Physical testing standards for office chairs

EN 1335-1: Office furniture - Office work chairs - Part 1: Dimensions

EN 1335-2: Office furniture - Office work chairs - Part 2: Safety requirements

EN 1335-3: Office furniture - Office work chairs - Part 3: Test methods

1. Safety - Stability testing of chairs

(1) Scope of application: All chair categories.

(2) Test procedure: ① Fix the chair legs on the ground. ② Hold a horizontal force of 2kg in front of the seat for 5S. ③ Pull with a horizontal force of 2kg for 5s behind the seat.

(3) Evaluation: If the product is not overturned, it meets the quality requirements.

2. Safety - Side balance test for non armchairs

(1) Scope of application: Non armchair

(2) Test procedure: ① Fix the side feet on the ground. ② Place a weight of 60kg in the seat. ③ On the fixed side, pull with a horizontal force of 2kg for 5s.

(3) Evaluation: If the product is not overturned, it meets the quality requirements.

3. Safety - Side balance test for armchairs

(1) Scope of application: Armchair.

(2) Test procedure: ① Fix the side feet on the ground. ② Place 25kg and 35kg weights respectively on the seat and the armrest fixed on one side. ③ Pull outward for 5 seconds with a horizontal force of 2 kg on the armrest of the load.

(3) Evaluation: If the product is not overturned, it meets the quality requirements.

4. Safety - Seat Backward Balance Test

(1) Scope of application: All chair categories

(2) Test procedure: ① Place the back foot on the ground. ② Place a weight of 60kg in the seat. ③ Use horizontal force F to pull outward on the seat back for 5 seconds (note: horizontal force)