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Effect of temperature on the construction of waterborne coatings

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Effect of temperature on the construction of waterborne coatings

  • Categories:News Center
  • Author:Chuangzhi Coating
  • Origin:Attractivechina
  • Time of issue:2019-09-23
  • Views:
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(Summary description)With the increasing demand for water-based paints, many people still don't know enough about water-based paints. Many problems are encountered during the spraying process. For example, when the temperature is to be reached, the construction effect will be better! Today, Xiaobian helps you understand the impact of temperature on waterborne coating construction through simple analysis!

Effect of temperature on the construction of waterborne coatings

(Summary description)With the increasing demand for water-based paints, many people still don't know enough about water-based paints. Many problems are encountered during the spraying process. For example, when the temperature is to be reached, the construction effect will be better! Today, Xiaobian helps you understand the impact of temperature on waterborne coating construction through simple analysis!

  • Categories:News Center
  • Author:Chuangzhi Coating
  • Origin:Attractivechina
  • Time of issue:2019-09-23
  • Views:
Information

    With the increasing demand for water-based paints, many people still don't know enough about water-based paints. Many problems are encountered during the spraying process. For example, when the temperature is to be reached, the construction effect will be better! Today, Xiaobian helps you understand the impact of temperature on waterborne coating construction through simple analysis!

1. Influence of ambient temperature on spray construction parameters

construction of waterborne coatings

    At present, high-grade water-based paint can be air-sprayed in the temperature range of 15-35 ° C, which can meet the construction temperature conditions of most car paint shops; when the temperature is lower than 15 ° C, the water-based paint is diluted with deionized water. The agent can't adjust the volatilization rate of the diluent by using different volatilization speeds like the solvent-based paint. Therefore, under the condition of exceeding the temperature range, it is necessary to adjust the spray parameters to complete the coating: when the temperature is lower than 15 °C At the same time, the application viscosity should be increased by 5-10s, and the leveling flashing time between the two sprayings should be extended; when the temperature exceeds 35 °C, the construction viscosity should be appropriately reduced, and the leveling flashing time should be shortened.

2. Effect of temperature on the pot life of water-based paints

temperature on the construction of waterborne coatings

    The water-based polyurethane paint can meet the requirement of ≥4h under the standard temperature condition (25°C), but with the increase of the ambient temperature, the reaction rate of the polyisocyanate curing agent and water in the water-based paint is accelerated, and the pot life is shorter than the solvent. The type of coating is obviously faster: the application period is shortened to less than 4 hours at 30 °C, and the application period is shortened to less than 2.5 hours at 35 °C. When the temperature reaches 40 °C, it is shortened to 1 hour, which is not convenient for on-site construction.

Optional solutions include:

(1.) Place the formulated water-based paint in a low temperature environment (incubator, or thermostatic paint booth);
(2.) Mix paint in batches to shorten the placement time before coating construction.

    The above is the relevant content of [the effect of temperature on the construction of water-based paints], next, I will introduce the information about the impact of humidity on the construction of water-based paints, welcome to pay attention to our access to updated information!

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Guangdong Chuangzhi Intelligent Equipment Co., Ltd. has a registered capital of 30 million and a self-funded site area of ​​approximately 36000 square meters. It is a high-tech enterprise integrating pre-sales whole plant planning, independent research and development, design, manufacturing, installation, commissioning and after-sales service. (GR20184404259), which owns Guangdong Chuangzhi Machinery Equipment Co., Ltd., Guangdong Ruizhaofeng Software Information Technology Co., Ltd., and Hong Kong Chuangzhi Mechanical Equipment Engineering Co., Ltd., and has obtained more than 130 patents in the field of coating equipment and environmental protection equipment. Based on the Industry 4.0 intelligent manufacturing cloud service and the industrial Internet platform, combined with the three major digital factory management systems of MES, ERP, and PDM, it realizes the remote management, quality control and production traceability tracking of the coating production line manufacturing process, and provides customers with high-quality, efficient, intelligent, Environmentally friendly services, so that customers have no worries when using Chuangzhi products. With 26 years of experience in 3D digital overall solutions for coating production lines, we provide customers with all kinds of non-standard automated coating production lines, coating equipment, environmental protection equipment and other whole plant solutions. At present, it has been widely recognized in the automotive industry, furniture industry, musical instrument industry, cookware industry, home appliance industry, industrial equipment industry and rail transit industry. 

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