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UV curing primer for vacuum metallization for BMC/PBT plastic substrates
Categorize: Water-based plastic paint product series
Product Details
Features
The product is high fullness of coating, good adhesion between interlayer、resistance to grinding 、 corrosion、and it is not easy to be whiten, with good tolerance for pitting dust.
Application
Apply in car lamp for BMC or PBT materials、 with a temperature resistance of up to 170-220 ℃、suitable for spraying and easy to operate.
Components
Polyester acrylic oligomers、acrylic monomers、alcohols、esters、ketones、flattening agent.
Points for Operation
Work-pieces - pre-treatment - spraying - standing (3-5 minutes) - infrared (3-5 minutes) - exposure (600-800mj/C ㎡) – coating
This product can be directly sprayed and can be mixed with a special diluent if there are special requirements. It should achieve cumulative light exposure and use a multi angle UV machine for polyhedral work-pieces. This product is low viscosity and need to concern thickness of the spray film to avoid sagging.
Precautions
The quality guarantee period for this product is 6 months. If it expires, please test its applicability. Please seal the unused paint and store it in a dark, ventilated, and dry place. Spraying operation tools, containers, etc. should be cleaned with special cleaning agents. The designated diluent must be used for dilution. The product should be stored in a dry, cool, and ventilated place. The product should be transported in undamaged original cans.
Data of UV curing primer for vacuum metallization for BMC/PBT plastic substrates series
| Item | Index | Item | Index |
| Drying Time | Surface Drying Time:≤30min | Adsorption capacity of magnetism | Correspond |
| Fully Drying Time:≤8h | Adhesion/Grade | ≤1 |
| Operation Way | Dilution Ratio | Working Viscosity | Remark |
| Roll coating | 3-8% | Cai-4 15-35s | The viscosity of the coating will decrease with the increase of ambient temperature, so the specific working viscosity should be slightly adjusted according to the actual environmental conditions |
The drying effect of water-based coating products is greatly affected by different environmental factors. During using, a comprehensive judgment should be made based on the temperature, humidity, wind speed, and drying conditions of the environment in order to achieve the best appearance and performance of the paint film.
The self-recoating interval must be at least 1 hour after the surface drying time, and the actual time depends on the impact of different environmental humidity and temperature on product drying. Generally between 2 hours and 6 hours; It is best to reapply the topcoat with an interval of more than 24 hours.
The operation temperature is between 10 ℃ and 30 ℃, and the operation humidity is no more than 75%.The product must be thoroughly stirred and evenly mixed before use, and frequent stirring is required during use to prevent sedimentation.
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UV curing primer for vacuum metallization for BMC/PBT plastic substrates
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