Karl

STRUCTURE
SEAT
Anatomically shaped, 5mm thick, glass-fibre reinforced nylon support with internal metal bars.
Injected polypropylene counter-shell (30/10 thick) fixed to support with screws and inserts.
BACK
Anatomically shaped, injected ribbed polypropylene support.
Injected polypropylene counter-shell (30/10 thick), clipped to support.

FILLING
SEAT
CFC-free polyurethane foam, density 40 kg/m3, thickness 65 mm. Water-based, non-polluting adhesive.
BACK
CFC-free polyurethane foam, density 30 kg/m3, thickness 40 mm. Water-based, non-polluting adhesive.

COVERING
SEAT
Fabric sewn and stapled to support
BACK
Fabric stapled to support

LINK
Seat/back, by special steel blade (thickness 60/10), width 70 mm. Semi-rigid polypropylene protective shell.

MECHANISM
Synchronized, 5-position locking system with backrest anti-retraction system, adjustable in intensity according to user’s weight by side crank. Seat depth adjustment, 50 mm travel. Seat height adjustment by double-cone gas spring, class 3, nominal stroke 130 mm, meeting DIN 4550/4551 standards. Lift KGS class 3.

FEET
5-spoke nylon pyramid base, glass-fibre reinforced – 68 mm.
Self-braking double-roller polyamide castors, diameter 50 mm, steel swivel diameter 11 mm.

ENVIRONMENT
The seat is made from 50% recycled raw materials, and is 90% recyclable.