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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 630 x 640 x 1050mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat height range | 520mm | |
| Backrest height | 510 mm | |
| Backrest width | 470 mm | |
| Fixed armrest height above seat | 220 mm | |
| Armrest length (front to back) | 250 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 60 mm | |
| Under-seat knee clearance height | 280mm | |
| Seat cushion thickness | 60 mm | |
| Seat width (usable) | 480mm | |
| Seat depth (usable) | 460mm | |
| Seat height adjustment range (floor to seat top) | 520mm | |
| Backrest height (seat top to back top) | 510mm |
Net weight / load capacity / users / durability
| Net weight range | 15kg | |
|---|---|---|
| Seat static load capacity | 136 kg minimum | |
| Backrest recline angle range | 115 degrees | |
| Gas lift cycle life | 100,000 height adjustments minimum | |
| Caster rolling durability | 100,000 rolling cycles minimum | |
| Seat upholstery abrasion resistance | ≥50,000 Martindale cycles | |
| Net product weight | 17kg | |
| Maximum recommended static user load | 136kg minimum | |
| Gas lift cycle durability | ≥100,000 height adjustment cycles | |
| Seat fabric abrasion resistance | ≥50,000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Grey breathable woven polyester mesh | |
|---|---|---|
| Seat cushion foam | High resilience polyurethane foam, density 45kg/m³ | |
| Seat upholstery | Grey woven polyester fabric | |
| Armrest structure | Integral molded nylon armrests with smooth matte light grey finish | |
| Seat and back internal frame | 15mm thick molded polypropylene support frame | |
| Five-star base | Molded glass-fiber reinforced nylon, light grey matte finish | |
| Gas lift | Class 3 black powder-coated steel gas lift, 50 mm outer diameter, 100 mm stroke | |
| Tilt mechanism | 3 mm thick stamped steel synchro tilt mechanism with black powder coat finish | |
| Casters | Dual-wheel polyurethane casters with grey nylon housing, black rubber rolling surface | |
| Armrest assembly | Integral molded glass-fiber reinforced nylon, light grey matte finish, fixed rigid connection to seat frame | |
| Seat and back internal support frame | 18mm thick molded polypropylene structural frame, connected to mechanism with steel M6 inserts | |
| Tilt tension control knob | Injection-molded polypropylene knob, black matte finish, rotary tension adjustment |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central gas lift swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical height adjustment via side actuated lever, lockable at any position within travel | |
| Synchro back tilt | Synchronized tilt of backrest and seat at 1:2.3 ratio, lockable in upright position and mid-tilt position | |
| Tilt tension adjustment | Tilt resistance adjustable via rotary knob under seat to match user weight | |
| Fixed position armrests | Rigid fixed armrests providing consistent forearm support at fixed height and angle, no height/depth adjustment | |
| Smooth rolling mobility | Dual-wheel casters roll freely on both hard flooring and low-pile carpet, no brake mechanism | |
| Synchro-tilt recline | Synchronized backrest and seat tilt at 1:2.5 ratio (back tilts 2.5° for every 1° of seat tilt), lockable in fully upright position | |
| Fixed arm support | Rigid fixed-position armrests at 220mm above seat, 60mm offset inward from seat edge, designed to tuck under 720mm height standard office desks | |
| Floor-protective mobility | Dual-wheel PU casters roll freely on hard tile/wood flooring and ≤6mm pile commercial carpet, no brake mechanism, 360° caster swivel for low-force movement | |
| Lumbar support | Tensioned mesh backrest provides passive lumbar support at 200mm above seat surface, conforming to natural lumbar curve without adjustable pad | |
| Five-star base swivel diameter | 640mm | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/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 | Suitable for long-duration seated work in open office layouts, provides ergonomic back support and breathable mesh for all-day use | |
|---|---|---|
| Home office workspaces | Compact footprint fits standard home office desks, neutral grey color matches most residential and home office decor | |
| Meeting and conference rooms | Appropriate for conference room seating, swivel and tilt function supports collaborative meeting activities, uniform grey finish fits professional meeting spaces | |
| Training room seating | Durable construction supports high-frequency rotation and movement in training environments, easy to clean fabric and mesh withstand regular use | |
