| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 620 x 1050mm | |
|---|---|---|
| Seat height adjustment range | 520mm | |
| Seat cushion size | 500 x 480 mm | |
| Seat cushion foam thickness | 50 mm | |
| Backrest size | 460 x 520 mm | |
| Fixed armrest height above seat | 200 mm | |
| Five-star base radius | 320 mm | |
| Caster diameter | 50 mm | |
| Lumbar support protrusion depth | 30 mm | |
| Seat depth | 480 mm | |
| Fixed armrest pad size | 90 x 250mm | |
| Five-star base diameter | 640mm | |
| 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 | 14kg | |
|---|---|---|
| Recommended user weight capacity | 130kg | |
| Gas lift stroke length | 100 mm | |
| Seat foam density | 45kg/m³ | |
| Fabric abrasion resistance (Martindale) | ≥30000 cycles | |
| Caster rolling durability | ≥40000 rolling cycles | |
| Swivel rotation range | 360 degrees | |
| Suggested daily usage duration | ≤8 hours per day | |
| Recommended maximum user weight capacity | 125kg | |
| Seat foam rebound rate | ≥55% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support surface | Grey breathable polyester mesh, tensioned over black nylon frame | |
|---|---|---|
| Seat cushion surface | Black woven fabric upholstery over foam | |
| Seat internal support | 12mm thick molded plywood seat pan | |
| Armrests | Reinforced polypropylene fixed T-shaped armrests, smooth matte finish | |
| Back frame structure | Glass-fiber reinforced nylon outer back frame | |
| Five-star base | Glass-fiber reinforced nylon 5-prong base, matte black finish | |
| Pneumatic gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter | |
| Casters | Black polyurethane (PU) twin-wheel casters, hard/soft floor compatible | |
| Tilt mechanism chassis | 2.5mm thick stamped steel tilt mechanism, black powder coated finish | |
| Seam stitch pitch | 8±1 stitches per inch | |
| Seat cushion core | 45kg/m³ high-resilience polyurethane foam, CFC-free formulation | |
| Seat internal support pan | 12mm thick molded multi-ply hardwood plywood, E0 grade formaldehyde emission |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm total travel, locks at any height within range | |
|---|---|---|
| Backrest tilt function | 15° synchro tilt with tension adjustment knob on right side of mechanism, locks in upright position | |
| 360-degree swivel | Full rotation around central axis enabled by swivel joint at gas lift top | |
| Fixed lumbar support | Contoured integrated lumbar pad positioned for lower back support, no independent adjustment | |
| Fixed armrests | Non-adjustable fixed armrests provide stable forearm support, no height/pivot adjustment | |
| Free rolling mobility | Dual-wheel casters roll on both hard wood/tile floors and low-pile carpet, 360° caster rotation | |
| Waterfall seat edge | Rounded front seat edge reduces pressure on back of thighs during extended sitting | |
| Fixed T-armrests | Non-adjustable fixed armrests mounted to seat/back frame, 210mm height above seat to support forearms during typing, no height/pivot/width adjustment | |
| Tilt tension control | Rotary knob under seat adjusts tilt resistance from 40N to 120N initial tilt force to match different user weights and preference | |
| Backrest recline angle range | 105° | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
Verified carton / gross weight / assembly / loading data
| Number of packages per unit | 1 carton | |
|---|---|---|
| Reference carton dimensions | 650 x 280 x 580 mm | |
| Reference gross weight per carton | 16kg | |
| Reference CBM per unit | 0.106 m³ | |
| Required assembly time | 15minutes per unit | |
| 20ft GP container loading estimate | 290 units | |
| 40ft HQ container loading estimate | 680 units | |
| Reference carton external dimensions | 660 x 290 x 590mm | |
| Reference volume per unit (CBM) | 0.113m³ | |
| Required assembly time per unit | 18minutes |
Recommended spaces / users / usage modes
| Open plan office workstation | Suitable for 8-hour daily use at standard office workstations, compact footprint fits cubicle layouts | |
|---|---|---|
| Home office workspace | Suitable for remote work home offices, neutral black/grey color matches most home decor | |
| Meeting and conference rooms | Appropriate for 4 hour meeting room seating, 360° swivel and quiet tilt function supports natural interaction during discussions, fixed armrests align with standard conference table heights | |
| Co-working shared space | Durable construction suitable for high-turnover shared co-working environments | |
| Training room seating | Stackable? No, swivel mobile design suitable for fixed training desk setups with mobility needs | |
| Open plan office workstations | Suitable for 8-hour daily use at standard 760mm height office workstations, 620mm compact footprint fits standard 1200mm wide cubicle layouts without obstructing adjacent workspaces | |
