SITIA MAJOR Upholstered office chair with 5-spoke base with castors

Major is a five-spoke swivel office chair with castors.‎ Technical features Inner seat Seat made of double radius stratified curved beech plywood, warm shaped, 16 mm thickness.‎ Inner back Backrest made of double radius stratified curved beech plywood, warm shaped, 16 mm thickness.‎ Rear backrest made in veneer with a thickness of 1 mm, high light-fastness.‎ Natural finishing.‎ Available with visible wood essences Oak natural varnish, Walnut canaletto natural varnish All components used are made in full compliance with EC regulations, E1 class materials, FSC Certified Inner wooden panel in stratified curved beech plywood, 7 mm thickness.‎ Padding Cold-moulded polyurethane flexible foams, elasticity to the highest degree, non-deformability and comfort, 40 kg/m3 of density of the shell, 30 kg/m3 of density of the seat.‎ CFC-free molded foam.‎ Base Swivel base, five-spoke, polished aluminium, 688 mm.‎ diameter (Lead is present in the aluminum to a lesser extent <0.‎20%, The aluminum used complies with 2005/95/CE, 2002/69/CE and 2003/108/CE).‎ Recyclability 100%.‎ Mechanism Tilting mechanism with one lever.‎ Gas height adjustment and knee-tilt locking in 5 positions.‎ Support made in die-cast aluminum.‎ Gas lift Pneumatic seat height adjustment, Gas lift column, CLASS 4 DIN 455, chromium plated cone.‎ Castors Ø 60 mm Support Chrome, Tyre Black, Discs Chrome Without Brake, with Chrome ABS side discs, suitable for any type of flooring, thanks to the polyurethane rubber.‎ Frame Chromed steel frame (Ø 25 mm), foldaway coupled to the back with steel blades that make a strength and comfortable seat (patented system).‎ Adjustable backrest with oscillation obtained with steel springs to fit the user’s movements and guarantee an high level of comfort.‎ Seat cover Seat cover made of injected black nylon, antiscratch and crushproof, with an elegant pattern.‎ Available with tip-up anti panic writing wooden tablet.‎ Available with visible wood essences Oak natural varnish, Walnut canaletto natural varnish.‎ Polished aluminium mechanism and support.‎ Thickness of the tablet 12 mm, dimensions 320x360 mm.‎ Available FSC® certified Major is an upholstered chair.‎  A perfect combination between backrest and seat, which creates an unusual furnishing element but perfectly balanced.‎ The Major collection consists of totally customizable and adaptable chairs and stools, able to change aspect thanks to the varieties of the different elements available.‎ The simple and comfortable design start off with chairs with graphic lines but at the same time soft.‎ It is designed for contract and domestic environments.‎ The base is available in different versions: steel sled base or 4 legged steel frame, pyramidal base in solid walnut canaletto or olive ash.‎ It's possibile to have an high or low backrest with a wooden rear.‎ The chair can be swivel or equipped with a wooden writing tablet.‎ Further info from manufacturer on MAJOR SITIA