BORDER: Ø 70 mm (B70)
HEIGHT: 26.5 mm (H26.5)
BODY: Ø 60 mm for Ø 58 mm tamper
RIDGE: external Ø 60,5 mm
SHAPE: truncated cone with specific corner rounding
The shape was created by I.M.S. to obtain the proper ratio between the base and height of the coffee puck in relation to capacity. The lower part of the filter has a truncated cone shape. The middle section is connected to the upper body by means of specific corner rounding. This shape has been designed to exploit the whole coffee puck, and to facilitate drying and expulsion.
I.M.S. perforation is exclusive and patented
PERFORATED AREA: Ø 30 mm
area optimized in relation to the shape of the filter.
NUMBER OF HOLES: 253 Hexagonal Spacing (E)
The number and distribution of the perforations are designed to balance the delivery in relation to the height and shape of the filter and perforated area.
HOLE DIAMETER: 0.30 mm
SHAPE OF THE HOLE: CIRCULAR with CONICAL cross section.
COMPETITION PERFORATION: Relaminated and Recalibrated.
TUMBLING: Wet vibrofinishing with ceramic inserts and drying with corncob
PICKLING: Passivation and preparing of the material
ELECTROPOLISHING: smooth surface with unmatched sanitary and non-contaminating qualities is obtained.