Yes, deburring tools can be used on plastic. Deburring is the process of removing unwanted material, such as burrs or sharp edges, from a workpiece. While commonly associated with metalworking, deburring is also applicable to plastic materials. 
Plastic components often require deburring after processes like injection molding, machining, or cutting, as these can leave behind rough edges or excess material. Using deburring tools on plastic helps improve the aesthetic quality, functionality, and safety of the parts by ensuring smooth edges and surfaces.
There are various types of deburring tools suitable for plastic, including manual tools like scrapers, knives, and rotary deburring tools, as well as automated solutions like deburring machines and tumblers. The choice of tool depends on the complexity, size, and shape of the plastic part, as well as the production volume.
Manual deburring tools are ideal for small-scale operations or intricate parts, allowing for precise control. Rotary deburring tools, often equipped with specialized blades or abrasive tips, can efficiently handle larger volumes or more uniform shapes. Automated deburring machines offer high efficiency and consistency for mass production.
When deburring plastic, it is important to select the appropriate tool and technique to avoid damaging the material. Plastic is generally softer than metal, so tools designed for metal may need to be adjusted or replaced with those specifically designed for plastic to prevent excessive material removal or surface damage.
In summary, deburring tools are effective for plastic materials, enhancing the quality and performance of plastic components across various industries.