The 40/4 chair was developed with severe contract use in mind and conforms therefore to ISO 7173:1989, level 5 for strength and durability as well as BS 4875:1985, part 2 and ISO 7174-1 (stability).

Please view or download the tests (pdf):

Strength ISO

Strength FIRA BS ISO-1

Strength FIRA BS ISO-2

Fire test foam, BS, seat

Fire test foam BS, back

Fire test Main Line Plus Fabric BS