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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 650 x 1160 mm | |
|---|---|---|
| Seat cushion width | 520 mm | |
| Seat cushion depth | 510 mm | |
| Maximum seat height | 530 mm | |
| Minimum seat height | 430 mm | |
| 5-star base diameter | 700 mm | |
| Upper back pad dimensions | 190 x 380 mm per pad | |
| Lumbar support pad dimensions | 370 x 185 mm | |
| Armrest pad dimensions | 250 x 100 mm per pad | |
| Armrest height above seat | 240 mm | |
| Caster diameter | 60 mm | |
| Backrest total height | 510 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 20 kg | |
|---|---|---|
| Maximum recommended user weight | 159 kg | |
| Base static load capacity | 500 kg | |
| Maximum recline angle | 135 degrees | |
| Gas lift stroke length | 100 mm | |
| Caster rolling durability | 100000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Upholstery abrasion resistance | 30000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Light gray woven polyester fabric, 0.8mm thickness | |
|---|---|---|
| Seat cushion padding | 45kg/m³ high-resilience molded polyurethane foam, 60mm thickness | |
| Backrest pads | Same woven polyester fabric over 40mm thick molded foam | |
| Structural frame | Glass-fiber reinforced light gray polypropylene, 4mm wall thickness | |
| Armrests | Integral glass-fiber reinforced PP with matte light gray finish, fixed T-shape | |
| Gas lift cylinder | Class 3 black-coated steel pneumatic cylinder, 50mm outer diameter | |
| 5-star base | Matte light gray nylon composite, 3mm leg wall thickness | |
| Casters | Dual-wheel PU tread with nylon hub, black housing with light gray accent | |
| Seat pan inner support | 1.5mm thick stamped steel plate under cushion | |
| Tilt mechanism | 2.5mm thick steel chassis with tension adjustment | |
| Structural back frame | Glass-fiber reinforced light gray polypropylene, 4 mm wall thickness | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat 100mm via side lever, locks at any height | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift column | |
| Recline function | 135-degree backward tilt with adjustable tension control, single-position lock | |
| Lumbar support | Fixed contoured lumbar pad positioned to support natural lower back curve | |
| Mobility | Five dual-wheel casters enable smooth rolling on hard floors and low-pile carpet | |
| Back support | Dual independent upper back pads conform to shoulder blade movement | |
| Arm support | Fixed height T-shaped armrests provide stable forearm support during desk work | |
| Mobility function | Five dual-wheel casters roll smoothly on hard floors and low-pile carpet | |
| Tilt tension control | Rotating knob adjusts recline resistance to match user body weight | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Home office workspace | Sized for compact home desks, light gray finish matches modern neutral decor | |
|---|---|---|
| Open office workstations | Commercial-grade structure suitable for daily 8-hour employee use | |
| Conference meeting rooms | Neutral appearance and swivel function suit collaborative meeting spaces | |
| Training room seating | Lightweight caster base enables easy repositioning between sessions | |
| Student study desks | Adjustable height fits teen and adult users at standard study desks | |
| Co-working shared spaces | Durable upholstery and universal design suit rotating shared use | |
| Training room facilities | Lightweight caster base allows quick repositioning between training sessions | |
| Student study areas | Adjustable height fits teen and adult users at standard height study desks |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office work chair dimensional and safety performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability test methods | |
| EN 1728:2014 | Applies to seating furniture mechanical strength and stability testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and strength testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical performance test methods for seating furniture | |
| GB 28007-2011 | Applies to general safety requirements for children's and adult office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and strength testing; 2. GB/T 10357.3-2013: Applies to mechanical performance test methods for seating furniture; 3. GB 28007-2011: Applies to general safety requirements for children's and adult office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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