| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 680 x 1220mm | |
|---|---|---|
| Seat height range | 520mm | |
| Seat usable dimensions | 500 mm W x 480 mm D | |
| Seat foam thickness | 50 mm | |
| Backrest dimensions | 490 mm W x 650 mm H | |
| Headrest dimensions | 320 mm W x 180 mm H | |
| Fixed armrest height above seat | 220 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Net weight range | 18kg | |
|---|---|---|
| Maximum recommended user weight | 120 kg | |
| Seat static load capacity | 150 kg | |
| Gas lift cycle durability | ≥100000 lift cycles | |
| Caster rolling durability | ≥100000 rolling cycles | |
| Net product weight | 19kg | |
| Maximum recommended static user weight | 130kg | |
| Gas lift cyclic durability | ≥100000 lift cycles | |
| Back tilt cyclic durability | ≥80000 tilt cycles | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Tensioned breathable grey mesh | |
|---|---|---|
| Headrest upholstery | Matching grey breathable mesh | |
| Seat upholstery | Woven grey fabric over foam cushion | |
| Seat core | High-resilience polyurethane foam | |
| Armrests | Integral molded light grey nylon fixed armrests | |
| Back support frame | Reinforced nylon internal frame | |
| Five-star base | Molded light grey nylon | |
| Adjustment levers | Black powder-coated steel lever | |
| Casters | Dual-wheel grey PU casters with black brake insert | |
| Tilt mechanism assembly | 3.5mm thick cold-rolled steel plate synchro chassis | |
| Seat core cushion | High-resilience cold-cured polyurethane foam | |
| Back lumbar support | Integrated curved nylon lumbar protrusion built into mesh frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via side lever, 100mm vertical travel | |
|---|---|---|
| Swivel function | 360-degree unlimited horizontal rotation around gas lift axis | |
| Back tilt function | Synchro-tilt with adjustable tension, tilt range 115 degrees | |
| Headrest adjustment | Height and angle adjustable headrest for cervical support | |
| Mobility function | Dual-wheel casters for smooth rolling on hard and low-pile carpet floors | |
| Lumbar support | Curved fixed lumbar support integrated into mesh back frame | |
| Tilt lock function | Lockable in upright position for focused task work | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| 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 | 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 8-hour daily task work, breathable mesh back reduces heat buildup during extended sitting | |
|---|---|---|
| Home office study spaces | Neutral grey finish fits modern home decor, swivel and mobility function supports flexible use at desks in residential settings | |
| Conference and meeting rooms | Fixed armrests and professional appearance suitable for meeting room seating, tilt function allows relaxed posture during long meetings | |
| Shared hot-desking work areas | Durable nylon and mesh construction withstands frequent use by multiple users, height adjustment fits 185cm tall users | |
| Manager private offices | Adjustable headrest and lumbar support provides enhanced comfort for extended desk work, suitable for mid-level manager office configurations | |
| Small to medium conference and meeting rooms | Fixed loop armrests and professional monochrome appearance suitable for 3 hour meeting seating, upright tilt lock supports attentive posture during presentations | |
| Training room and educational office spaces | Smooth rolling casters allow easy reconfiguration of seating layouts for group activities, easy assembly reduces installation time for bulk deployment | |
| Recommended Matching Desk Size | 2.4m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable reference: Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| EN 1335-2:2018 | Applicable reference: Office furniture - Office work chairs - Part 2: Safety requirements | |
| EN 1335-3:2020 | Applicable reference: Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable reference: Office Chairs - General Purpose | |
|---|---|---|
| Gas lift | Black powder-coated steel Class 3 gas lift | |
| Gas lift cylinder | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 10357.2-2013 | Applicable reference: Test of mechanical properties of furniture - Chairs and stools | |
| GB/T 10357.3-2013 | Applicable reference: Test of durability of furniture - Chairs and stools | |
| GB 18584-2001 | Applicable standards and test results require confirmation |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 10357.2-2013: Applicable reference: Test of mechanical properties of furniture - Chairs and stools; 3. GB/T 10357.3-2013: Applicable reference: Test of durability of furniture - Chairs and stools; 4. GB 18584-2001: Applicable standards and test results require confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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