| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 620 × 640 × 1010 mm | |
|---|---|---|
| Seat height (floor to seat top) | 450 mm | |
| Seat usable dimensions (W×D) | 490 × 470 mm | |
| Seat cushion thickness | 50 mm | |
| Backrest dimensions (W×H) | 460 × 540 mm | |
| Fixed armrest height above seat | 210 mm | |
| Armrest pad dimensions (W×D) | 90 × 250 mm | |
| Cantilever base footprint (W×D) | 560 × 580 mm | |
| Knee clearance under seat | 180 mm | |
| Fixed armrest height above seat surface | 210 mm | |
| Knee clearance under front seat edge | 180 mm | |
| Cantilever steel tube diameter | 16 mm | |
| Backrest lumbar support zone height above seat | 230mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm |
Net weight / load capacity / users / durability
| Net product weight range | 12.5kg | |
|---|---|---|
| Maximum static user weight capacity | 120 kg | |
| Applicable user height range | 1850mm | |
| Cantilever base static load rating | 800 N per leg | |
| Seat upholstery abrasion resistance (recommended) | ≥30000 Martindale cycles | |
| Back mesh tensile strength (recommended) | ≥400 N/50mm | |
| Frame durability (static overload test) | ≥11000 N vertical load, no permanent deformation | |
| Available color options (standard) | Black (default); optional grey frame/seat available | |
| Net product weight | 12.5 kg ±1 kg | |
| Cantilever frame static load rating per leg | ≥800 N |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Tensioned breathable polyester mesh set in black polypropylene outer frame | |
|---|---|---|
| Seat cushion core | 45kg/m³ high-resilience polyurethane foam | |
| Seat upholstery | Woven polyester fabric over foam core, stitched edge trim | |
| Armrest structure | Injection-molded black polypropylene support post, flat polypropylene arm pad with smooth matte finish | |
| Cantilever base frame | 16 mm diameter powder-coated steel tube, continuous bent sled design with integrated floor glides | |
| Seat pan internal support | 12 mm thick molded plywood or polypropylene structural shell under foam cushion | |
| Floor contact glides | Injection-molded non-marring nylon glides pressed into each frame leg end | |
| Frame connection hardware | Grade 4.8 zinc-plated steel bolts securing seat, back and arm assemblies | |
| Backrest support frame | Injection-molded black polypropylene outer frame with 5 segmented mesh support zones, 5mm nominal wall thickness | |
| Backrest upholstery panel | Tensioned breathable woven polyester mesh, heat-set into polypropylene frame to maintain uniform tension | |
| Seat pan internal support shell | 12mm thick molded poplar plywood with 1mm polypropylene wear liner under foam cushion | |
| Armrest assembly | Injection-molded matte black polypropylene vertical support post integrated with 8mm thick flat polypropylene arm pad, fixed to seat pan and back frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat position | Fixed non-adjustable height, non-swivel design mounted directly to cantilever steel frame | |
|---|---|---|
| Back support | Contoured segmented mesh frame provides passive lumbar and mid-back support, no active tilt or recline mechanism | |
| Arm support configuration | Fixed-height non-adjustable armrests positioned at 210mm above seat surface to support neutral 90° forearm posture during meetings | |
| Movement behavior | Continuous steel cantilever frame provides 8° of passive flex when leaning back, no lockable tilt positions | |
| Floor compatibility | Integrated nylon glides suitable for hard floor surfaces (tile, wood, vinyl); optional felt glides available for scratch-sensitive floors | |
| Storage and stacking | Non-stacking design, lightweight frame allows easy repositioning between meeting spaces | |
| Upholstery function | Breathable mesh back reduces heat buildup during extended seated use, padded fabric seat provides even weight distribution | |
| Seat mounting design | Fixed non-adjustable height, non-swivel, non-tilting seat rigidly mounted to cantilever steel frame | |
| Cantilever flex behavior | Continuous bent steel cantilever frame provides 9° of passive rearward flex when user leans back, no lockable tilt positions | |
| Floor protection function | Nylon end glides distribute contact weight to prevent scratching hard floor surfaces (tile, hardwood, vinyl, laminate), 30mm contact diameter reduces carpet indentation | |
| Repositioning mobility | Non-rolling, non-stacking design; 12.5kg unit weight allows single-person repositioning between meeting spaces without lifting assistance | |
| Upholstery comfort function | Open-woven mesh back allows 300+ L/m²/s air permeability to reduce heat buildup during 2+ hour seated sessions, padded foam seat distributes seated pressure to <35mmHg peak contact pressure |
