Machine features This is our newest design kraft paper bubble making machine with automatic lifting system in unwinding and the machine makes the kraft paper roll with embossing bubble. This type kraft bubble paper is widely used in e-commerce packing industry as packing cushion or cushion pad and filling cushion material. Max paper roll feeding width 1200mm Embossing form: vertical upper and lower concave-convex rollers for pressing Roller pattern: semi-circular ball pattern, wave pattern, three-dimensional hexagon, four-pointed star, etc. Various patterns can also be customized according to your requirements. Pressure adjustment: screw pressurization or reducer pressurization Frequency conversion speed regulation: 0-60m/min Suitable for: Min. 40gsm (depend on paper) Unwinding diameter: Max. 1200mm Rewinding diameter: Max. 600mm Machine dimension:2800×2200×1500mm Machine weight: 2000kgs Mechanical parameter