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EN 1728:2012-Furniture Seating Test methods for the determination of strength and durabilitySep 13, 2025
EN 1728:2012-Furniture Seating Test methods for the Determination of Strength and Durability
This European Standard specifies test methods for the determination of strength and durability of the structure of all types of seating without regard to use, materials, design/construction or manufacturing process.
This European Standard does not apply to children’s highchairs, table mounted chairs and bath seats which are covered by other European Standards.
Structure
Load bearing parts of furniture such as the frame, seat, back and arm supports and suspension
Leg Rest Wxtension of the seat area intended to support the legs of the user Note 1 to entry: A leg rest might or might not be permanently attached to the structure of the item of seating.
Foot Rest Part intended to support the feet of the user and which assists the user getting on or off an item of seating Note 1 to entry: A foot rest might or might not be permanently attached to the structure of the item of seating.
Work Chair Chair, with or without arm rests, for use by one adult in the office or home office (for example working with a computer), whose upper part, which includes the seat and back, is supported on a single column and can rotate in the horizontal plane and is at least adjustable in height
Back Rest Element that supports the back of the user higher than 100 mm above the seat loading point.
Arm Rest Length Distance between vertical lines through the front and rear edges of the arm rest
Test Items and Requirements
EN 1728:2012 encompasses three major categories of testing: static strength, dynamic durability, and stability. Specific tests include: Static Load Test: Simulates vertical pressure, backrest pressure, and lateral armrest pressure under normal user sitting posture. For example, the seat surface must withstand 600N (approximately 61kg) vertical force 10 times without structural damage;
Impact Test: Simulates sudden sitting or object impact via free-falling weights. The seat must withstand a 25kg weight dropped from a height of 25mm.
Durability Test: Simulates long-term use through cyclic loading. For example, the seat must complete 100,000 load cycles.
Stability Test: Assesses the seat's resistance to tipping. For instance, the front legs must not tip when subjected to a 10Nm torque.