Verified carton / gross weight / assembly / loading data
| Knock-down packaging count | 1 carton per unit | |
|---|---|---|
| Reference shipping carton dimensions (L×W×H) | 670 × 560 × 590 mm | |
| Reference gross shipping weight per carton | 15.5kg | |
| Reference carton volume (CBM) | 0.222 CBM | |
| Indicative 20GP container loading quantity | 310 units | |
| Indicative 40HQ container loading quantity | 760 units | |
| Estimated on-site assembly time | 12minutes per unit | |
| Standard recommended warranty period | 3 years for frame, 1 year for upholstery and wear parts | |
| Knock-down carton count | 1 carton per unit | |
| Reference outer carton dimensions (L×W×H) | 670 × 560 × 590 mm |
Recommended spaces / users / usage modes
| Conference and meeting rooms | Ideal for fixed meeting space seating, fixed cantilever base prevents accidental movement during discussions, breathable mesh supports use during long meetings | |
|---|---|---|
| Visitor and guest reception areas | Suitable for front-of-house and waiting areas, slim profile saves floor space, neutral black color matches most office interior schemes | |
| Open office workstation guest seating | Can be placed adjacent to workstations for impromptu collaboration, non-rolling design prevents unwanted movement across carpeted or hard floors | |
| Training and classroom spaces | Suitable for multi-purpose training rooms, durable construction withstands frequent repositioning, no adjustable parts reduce maintenance requirements | |
| Home office guest/secondary seating | Appropriate for residential home office use as either primary or visitor seating, compact footprint fits small workspaces | |
| Corporate conference and meeting rooms | Suitable for fixed 20 person meeting spaces, cantilever base prevents accidental rolling or swiveling during discussions, breathable mesh back supports use during 2+ hour meetings | |
| Front-of-house visitor reception areas | Ideal for reception waiting zones, slim 620mm width profile saves floor space, matte black finish matches most neutral office interior schemes | |
| Corporate training and classroom spaces | Suitable for high-traffic multi-purpose training rooms, minimal moving parts reduce long-term maintenance requirements, durable steel frame withstands frequent repositioning |
European market access and chemical requirements
| EN 1335-2:2018 | Applicable reference standard: Office furniture - Office work chairs - Part 2: Safety requirements, specifies structural stability, strength and safety criteria for non-domestic seating | |
|---|---|---|
| EN 1335-3:2018 | Applicable reference standard: Office furniture - Office work chairs - Part 3: Test methods, defines standardized test procedures for verifying chair structural performance | |
| EN 1022:2018 | Applicable reference standard: Domestic and non-domestic seating - Determination of stability, provides test protocols to prevent forward/side/rear tipping during normal use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable reference standard: Office Chairs - General Purpose, defines minimum performance, durability and structural safety requirements for commercial office seating including static load, fatigue and stability tests | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applicable reference standard: Furniture Sustainability Standard, provides framework for evaluating material content, emissions and end-of-life recyclability for commercial furniture |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable reference standard: Furniture - Chairs and stools - Determination of dimensions, used to verify seat height, depth, backrest and armrest dimension compliance for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable reference standard: Test method for strength and durability of chairs and stools, specifies static load, impact and fatigue testing requirements for commercial seating | |
| GB 18584-2001 | Applicable reference standard: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, sets formaldehyde emission limits for internal seat pan components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable reference standard: Furniture - Chairs and stools - Determination of dimensions, used to verify seat height, depth, backrest and armrest dimension compliance for office seating; 2. GB/T 10357.3-2013: Applicable reference standard: Test method for strength and durability of chairs and stools, specifies static load, impact and fatigue testing requirements for commercial seating; 3. GB 18584-2001: Applicable reference standard: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, sets formaldehyde emission limits for internal seat pan components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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