| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 560 x 890 mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 430 mm | |
| Seat height | 460 mm | |
| Backrest height | 410 mm | |
| Backrest width | 470 mm | |
| Armrest height above seat | 210 mm | |
| Caster diameter | 50 mm | |
| Front base span width | 540 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
| Suggested maximum user weight | 110 kg | |
|---|---|---|
| Chair unit weight | 12 kg | |
| Caster rolling durability | 100000 cycles | |
| Seat foam indentation force deflection | 35 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Woven polyester fabric in light gray finish | |
|---|---|---|
| Seat and backrest padding | Polyurethane foam core with molded plywood substrate | |
| Armrest supports | White matte-finished rigid polymer frame with angular side profile | |
| Base frame | Chrome-plated round steel tube sled structure with four bent legs | |
| Casters | Black dual-wheel non-marking casters, 4 pieces total | |
| Frame cross reinforcement | Black powder-coated steel connecting bars under seat | |
| Backrest inner support | Integrated rigid shell behind upholstery foam | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Mobility | Dual-wheel casters on all four legs allow smooth rolling on hard office floors | |
|---|---|---|
| Fixed arm support | Fixed-position angular armrests provide stable forearm support during writing or typing | |
| Stacking compatible frame design | Sled-base geometry allows nesting or limited stacking for storage between events | |
| Fixed seat height | Non-adjustable seat height set at standard conference table working height | |
| Static posture support | Slightly reclined fixed backrest angle for neutral seated posture during meetings | |
| Floor protection | Non-marking caster treads reduce scuffing on laminate, tile or wood flooring | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packing units per carton | 2 chairs per carton | |
|---|---|---|
| Carton dimensions | 880 x 620 x 480 mm | |
| Gross weight per carton | 26 kg | |
| Volume per carton | 0.262 CBM | |
| Assembly time per unit | 15 minutes | |
| 20 ft container load | 380 chairs | |
| 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 |
Recommended spaces / users / usage modes
| Conference and meeting rooms | Ideal for fixed or flexible meeting spaces with standard 760 mm table heights, matching fixed seat height and mobile layout rearrangement | |
|---|---|---|
| Training and seminar venues | Suitable for multi-purpose training rooms where chairs are frequently moved and temporarily stored in stacks | |
| Open-plan workstations | Usable as visitor or side chairs adjacent to workstations with hard-surface flooring | |
| Co-working and flex spaces | Appropriate for shared work environments requiring durable, easy-to-clean upholstery and maneuverable seating | |
| Educational and institutional settings | Fit for lecture huddle rooms, staff lounges and breakout areas with medium daily use frequency | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office chair safety and stability | EN 1335:2020 applicable for general office seating dimensioning and structural safety reference | |
|---|---|---|
| Upholstery furniture fire safety | EN 1021+2 suitable reference when specifying flame-retardant fabric for public meeting spaces |
US and Canada office-furniture standards
| Office chair structural performance | ANSI/BIFMA X2017recommended for commercial-grade conference chair durability acceptance testing | |
|---|---|---|
| Caster performance | BIFMA X5.1 caster durability test referenced for evaluating rolling life on hard floors |
Standards applicable to China-market projects
| General office chair safety | GB/T 14710recommended for procurement acceptance testing of strength, durability and stability | |
|---|---|---|
| Upholstered furniture flame retardancy | GB 20286recommended for public-assembly conference room applications where fire performance is required |
This product must meet the following technical requirements: 1. General office chair safety: GB/T 14710recommended for procurement acceptance testing of strength, durability and stability; 2. Upholstered furniture flame retardancy: GB 20286recommended for public-assembly conference room applications where fire performance is required; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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