SCHOOL BENCH BJ 232 Bench fixed to the floor. Sidearms made of die-cast aluminium finished with epoxy powder coating, black colour. Sidearms enclose the folding mechanism, which allow the seat pan to fold by gravity. Seat made of bent moulded beech plywood, 14mm thick, and glued to a cold moulded polyurethane foam, self extinguishable according to legal regulations. The top of the seat is covered with M-1 fabrics, according to legal regulations UNE-EN 1021: 1994, part 1 & 2. Optionally (as an accessory), an additional underlying M-1 layer, according to same legal regulations, can be included. The bottom part includes an injected plastic cover acting as the seat structure. Backrest made of an inner metallic structure and straps supports, covered with a cold moulded polyurethane foam, self extinguishable. The set is finished with M-1 fabrics according to legal regulations UNE-EN 1021: 1994, part 1 & 2. Optionally (as an accessory), an additional underlying M-1 layer, according to same legal regulations, can be included. Fixing to the floor is achieved by means of some orifices placed at the bottom of sidearms. The rail system that enables the writing tablet to fold is made of die-cast aluminium finished with epoxy powder coating, black colour. The working surface is made of MDF, 14mm thick, finished with stratified surface, shade to be chosen by the customer. Optional magazine rack made of steel rod finished with epoxy powder coating, black colour. Supports at the first row are also made of die-cast aluminium, but with a different shape, finished with epoxy powder coating, black colour. The front structure is made of bent moulded beech plywood, and upholstered with M-1 fabrics according to legal regulations UNEEN 1021: 1994, part 1 & 2.