BORDER: Ø 70 mm (B70)
HEIGHT: 26 mm
BODY: Ø 60 mm for Ø 58 mm tamper
SHAPE: Cylindrical with Convex Bottom. The filter is cylindrical with a convex bottom to collect the coffee towards the center during percolation. This shape has been designed to exploit the whole coffee puck, which also facilitates drying and expulsion. Best combined with bottomless portafilter holders.
PERFORATED AREA: Ø 49 mm area optimized in relation to the shape of the filter.
NUMBER OF HOLES: 715 in exagonal hole pattern.
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.
FINISHING 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.
|DARK ROASTED COFFEE||MEDIUM ROASTED COFFEE||LIGHT ROASTED COFFEE|
|B702TCH20E||h. 20 mm||10/12 gr||11/13 gr||14/17 gr|
|B702TCH22E||h. 22 mm||12/14 gr||13/15 gr||16/19 gr|
|B702TCH24E||h. 24 mm||14/16 gr||15/17 gr||18/21 gr|
|B702TCH26E||h. 26 mm||17/19 gr||18.5/21 gr||20.5/23 gr|
|B702TCH28.5E||h. 28.5 mm||19/22 gr||22/25 gr||23/27 gr|
Disclaimer: All tests about the capacity of the filters were made using:
• Dark roasted coffee: 80% Arabica 20% Robusta blend
• Medium roasted coffee: 100% Arabica
• Light roasted coffee: Ethiopia single origin