1335办公家具 - 办公椅EN 1335主要测试项目有：
1. General design requirements 一般设计要求 (ENclause 4.1)
2. Testing 测试 (EN
clause 7.1 Stability 稳定性测试
7.1.1 Front edge overbalancing 座位前部边缘稳定性测试
7.1.2 Forwards overbalancing 前向稳定性测试
7.1.3 Forwards overbalancing with chair with footrest 带脚踏的椅子的前向稳定性测试
7.1.4&7.1.5 Sideways overbalancing 侧向稳定性测试
7.1.6&7.1.7 Rearwards overbalancing 后向稳定性测试
7.2.1 Seat front edge static load test 座位前部静压测试
7.2.2 Combined seat and back static load test座位，后背静压测试
7.2.3 Arm rest downward static load test- central 扶手静压测试—中间
7.2.4 Arm rest downward static load test- front 扶手静压测试—前端
7.2.5 Arm rest side way static load test扶手侧向静压测试
7.2.6 Foot rest static load test 脚踏静压测试
7.3.1 Testing of seat and back restcycles) 座位和靠背测试(260000循环)
7.3.2 Testing of arm rests 扶手测试
7.3.3 Swivel test旋转测试
7.3.4 Foot rest durability 脚踏耐久测试
7.3.5 Castor and chair base durability 椅子基座和脚轮耐久测试
7.4 Testing of rolling resistance 旋转阻力测试
