| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 640 x 1030 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 470 mm | |
| Seat cushion thickness | 60 mm | |
| Backrest width | 450 mm | |
| Backrest height | 530 mm | |
| Maximum seat height (floor to seat top) | 520 mm | |
| Minimum seat height (floor to seat top) | 420 mm | |
| Armrest height above seat | 190 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 60 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 | 14 kg | |
|---|---|---|
| Recommended static weight capacity | 136 kg | |
| Recommended user height range | 1800 mm | |
| Maximum recline angle | 125 deg | |
| Seam stitch pitch | 8 mm | |
| Component warranty | 5 years | |
| Caster rolling durability | 40000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Tensioned breathable polyester mesh | |
|---|---|---|
| Backrest frame | Glass-fiber reinforced nylon | |
| Integrated lumbar support | Molded contoured PP pad | |
| Seat core | Molded plywood inner pan | |
| Seat cushion | High-density polyurethane foam | |
| Seat upholstery | Wear-resistant polyester fabric | |
| Armrests | Fixed closed-loop molded PP/nylon | |
| Five-star base | Injection-molded nylon | |
| Casters | Dual-wheel hard-floor nylon casters | |
| Gas lift cylinder | Steel Class 3 pneumatic cylinder | |
| Tilt mechanism | 2.5mm thick stamped steel chassis | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base bearing | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical adjustment travel controlled by side lever | |
| Tilt/rocking function | Backrest recline with single-position tilt lock | |
| Tilt tension control | User-adjustable knob modulates recline resistance | |
| Fixed lumbar support | Built-in horizontal pad aligned to lower back curve | |
| Fixed armrest support | 190mm height above seat for stable forearm rest | |
| Smooth caster mobility | Dual-wheel casters roll on hard floors and low-pile carpet | |
| Knock-down assembly | Tool-assisted assembly of base, back, seat and hardware | |
| 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
| Open-plan office workstations | Compact footprint fits standard 1200mm desk layouts for staff seating | |
|---|---|---|
| Home office study spaces | Neutral black design and swivel function suit residential desk setups | |
| Conference and meeting rooms | Mid-back profile supports upright seated posture during short meetings | |
| Call center and shared desk environments | Durable mesh and rolling casters suit frequent multi-user access | |
| Height-adjustable desk compatibility | 520mm maximum seat height works with standard and standing desk heights | |
| Hard floor and low-pile carpet spaces | Standard nylon casters roll smoothly without requiring floor mats | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office furniture seating safety | EN 1335:2020 | |
|---|---|---|
| Office chair strength stability | EN 1335:2018 | |
| Office chair test methods | EN 1335:2018 |
US and Canada office-furniture standards
| Office chair general purpose | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability requirement | ANSI/BIFMA X5.1 Test 12 | |
| Gas lift performance | ANSI/BIFMA X5.1 Test 8 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.2 | |
|---|---|---|
| Office chair safety requirement | GB 28007 | |
| Upholstery fabric performance | GB/T 21655.1 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.2; 2. Office chair safety requirement: GB 28007; 3. Upholstery fabric performance: GB/T 21655.1; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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