| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 560 x 1015 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 440 mm | |
| Seat height from floor | 450 mm | |
| Backrest height | 580 mm | |
| Armrest height above seat | 190 mm | |
| Backrest upper width | 505 mm | |
| Seat cushion thickness | 50 mm | |
| Armrest top height from floor | 645 mm | |
| Sled base footprint width | 505 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 product weight | 8 kg | |
|---|---|---|
| Recommended static weight capacity | 90 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Mesh fabric abrasion resistance | 50000 cycles | |
| Frame static load rating | 1000 kg | |
| Anti-slip foot pad friction coefficient | 0.6 | |
| Recommended continuous sitting duration | 4 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable black polyester mesh | |
|---|---|---|
| Seat cushion fill | High-density polyurethane foam | |
| Seat upholstery | Tear-resistant black fabric upholstery | |
| Armrests | Injection-molded black PP (polypropylene) fixed armrests | |
| Frame/sled base | 1.5mm thick powder-coated cold-rolled steel tube | |
| Foot pads | Non-slip TPE rubber foot pads | |
| Internal seat support | 12mm thick bent plywood seat pan | |
| Seam stitching | High-strength polyester thread with 8mm seam pitch | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Core use function | Stationary fixed seating for office meeting and visitor spaces | |
|---|---|---|
| Lumbar support | Contoured mesh back with integrated dual-zone lumbar support | |
| Movement restriction | Non-swivel, non-reclining, non-height-adjustable fixed structure | |
| Arm support | Fixed-position armrests with 190mm clearance above seat | |
| Floor protection | Rubber anti-slip foot pads prevent scratches and unwanted sliding | |
| Breathability | Open mesh backrest allows constant air circulation for reduced heat buildup | |
| Stability design | Continuous sled frame distributes weight evenly across floor contact points | |
| 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
| 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 | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Office conference rooms | Suitable for formal meeting room seating with uniform, stable fixed design | |
|---|---|---|
| Reception and visitor areas | Professional appearance provides comfortable short-term seating for guests | |
| Training room environments | Stackable-compatible sled design allows flexible arrangement and storage for training sessions | |
| Open office guest seating | Compact footprint fits alongside standard 750mm height office desks for side seating | |
| Home office study use | Non-adjustable design offers fixed supportive seating for routine home office tasks | |
| 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
| EN 1335-2:2018 | Office furniture: office chairs safety requirements | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating determination of stability |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances | |
| GB/T 10357.3-2013 | Test of mechanical properties for seating furniture strength and durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture components; 2. GB/T 3325-2017: General technical requirements for metal furniture; 3. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances; 4. GB/T 10357.3-2013: Test of mechanical properties for seating furniture strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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