The chair meets the requirements of DSTU GOST 22046:2004 “Furniture for educational institutions. Technical conditions”. Geometry and dimensions – in accordance with DSTU prEN 1729-1:2004 “Furniture. Chairs and tables for educational institutions. Functional dimensions". Safety - in accordance with DSTU ENV 1729-2:2004 "Furniture. Chairs and tables for educational institutions. Safety requirements and test methods»
The metal frame of the chair is made of square tubes 25 × 25 times 1.2 mm and 20 × 20 times 1.2 mm.
Adjustment is carried out using 2 telescopic couplings.
Covering of metal parts – spraying with gray powder paint.
All protruding ends of metal parts are closed with plastic plugs or "shoes". Design of chair skis – reinforced type with a support area on the floor.
The seats and backs of the chair are made of flexibly glued beech plywood with a thickness of 7 – 8 mm.
The corners of the seat and back are rounded, have an anatomical shape and are attached to the frame of the chair with special rivets, which prevent trauma and damage to clothes, and also make it impossible for students to disassemble the chairs.
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