| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1180 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 490 mm | |
| Seat height range (floor to seat top) | 450 mm to 540 mm | |
| Backrest height | 760 mm | |
| Backrest width | 510 mm | |
| Armrest height (seat to arm top) | 220 mm | |
| 5-star base diameter | 680 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 chair weight | 21 kg | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Seat foam static load capacity | 95 kg | |
| Backrest tilt static load | 68 kg | |
| 5-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle life | 120000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Recommended daily use duration | 8 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner back upholstery | Light beige faux leather (PU leather) | |
|---|---|---|
| Outer armrest and side panel upholstery | Dark brown faux leather (PU leather) | |
| Seat cushion core | 45 kg/m³ density high-resilience polyurethane foam, 80 mm thick | |
| Backrest cushion core | 35 kg/m³ density polyurethane foam, 60 mm thick | |
| Internal support frame | 1.5 mm thick welded steel tube frame | |
| 5-star base | Powder-coated matte black steel, 2.0 mm leg thickness | |
| Gas lift | Class 3 black steel gas lift, 50 mm diameter, 90 mm adjustment stroke | |
| Tilt chassis | 3.0 mm thick stamped steel multi-lock tilt mechanism | |
| Casters | 60 mm diameter black nylon dual-wheel casters | |
| Stitching details | Matching color thread, 8 mm seam pitch | |
| Edge trim | Black piped trim along all upholstery edges | |
| Internal seat and back support frame | 1.5 mm thick welded round steel tube frame, anti-rust phosphate pretreatment |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full unrestricted swivel around central gas lift axis | |
|---|---|---|
| Seat height adjustment | 90 mm vertical travel via right-side paddle lever, locks at any position within stroke | |
| Backrest tilt function | 12-degree maximum backward recline, adjustable tension knob under seat, single-position tilt lock | |
| Fixed integrated armrests | Curved wrap-around armrests contoured for forearm support, no height or width adjustment | |
| Lumbar support | Contoured vertical pleated zone in lower back provides built-in passive lumbar support | |
| Smooth rolling mobility | Dual-wheel casters roll on hard flooring and low-pile carpet without marking | |
| Tilt tension adjustment | Rotary knob under seat adjusts recline resistance to match user weight | |
| Upright position lock | Chassis lever locks backrest in fully upright position for focused task work | |
| Integrated fixed armrests | Curved wrap-around armrests contoured to support forearm weight during typing and resting, with no height, width or pivot adjustment | |
| Passive lumbar support | Contoured raised padded zone in lower back created by vertical pleated stitching and shaped foam | |
| Mobility function | Dual-wheel casters roll smoothly on hard flooring and low-pile carpet up to 6 mm pile height without marking surfaces | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 720 x 620 x 580 mm | |
| Gross shipping weight | 25 kg | |
| Shipping volume per unit | 0.26 CBM | |
| Required assembly time | 30 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 270 units | |
| Packaging materials | 5-layer corrugated carton, expanded polystyrene edge protection, polypropylene wrap, printed assembly instruction sheet | |
| Standard hardware pack | All required bolts, washers, hex key and spare caster included in box | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive private offices | High-back ergonomic design and two-tone leather look complement premium office interiors for senior staff workspaces | |
|---|---|---|
| Open-plan office workstations | Rolling swivel function and adjustable height suit 8-hour daily task use for general office staff | |
| Conference and meeting rooms | Sleek contemporary silhouette and neutral color scheme coordinate with professional meeting room furniture | |
| Home office spaces | Compact footprint and residential-friendly two-tone finish suit remote work setups in home studies | |
| Reception and guest areas | Polished padded design provides comfortable seating for visitor waiting areas in corporate environments | |
| Recommended desk height compatibility | Suitable for use with standard 760 mm height office desks due to standard seat height adjustment range | |
| Open-plan senior workstations | Rolling swivel function and 90 mm height adjustment suit 8-hour daily task use for department heads and senior professional staff | |
| Boardroom and conference rooms | Sleek contemporary silhouette and neutral two-tone color scheme coordinate with professional conference tables for long meeting use |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions, for verifying ergonomic dimensional compliance for seated work | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, for structural safety performance acceptance | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods, for conducting structural and durability verification testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Test 5 | Backrest strength test requirement of 667 N force applied to backrest for structural verification |
|---|
Standards applicable to China-market projects
| GB/T 35607-2017 | Green product assessment standard for furniture, applicable for volatile organic compound emission evaluation for indoor office use | |
|---|---|---|
| GB/T 10357.3-2013 | Test method for strength and durability of chair and stool furniture, applicable for structural performance verification |
This product must meet the following technical requirements: 1. GB/T 35607-2017: Green product assessment standard for furniture, applicable for volatile organic compound emission evaluation for indoor office use; 2. GB/T 10357.3-2013: Test method for strength and durability of chair and stool furniture, applicable for structural performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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