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Powder coating technology
What is the Faraday Cage Effect?The Faraday Cage effect is a common issue in powder coating, occurring in corners with 90° walls. These corners create an electromagnetic field that prevents the powder from depositing properly. To overcome the Faraday Cage effect, the following meas
创建于2024.07.02Typical Quality Tests for Evaluating Powder CoatingSeveral tests are commonly used to evaluate the quality of powder coatings:
Salt Spray Test (ASTM B117): Tests the coating's corrosion resistance in a high-salt environment.
Impact Test (ASTM D2794): Evaluates the coating's resistance to physical imp
创建于2024.07.02How Powder Coating Guns WorkPowder coating guns are essential in the powder coating process. Here's how they work:
Hopper Supply: The powder coating is stored in a container called a “hopper,” where air is introduced through a membrane at the bottom to keep the powder fluidized
创建于2024.07.02Preventing Paint on Threads or Specific Parts of a WorkpiecePreventing powder coating from covering threads or critical parts of a workpiece is essential. Here are some common methods:
Plugs and Caps: Various types of plugs and caps can withstand the high temperatures of curing ovens, protecting critical area
创建于2024.07.02Causes and Solutions for Poor Paint AdhesionPoor paint adhesion can be caused by inadequate pretreatment and insufficient curing.
Inadequate Pretreatment:
Problem: Poor pretreatment can result in the coating not adhering well to the workpiece.
Solution: Ensure regular titration of pretreatment
创建于2024.07.02Advantages of Powder CoatingPowder coating offers numerous advantages over traditional liquid paints, including quality, cost-effectiveness, and environmental benefits.
Quality:
Consistency and Uniformity: Powder coating avoids common liquid paint defects such as thin spots, dr
创建于2024.07.02What is Powder Coating?Powder coating is a type of coating applied in powder form, using an electrostatic charge to adhere the powder to the surface of the workpiece. Unlike traditional liquid paints, powder coatings do not require solvents, making them more environmentall
创建于2024.06.30Technical Support for Electrostatic Powder Spray GunWorking Principles of Electrostatic Powder Spray Guns
An electrostatic powder spray gun uses the principles of electrostatics to evenly coat a surface with powder paint. The working process mainly involves four steps: powder feeding, electrostatic ch
创建于2024.05.24Analysis of Color Differences in Powder Coating FilmsCauses:
Non-Uniform Coating Thickness:
Uneven coating thickness can result in color differences within the powder coating film.
Non-Uniform Oven Temperature Distribution:
Inconsistent temperature distribution within the curing oven can lead to variat
创建于2023.11.06Analysis of Orange Peel Effect in Powder Coating
Use of High Resin Content in Powder Coating:
The choice of powder coating with a high resin content, which offers good weather resistance, can contribute to the appearance of the orange peel effect. The higher viscosity of the melted powder during l
创建于2023.11.06 Causes and Solutions for Clogging in Powder Guns and Powder Pumps
Moisture in Powder Coating Leading to Clumping and Reduced Flowability and Dispersion:
Cause: Moisture in the powder coating can lead to clumping and reduced flowability and dispersion. This can be caused by inadequate storage conditions or improper
创建于2023.11.06 Factors Leading to Powder Combustion and ExplosionsThere are various factors that can cause powder combustion and explosions, mainly including the following aspects:
Exceeding the Lower Explosive Limit of Dust Concentration:
Due to the reasons mentioned earlier, if the dust concentration in the spray
创建于2023.11.06Common Causes and Solutions for Pinhole Formation in Powder CoatingsPinhole formation is a common defect in powder coating. The following analysis highlights common reasons for pinhole formation and suggests solutions to address this issue:
Inadequate Pre-treatment Cleaning or Incomplete Rinsing Resulting in Residual
创建于2023.11.06 Powder Coating PrecautionsPowder coating is a process where powder coating material is applied to the surface of a workpiece using specialized equipment to create a powder coating layer. This layer is then cured and leveled through high-temperature baking, resulting in a fina
创建于2023.11.06How to Identify the Quality of Powder CoatingsI. Visual Inspection Methods:
Texture:
Good quality powder should feel smooth, lightweight, and airy when touched. In contrast, poor-quality powder feels rough and heavy. When you hold a handful of powder, the smoother and lighter it feels, the bette
创建于2023.11.06Relationship between Powder Particle Size and Powder Coating QualityThe particle size distribution of powder coatings is closely related to film texture, smoothness, gloss, adhesion, electrostatic performance, powder fluidization, storage stability, and powder recovery.
Appearance, Smoothness, and Adhesion:
Generally
创建于2023.11.06Comparison of Advantages between Powder Coatings and Liquid CoatingsWhen comparing powder coatings to traditional liquid coatings, powder coatings have several advantages in terms of transportation, storage, and application efficiency. Here, we will outline the key advantages of powder coatings to provide a clearer u
创建于2023.11.06Safety Precautions for Electrostatic Powder CoatingOperating electrostatic powder coating equipment requires strict adherence to safety precautions to prevent potential hazards and ensure a safe working environment. Here are the key safety measures to follow:
Before commencing work, wear a dust mask
创建于2023.11.06Differences Between Fluorocarbon Coating and Powder CoatingTitle: Differences Between Fluorocarbon Coating and Powder Coating
Application of Coatings
Fluorocarbon coating predominantly utilizes PVDF (Polyvinylidene Fluoride) fluorocarbon coating and PVDF-specific primer, both of which are solvent-based liqui
创建于2023.11.06
