STANDARD Pupil's adjustable chair, type 2

The chair is made on a metal frame from thin-walled steel pipes of square cross-section size 25x25x1,2 and 20x20x1,2mm. The metal frame is painted with protective polymer-powder enamel. The pipe ends are closed with plastic plugs. The frame is a telescopic structure, the height of which can be adjusted by fixing it with four M6 screws. Seats and backrests of the chairs are made of volume-moulded bent-glued plywood 9 mm thick with a spherical squeeze on the seat, coated with colourless polyurethane varnish. The shape of the seat and backrest favours posture. The frame is connected to the plywood using 4.8x18 rivets. Manufactured in height groups 3-7 in accordance with GOST 11016-93 (ISO 5970-79).