Abstract: The invention relates to a plastic blasting agent A and the use of a plastic blasting agent A, comprising at least one particle PA1 made from at least one polymer KA1 and at least one foreign particle FA1 for the surface treatment of a component that was created using additive manufacturing.

Abstract: Various examples of the disclosure relate to a blast machine having a process chamber. A tumble belt, for example, can be arranged in the process chamber. Techniques for venting the process chamber are described. Techniques for fastening the tumble belt are described. Techniques for operating blasting nozzles are described.

Abstract: The invention relates to a method for operating a control logic of a blasting system (100), the blasting system (100) comprising at least one blasting nozzle (111) for blasting blasting material (91) into a process chamber (110) of the blasting system (100), wherein at least one component (90) can be arranged in the process chamber (110), wherein the blasting material (91) is supplied to the at least one blasting nozzle (111) from a blasting material exchange container (200) via a blasting material circuit (180, 181-185) of the blasting system (100), and wherein the method comprises: —receiving (3010) control data (70) from a logic element (201) of the blasting material exchange container (200) which is detachably arranged in the blasting material circuit (180, 181-185), and—operating (3015) the blasting system (100) on the basis of the control data (70).