| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 580 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 540 mm | |
| Backrest width | 480 mm | |
| Backrest height | 520 mm | |
| Armrest height from seat | 210 mm | |
| Armrest pad dimensions | 240 x 60 mm | |
| 5-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Lumbar support zone height | 180 mm | |
| Seat cushion thickness | 80 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended static weight capacity | 120 kg | |
|---|---|---|
| Net weight reference | 14 kg | |
| Gas lift stroke length | 100 mm | |
| Swivel rotation | 360 degrees | |
| Caster rolling durability reference | 100000 cycles | |
| Tilt lock angle range | 15 degrees | |
| Tilt lock maximum angle | 15 degrees | |
| Seat foam density reference | 45 kg/m³ | |
| Backrest tension adjustment range | 80 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest mesh | Breathable woven polyester mesh stretched over a rigid plastic inner frame | |
|---|---|---|
| Seat cushion | High-resilience polyurethane foam core wrapped in woven grey fabric upholstery | |
| Armrests | Light grey plastic outer shell with soft top surface, fixed to the seat frame | |
| Back frame structure | Injection-molded polymer inner frame with edge trim to tension the mesh | |
| Height-adjustment cylinder | Chrome-plated steel gas lift column with black plastic housing cover | |
| 5-star base | Polished chrome-plated steel five-leg structure with tapered leg profile | |
| Casters | Dual-wheel nylon casters with black tread and chrome fork housing | |
| Tilt mechanism | Black-painted steel chassis mounted under the seat with adjustment lever | |
| Seat inner frame | Plywood and steel composite inner frame for structural support under the foam cushion | |
| Armrest mounting brackets | Galvanized steel mounting brackets connecting armrests to the seat inner frame | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, providing 100 mm of vertical travel between 440 mm and 540 mm seat height | |
|---|---|---|
| Swivel function | 360-degree free rotation around the central gas lift column, enabled by a top bearing on the 5-star base | |
| Tilt function | Synchronous seat-back tilt with up to 15 degrees of backward recline, controlled by under-seat tension and lock lever | |
| Integrated lumbar support | Contoured lower-back section built into the mesh back panel for passive lumbar posture support | |
| Fixed armrests | Stationary U-shaped arm supports mounted rigidly to the seat frame at 210 mm above the seat surface | |
| Mobility function | Five dual-wheel swivel casters for rolling movement on hard or carpeted office floors | |
| Breathable back cooling | Open woven mesh backrest allows air circulation to reduce back heat buildup during prolonged sitting | |
| Tilt tension adjustment | Rotary under-seat knob adjusts tilt resistance up to 80 N to match different user weights | |
| 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
| Packaging cartons | 1 carton per chair | |
|---|---|---|
| Carton dimensions | 620 x 520 x 280 mm | |
| Gross weight | 16 kg | |
| Carton volume | 0.090 m³ | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 260 units | |
| Warranty period reference | 24 months | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Open-plan office workstations | Suitable for individual workstations in open-plan offices, providing ergonomic mid-back support for daily computer work of 8 hours | |
|---|---|---|
| Staff meeting rooms | Appropriate for meeting and training rooms where multiple matching chairs are needed, with durable mesh back and mobility for flexible room layout | |
| Home office workspace | Suitable for home office and remote work setups, with compact 620 mm overall width that fits standard 1200 mm wide desks | |
| Administrative assistant stations | Well-suited for administrative and clerical workstations requiring frequent swivel and movement between desk and storage areas | |
| Co-working shared desks | Appropriate for co-working and hot-desk environments due to height adjustability that accommodates different user heights | |
| Temporary project work areas | Suitable for short-term project team work areas with frequent layout adjustments, thanks to lightweight 14 kg net weight and caster mobility | |
| 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
| EN 1335-1:2020 | Applicable for office chair dimensional requirements and ergonomic seating guidelines in the European market | |
|---|---|---|
| EN 1335-2:2019 | Applicable for office chair safety, strength and durability test methods | |
| EN 1022-2018 | Applicable standards and test results require confirmation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general office chairs performance and durability testing including seat impact, back fatigue and base static load | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable for office task chair ergonomic guidelines related to seat dimensions, back support and adjustability | |
| BIFMA e3-2020 | Applicable for furniture sustainability and environmental performance evaluation |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for general office chair dimensions, seating ergonomics and basic mechanical performance verification in the Chinese market | |
|---|---|---|
| GB 18401-2010 | Applicable for basic safety technical specification of textile upholstery and mesh materials used in the chair |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for general office chair dimensions, seating ergonomics and basic mechanical performance verification in the Chinese market; 2. GB 18401-2010: Applicable for basic safety technical specification of textile upholstery and mesh materials used in the chair; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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