EN1335 testing process and standard of Office chairs
May 17, 2021
EN1335 Office furniture-The main test items for office chairs are：
1. General design requirements (EN 1335-2 clause 4.1)
2. Testing (EN 1335-3)
clause 7.1 Stability
1.1 Front edge overbalancing
1.2 Forwards overbalancing
1.3 Forwards overbalancing with chair with footrest
1.4&1.5 Sideways overbalancing
1.6&1.7 Rearwards overbalancing
2.1 Seat front edge static load test
2.2 Combined seat and back static load test
2.3 Arm rest downward static load test- central
2.4 Arm rest downward static load test- front
2.5 Arm rest side way static load test
2.6 Foot rest static load test
3.1 Testing of seat and back rest ( 260,000 cycles)
3.2 Testing of arm rests
3.3 Swivel test
3.4 Foot rest durability
3.5 Castor and chair base durability
4 Testing of rolling resistance
Test standard: According to EN1335-1
d. Strength and load-bearing stability test
e. Product life cycle chair back durability test
The inspection items and functional tests of the rotating seat are as follows:
Product life cycle rotation test
The seat base inspection items and functional tests are as follows:
a. Test of the load-bearing base at rest
b. Product life cycle caster/seat durability test
