ANSI/BIFMA 5.1-1993 Back Durability Test

The purpose of this test is to evaluate the ability of the chair to withstand the fatigue stresses and wear that occur s the result of the user tilting back in the chair over the lifetime of the chair. To evaluate the ability of the chair to withstand a static force, see the back strength test.
BIFMA 5.1 Back Durability Test
This picture is reproduced by permission of BIFMA. For more information on specifics of the standard, contact BIFMA directly.
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