| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 660 x 1280 mm | |
|---|---|---|
| Seat width | 520 | |
| Seat depth | 500 | |
| Seat height range | 500 mm | |
| Backrest height | 720 | |
| Backrest width | 500 | |
| Headrest dimensions | 480 x 180 mm | |
| Armrest height from seat | 220 | |
| Armrest pad dimensions | 260 x 60 mm | |
| Aluminum base diameter | 700 | |
| Caster wheel diameter | 60 | |
| 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
| Recommended maximum user weight | 150 | |
|---|---|---|
| Seat foam density | 45 | |
| Backrest foam density | 35 | |
| Gas lift static load rating | 1000 | |
| Base static load rating | 1500 | |
| Caster rolling durability | 100000 | |
| Chair net weight range | 22 kg | |
| Warranty period reference | 5 | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven fabric in navy blue, smooth matte finish | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam, 80 mm thick at front edge | |
| Backrest core | Molded polyurethane foam over plywood inner frame, 60 mm thick at lumbar zone | |
| Armrest structure | Polished cast aluminum outer frame with fabric-padded top | |
| Chair base | Five-spoke polished aluminum die-cast base, 5 mm wall thickness at spoke section | |
| Height-adjustment cylinder | Chrome-plated steel gas lift, Class 3 standard specification | |
| Tilt mechanism | Steel multi-function tilt plate, black powder-coated finish | |
| Caster wheels | Nylon wheel body with black soft tread and chrome fork housing | |
| Stitching details | Lockstitch upholstery seams at 6 stitches per 50 mm | |
| Headrest assembly | Integrated polyurethane foam pad with matching fabric upholstery, attached to top of backrest 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 with 80 mm total travel, operated by right-side lever | |
|---|---|---|
| Backrest tilt function | Synchronous tilt mechanism with multiple lockable positions, maximum recline angle 12 degrees | |
| Tilt tension control | Rotary tension knob under seat adjusts recline resistance to user weight | |
| Swivel function | 360-degree full rotation around central gas lift column | |
| Mobility | Five dual-wheel casters for smooth movement on hard and carpeted floors | |
| Headrest support | Fixed integrated padded headrest providing continuous neck and upper-back support | |
| Fixed arm support | Fixed-height polished aluminum arms with 60 mm wide padded tops, positioned 220 mm above the seat for forearm resting | |
| Lumbar contour | Built-in gentle lumbar curve in backrest foam shaping | |
| Synchronous backrest tilt | Synchronous tilt mechanism with 4 lockable positions, maximum recline angle of 12 degrees from upright | |
| 360-degree swivel | Full 360-degree continuous rotation around the central gas lift column, supported by a bearing assembly in the mechanism | |
| Floor mobility | Five 60 mm diameter dual-wheel casters mounted at each base spoke end, suitable for hard floors and low-pile carpet | |
| Fixed headrest support | Fixed integrated padded headrest positioned at 720 mm above the seat, providing continuous neck and upper-back support |
Verified carton / gross weight / assembly / loading data
| Packaging configuration | 1 chair per carton, knock-down assembly with seat-back, base, gas lift, arms and casters separated | |
|---|---|---|
| Carton dimensions | 820 x 620 x 380 mm | |
| Gross weight per carton | 25 kg | |
| Carton volume | 0.193 m³ | |
| Assembly time | 30 minutes | |
| 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 |
Recommended spaces / users / usage modes
| Executive office | Suitable for private executive offices and management workstations as a primary daily seating solution | |
|---|---|---|
| Boardrooms and meeting rooms | Appropriate for high-end boardrooms and executive meeting rooms for long-duration meetings up to 4 hours | |
| Design-focused workplaces | Recommended for modern and minimalist office interiors where polished metal and clean line aesthetics are specified | |
| Daily computer use | Supports 8-hour seated computer work with adjustable height and tilt locking for personalized posture | |
| Visitor and reception areas | Can be used in premium reception or waiting areas to convey a professional corporate image | |
| Sustainability considerations | Aluminum base and frame components are recyclable at end of life, supporting circular office furniture programs | |
| Private executive offices | Suitable for private executive and management workstations as a primary 8-hour daily seating solution | |
| Modern design workplaces | Recommended for minimalist and contemporary office interiors where clean metal lines and muted fabric finishes are specified |
EU Market Access Requirements* EN Standards
| EN 1335-1 | 2020 Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| EN 1335-2 | 2019 Office furniture - Office work chair - Part 2: Safety requirements |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
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Standards applicable to China-market projects
| GB/T 10357.3-2013 Furniture - Mechanical and physical properties of furniture - Part 3 | Determination of strength and durability of chairs and stools |
|---|
This product must meet the following technical requirements: 1. GB/T 10357.3-2013 Furniture - Mechanical and physical properties of furniture - Part 3: Determination of strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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