Power tools are portable automatic devices used for surface preparation. There are many different electric or pneumatic power tools that can be selected for various uses. Most hand power tools can be broken down into three basic categories
- Impact cleaning tools
- Rotary cleaning tools
- Rotary impact cleaning tools
Tools from these three categories have unique properties and characteristics that allow them to adapt to many different surfaces and uses. Each tool must be selected carefully, to produce the adequate roughness of the substrate. SSPC-SP-3 Power Tool Cleaning, is the specification for the use of these power tools. The standard details the removal of rust scale, mill scale, and loose paint and rust through the use of power wire brushes, power impact tools, power grinders, and power sanders. These categories will be discussed in greater detail below.