| Solvent content (%) | 0.5-1.8 | once a week | ||
| Liquid level Fall head (cm ) | 10-15 | once a day | ||
| ED voltage( V ) | 0-300 | once a day | ||
| Break voltage ( V ) | ≥320 | once a week | ||
| Bath temperature ( ℃ ) | 28-35 | 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( ℃ ) | 170-185 | once a day | |
| Curing conditions | Drying temperature | (165-180)℃×(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:
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Electrophoresis tank
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Circulation devices (including filter, fill the paint device) | DI water equipment |
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DC power supply and the power supply unit
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Anode box (tube) and circulation device | Ultrafiltration device |
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Cleaning devices
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Heat exchanging equipment | Curing device |