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U.S. – Update to ANSI-BIFMA X5.1 - 2017 Office Chairs
Vol. 951 | February 21, 2017
On February, 14, 2017, BIFMA released the 2017 version of X5.1 standard for the General Purpose Office Chairs. Outlined below are some major and minor changes to the standard, which may affect the ability of certain products to meet the BIFMA X5.1 standard.
Weight of the 95th percentile male has increased to 275 pounds (lb).
Swivel test – 270 lb in chair
Tilt mechanism test – 240 lb in chair
Back durability test – 240 lb in chair
Caster durability – 270 lb in chair
Removal of the Base Static Test
Addition of the Structural Durability Test – Cyclic
Minor Changes That Will Still Affect Your Product
Back Strength Tests – 70 degree angle from the back. Type I and Type II chairs aligned. All back static tests harmonized to 150/225 lb
Drop Test – Center column may not touch the platform/floor during the functional drop
Seating durability – Drop height increased to 1.4 inches. All casters on a pedestal based oriented 90 degrees. On 4 four-leg chairs casters oriented front to back
Stability – Fixtures for clarification on load location points
Arm Strength Tests – Proof load time reduced to 15 seconds
Tablet arm load ease – load reduced to 55 lb and moved to 1inch from edges (worst case)