Ultra Low Temperature Black Cationic Auto Parts ED Painting For Car Shock Absorbers
Product Details
| Application Field: | Car Shock | Cooperation Case: | ZF |
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| Performance: | Low Cure Temperature | Main Ingredients: | Alcohol Ether ; Carbon Black |
| Highlight |
ced coated,cataphoretic painting |
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Product Description
Electrophoretic paint for car shock absorbers
Product Introduction :
OHT-825/OHT-825 Ultra Low temperature Black Cationic Epoxy Electrocoat, is HLS Paint (Shanghai) Co., Ltd. the ninth generation of independent research and development of electrophoretic coating. The lead, cadmium, chromium, mercury and other heavy metals, two-component aqueous dispersion resin. At the same time, inherited the characteristics of several generations of product quality, OHT-825 on galvanized steel sheet has good adaptability, almost at the bottom of all the metal material coating,
such as: cold rolled steel, galvanized steel, aluminum, stainless steel plate, rubber parts, zinc and aluminum alloy plate, such as applicable
This product features shown below:
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The ability of corrosion resistance is strong, and the edge of the workpiece is good in salt spray resistance
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Excellent leveling and coating, coating, coating binding force and supporting good
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Particularly suitable for high temperature baking of the workpiece, in particular, rubber and metal binding parts and zinc aluminum alloy material.
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Ultra low temperature curing completely green does not contain heavy metals, in conformity with the European ROHS, the instruction of PAHs, reach, fohs, can save about 60% of the energy consumption, is the national government absolute attention and support energy-saving emission reduction requirements of the project, the state and the enterprises and the people.
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Main ingredients:
Curing agent: Modified low temperature curing agent
Additives: surface active agent, prevent shrinkage cavity agent
Pigment: carbon black, kaolin, antirust pigment
Solvent: alcohol ether
Product quality data:
| Project | Technical data | Test standard | ||
| Resin (OHT-825) |
Black Paste (OHT-825) | |||
| pH | 25℃ | 6.0±1.0 | —— | GB/T 9724 |
| Appearance | —— | Milky white liquid | Black viscous liquid,no agglomeration | Visual |
| Conductivity | 25℃, μs/cm | 1400±500 | —— | 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
Filling tank proportion and method
⑴ Bath preparation
Ratio:
Resin 1000.00-1250.00
Paste 250.00
DI water 1000.00
Total 2250.00-2500.00
⑵ Ripening conditions
Sample quantity: 2250-2500g
Container: 5L (Diameter 16cm)
Tank temperature:28-32 ℃
Time: 24～48Hr
Mixed conditions: impeller diameter 8cm (speed 200rpm)
(3) Coating conditions
Experimental panel: phosphated cold-rolled steel plate
Tank temperature: 28-35℃
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:(130-140)℃×(20-30)min (Keeping temperature of parts coated)
Product film performance
| Project | Indicator | Test standard | |
| Appearance | Normal / abnormal | Normal | Ocular estimate |
| Hardness | ≥ | 2H | GB/T 6739 |
| Cup drawing | mm ,≥ | 7 | GB/T 9753 |
| Adhesion | Level | 0 | GB/T 9286 |
| Flexibility | mm | 1 | GB/T 1731 |
| Impact | kg·cm | 50 | GB/T 1732 |
| Gloss | 60 | 60-80 | GB/T 9754 |
| Water resistance | h,(23±2)℃,≥ | 240 | GB/T 1733 |
| Acid resistance | h,(50g/L H2SO4),≥ | 48 | GB/T 9274 |
| Alkali resistance | h,(50g/L NaOH),≥ | 48 | GB/T 9274 |
| *Salt spray resistance | h,(film thickness ≥ 20μm) ,≥ | 800 | JIS K 5600-7-1 |
* Note: The substrate use the Bonder standard phosphating steel panel, crossed out unidirectional expansion eclipse ≤ 2mm.
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
Product Highlights
Electrophoretic paint for car shock absorbers Product Introduction : OHT-825/OHT-825 Ultra Low temperature Black Cationic Epoxy Electrocoat, is HLS Paint (Shanghai) Co., Ltd. the ninth generation of independent research and development of electrophoretic coating. The lead, cadmium, chromium, mercury ...
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