| Co-working shared spaces | Durable construction suitable for high-turnover shared co-working environments, 30000+ cycle abrasion resistant fabric and 120000+ cycle tilt mechanism supports 10+ daily user rotations | |
| Training room fixed desk setups | Mobile wheeled design allows easy repositioning around fixed training desks, 125kg weight rating accommodates diverse adult users, no protruding adjustment levers prevent snagging on bags or clothing |
European market access and chemical requirements
| Recommended EN standard for office seating | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions, applies to dimensional suitability for office use | |
|---|---|---|
| Recommended EN safety standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements, recommended for safety performance verification | |
| Recommended EN stability standard | EN 1022:2019 Domestic furniture - Seating - Determination of stability, applicable for stability testing | |
| Recommended office chair dimensional standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions, applies to verifying dimensional suitability for European office ergonomic requirements | |
| Recommended office chair safety standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements, recommended for structural safety, edge and gap hazard verification | |
| Recommended seating stability standard | EN 1022:2018 Domestic furniture - Seating - Determination of stability, applicable for static and dynamic stability testing of the chair |
US and Canada office-furniture standards
| Recommended BIFMA standard | ANSI/BIFMA X2017 Office Chairs - Tests for general purpose office chairs, recommended for structural load and durability acceptance | |
|---|---|---|
| Recommended BIFMA caster standard | ANSI/BIFMA X5.1 Clause 17 Caster/chair base durability, recommended for base and caster performance verification | |
| Recommended general office chair standard | ANSI/BIFMA X2017 Office Chairs - Tests for general purpose office chairs, recommended for structural load, cyclic durability and functional performance acceptance | |
| Recommended base and caster standard | ANSI/BIFMA X2017 Clause 17 Caster/chair base durability, recommended for verifying base static load, caster rolling and impact performance | |
| Recommended gas lift safety standard | ANSI/BIFMA X2017 Clause 8 Gas lift durability and safety, recommended for verifying gas lift cycle life and overload resistance |
Standards applicable to China-market projects
| Recommended GB standard | GB/T 3326 Furniture - Seating - Determination of dimensions, applies to dimensional verification of this office chair | |
|---|---|---|
| Recommended stability standard | GB/T 10357.2 Test of mechanical properties of furniture - Stability of chairs and stools, recommended for stability acceptance | |
| Recommended strength/durability standard | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools, recommended for structural performance acceptance | |
| Recommended dimensional verification standard | GB/T 3326 Furniture - Seating - Determination of dimensions, applies to dimensional verification of seat height, depth, back size and clearances for this office chair | |
| Recommended strength and durability standard | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools, recommended for structural load, cyclic fatigue and impact performance acceptance | |
| Recommended hazardous substance standard | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applies to formaldehyde emission from internal plywood seat pan |
This product must meet the following technical requirements: 1. Recommended GB standard: GB/T 3326 Furniture - Seating - Determination of dimensions, applies to dimensional verification of this office chair; 2. Recommended stability standard: GB/T 10357.2 Test of mechanical properties of furniture - Stability of chairs and stools, recommended for stability acceptance; 3. Recommended strength/durability standard: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools, recommended for structural performance acceptance; 4. Recommended dimensional verification standard: GB/T 3326 Furniture - Seating - Determination of dimensions, applies to dimensional verification of seat height, depth, back size and clearances for this office chair; 5. Recommended strength and durability standard: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools, recommended for structural load, cyclic fatigue and impact performance acceptance; 6. Recommended hazardous substance standard: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applies to formaldehyde emission from internal plywood seat pan; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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