Greentech (Tianjin) Anti-corrosion Engineering Tech Co.,Ltd
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| Feature | Can completely replace DuPont ALESTA EE | |||
| Physical Properties | Specific gravity | 1.1-1.9g/cm3 (vary with the color or glossy) | ||
| Particle size | <130μm (60~90μm account for more than 85%) | |||
| Level mobility | 22-35mm | |||
| Coating property | Performance | Test standard | Test result | |
| Gloss 60° | GB/T9754-88 | 1° to 95°+ | ||
| Impact Test | ISO6272 | ISO6272 | 50cm/kg | |
| Cupping Test | ISO1520 | ISO1520 | 6mm | |
| Adhesive Force | ISO2409 | ISO2409 | Grade 0 | |
| Bending Test | ISO1519 | ISO1519 | 1mmφ bend 180o non fall off | |
| Pencil Hardness | ASTMD3363 | ASTMD3363 | 2H | |
| Salt spray Test | ISO7253 | ISO7253 | >1000h | |
| Acid & Aikali test | Dip in 3% HCl or 5% NaOH for 240 h | No change | ||
| Solvent resistant | Dip in trimethylbenzene for 24 h | No change | ||
| Boiled water test | dipping for 1 h | No change | ||
| Thermostability | 180 centigrade degree | Excellent gloss retention, E≤0.8 | ||
| Note: 1. The tests are conducted on the cold-roll steel sheet (thickness: 0.5mm) which is cleaned and degreased. The coating thickness is about 70μm. 2. The coating performance index may slightly decrease as the gloss decrease. | ||||
| Execution Conditions | Curing condition | Standard curing | 180℃ 10-15min and 190℃ 15-20min (Low gloss) | |
| Pretreatment | Phosphating, sandblasting, shot peening treatment according to the substrate material | |||
| Spray Coating | Electrostatic spray or powder fluidized bed coating | |||
| Theoretic coverage | 8-16 m2/kg (coating thickness 60 -80μm) | |||
| Application | High gloss, matting, semi-gloss and dark products (Car parts and pipe etc.) | |||
| Other | Packaging &Transportation | 25Kg/carton. The cartons lined with polyethylene plastic bags, non-dangerous goods, can transport a variety of ways, but should avoid direct sunlight, avoid to be affected with damp and avoid contact with chemicals. | ||
| Storage requirements | Stored at 30℃, ventilated, dry and clean indoor, shall not be close to the fire, heat, avoid direct sunlight, it is forbidden to open piled up. Under the condition, it can be stable storage for 12 months. | |||
| Health and safety | Keep sealed. Shall not be close to the fire, heat. Avoid inhalation powder. Smoking is forbidden in storage places. The worker should wear anti-static shoes. | |||