For the display of handwriting indentbox shoe imprint indentation on the paper, the paper is placed on the empty vacuum plate, covered with plastic film on the paper, start the vacuum pump, the plastic sheet adsorbed on the vacuum plate. Hand-held high-voltage corona box, sweep on the file twice, corresponding to the paper recess edges on the plastic film will form static shadow. To the plastic film uniform spray static powder, static powder to static shadow aggregation, showing handwriting indentation. Brush indentation with a brush to enhance indentation contrast.
Corona voltage:10KV Vacuum negative pressure:200Input voltage:AC220V Power:200W Volume:25kg Weight:57x30x23cm