STANDARD Non-adjustable student chair, type 1

The chair is made on a metal frame from thin-walled steel pipes of square cross-section size 25x25x1,2mm and 20x20x1,2. The metal frame is covered with protective polymer-powder enamel. The pipe ends are covered with plastic plugs. The seat and backrest are made of volume-formed bent-glued plywood (birch veneer) 9 mm thick with a spherical squeeze on the seat and an ergonomic bend on the backrest. The shape of the seat and backrest favours the preservation of posture. The backrest and seat are coated with environmentally friendly polyurethane colourless varnish, which is odourless.
The frame is connected to the plywood using 4.8x18 rivets. Manufactured in height groups 4-7 in accordance with GOST 11016-93 (ISO 5970-79).
Static strength of the seat - 130 daN (kg)
Static strength of the backrest - 55 daN (kg)