HLS Coatings （Shanghai）Co.Ltd
HAOLISEN – Innovative Material Future
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HR-4000BLB/HR-6000 the bottom of one black cathode electrophoretic coating, is HLS Paint (Shanghai) Co., Ltd., the eighth generation of independent research and development of electrophoretic coating.
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This coating by epoxy acrylate modified, the film also has excellent corrosion resistance and weatherability, smooth appearance and full, suitable as a base topcoat system. In addition, the lead, cadmium, chromium, mercury and other heavy metals, two-component, water dispersible resin, at the same time, previous generations of the product characteristics, have good adaptability to the galvanized steel, almost can be applied to all metal coating,
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such as: cold hot rolled steel, galvanized steel, aluminum, zinc Aluminum Alloy plate, stainless steel plate.
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This product features shown below :
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Solvent: alcohol ether
| Neutralizing agent: organic acid |
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Curing agent: totally enclosed multi-isocyanates
| Matrix resin: polyurethane modified epoxy resin |
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Pigment: Titanium pigment, carbon black, kaolin, antirust pigment
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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 (HR-4000LB) | Black Paste (HR-6000) | |||
| pH | 25℃ | 6.0±1.0 | —— | GB/T 9724 |
| Conductivity | 25℃, μs/cm | 1000±500 | —— | HG/T 3334 |
| Appearance | —— | Milky white liquid | Black viscous liquid,no agglomeration | Visual |
| 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
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° | 70-95 | GB/T 9754 |
| Water resistance | h,(23±2)℃ ≥ | 240 | GB/T 1733 |
| Acid resistance | h(0.05N H2SO4) ≥ | 48 | GB/T 9274 |
| Alkali resistance | h(0.1N NaOH) ≥ | 48 | GB/T 9274 |
| Weather resistanc | h,(film thickness ≥ 20μm)≥ | 500 | GB/T 165 |
| *Salt spray resistance | film thickness ≥ 20μm | 500 | GB/T 1771 |
* Note: The substrate use the Bonder standard phosphating steel panel, crossed out unidirectional expansion eclipse ≤ 2mm.
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