| Reception and waiting areas | Professional aesthetic suitable for visitor seating in reception zones, comfortable padded seat supports short to medium waiting periods | |
| Training and classroom spaces | High-durability casters and frame support frequent reconfiguration and rotation in training environments, easy-to-wipe fabric and mesh resist stains from regular use, lightweight construction allows easy rearrangement between sessions | |
| Shared hot-desking stations | Adjustable height range fits 5th-95th percentile adult user heights, easy-to-clean surfaces reduce turnaround time between different users, standardized design simplifies replacement and maintenance across shared workspaces | |
| Recommended Matching Desk Size | 2.4m executive desk |
European market access and chemical requirements
| Applicable office seating safety standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - determination of dimensions, applicable for verifying ergonomic dimension compliance | |
|---|---|---|
| Applicable seating durability standard | EN 1335:2009 Office furniture - Office work chairs - Part 3: Test methods, applicable for validating strength and durability performance | |
| Office chair dimension standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions, applicable for verifying ergonomic dimension compliance for EU market | |
| Office chair safety standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements, applicable for structural safety and stability verification | |
| Office chair durability standard | EN 1335:2009 Office furniture - Office work chairs - Part 3: Test methods, applicable for validating strength and cyclic durability performance |
US and Canada office-furniture standards
| Applicable office chair standard | ANSI/BIFMA X2017 Office Chairs - Tests, applicable for general purpose office chair static load, durability and stability performance requirements | |
|---|---|---|
| Applicable caster standard | ANSI/BIFMA X2017 Clause 17 Caster/chair base durability test, applicable for validating base and caster cycle life performance | |
| Maximum recommended user weight | 120 kg | |
| Office chair performance standard | ANSI/BIFMA X2017 Office Chairs - Tests, applicable for general purpose office chair static load, durability, stability and impact performance requirements | |
| Base and caster test standard | ANSI/BIFMA X2017 Clause 17 Base and caster durability test, applicable for validating 5-star base static load and caster cycle life performance | |
| Recommended maximum user weight | ≤120kg |
Standards applicable to China-market projects
| Applicable standard for office chairs | GB/T 3324 General technical requirements for furniture, applicable for structural stability and finish quality requirements | |
|---|---|---|
| Applicable seating safety standard | GB 28007 Safety of office furniture - Office chairs, applicable for static load, durability and stability testing requirements | |
| Applicable fabric environmental standard | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde and heavy metal limits on upholstery and components | |
| Furniture general technical standard | GB/T 3324 General technical requirements for furniture, applicable for structural stability, finish adhesion, and dimensional tolerance acceptance | |
| Office chair safety standard | GB 28007 Safety of office furniture - Office chairs, applicable for static load, impact, durability and anti-tip testing requirements | |
| Upholstery environmental standard | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde, VOC and heavy metal content limits for all chair components |
This product must meet the following technical requirements: 1. Applicable standard for office chairs: GB/T 3324 General technical requirements for furniture, applicable for structural stability and finish quality requirements; 2. Applicable seating safety standard: GB 28007 Safety of office furniture - Office chairs, applicable for static load, durability and stability testing requirements; 3. Applicable fabric environmental standard: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde and heavy metal limits on upholstery and components; 4. Furniture general technical standard: GB/T 3324 General technical requirements for furniture, applicable for structural stability, finish adhesion, and dimensional tolerance acceptance; 5. Office chair safety standard: GB 28007 Safety of office furniture - Office chairs, applicable for static load, impact, durability and anti-tip testing requirements; 6. Upholstery environmental standard: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde, VOC and heavy metal content limits for all chair components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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