Powder Coating Process Pdf
The state of the art technology used for producing industrial powder coatings consists of several distinct stages namely. Powder coating can fall into the following categories.
Powder coating is an advanced method of applying a decorative and protective finish to a wide range of materials and products that are used by both industries and consumers.
Powder coating process pdf. Infralit powder coatings with methods compliant with standard en iso 12944 for years now even though the standard does not actually cover powder coatings. This brochure is intended to serve as a set of instructions for the corrosion protective painting with powder coatings of metal objects over 3 mm thick cleaned to prep. Powder coating itself may be by manually held spray guns or by automated guns fixed mounted or reciprocator mounted.
Instead of being dissolved or suspended in a liquid medium such as solvent or water powder is applied in a granular form. Powder coating allows for much thicker coatings than liquid paint without running or sagging. Painting powder coating fundamental manufacturing processes video series study guide 3 curing is a rapid curing process usually within seconds that utilizes a radiation energy source such as ultraviolet light.
Pretreatment system consisting of tanks or tubs containing chemicals or water in which the articles are dipped to clean and prepare the surface for powder coating. Worldwide popularity of powder coating as a process has enjoyed steady double digit growth over many years. Powder coatings developed in the 1960 s powder coatings are a viable alternative to liquid coating processes.
A complete powder coating system requires the following components. The charged powder particles. Manufacturing quality control complete guide to powder coatings 2 issue 1 november 1999 this section describes the manufacturing and quality control process for powder coating materials.
Since the early days of powder coating powder coaters and application equipment manufacturers have. Every single powder coating line at one time or another is used for hobby or government work. What is powder coating.
The powder used for the process is a mixture of finely ground particles of pigment and resin which is sprayed onto a surface to be coated. Powder coating for hobby powder coating job shop powder coating for an oem eventually we end up crossing into each category. With liquid paint horizontal and vertical painted surfaces often have differences in appearances but powder coating typically provides a uniform visual appearance regardless of orientation.
Powder coating also offers a wide range of specialty effects. The powder is created by blending the various. Powder is a dry coating.
One of the forces driving this success has been continuous improvements in the application equipment used in the powder coating process. This material is finer than ground pepper but coarser than flour and is applied directly to the surface to be coated.