| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 780 x 1180 mm | |
|---|---|---|
| Seat height | 445 mm | |
| Seat width | 510 mm | |
| Seat depth | 500 mm | |
| Backrest height | 735 mm | |
| Backrest width | 500 mm | |
| Armrest height above seat | 220 mm | |
| Leg splay span (width) | 650 mm | |
| Leg splay span (depth) | 700 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
| Recommended static load capacity | 125 kg | |
|---|---|---|
| Net product weight | 24 kg | |
| Seat foam density | 36 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Foam rebound rate | 45% | |
| Foam compression set | <6% | |
| Upholstery tear strength | 100 N | |
| Wood frame moisture content | 12% | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame structure | Solid hardwood with mortise-and-tenon joinery | |
|---|---|---|
| Upholstery material | 1.5mm thick black top-grain leather/vinyl | |
| Seat cushion padding | High-density polyurethane foam | |
| Backrest padding | Segmented high-density polyurethane foam | |
| Internal support panel | 12mm thick E0-grade bent plywood | |
| Armrests and legs | Solid red-stained hardwood with polished lacquer finish | |
| Foot glides | Nylon anti-slip floor protectors | |
| Adhesives and finishes | Low-VOC water-based lacquer with 2H hardness | |
| 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
| Seating motion | Fully stationary fixed position, no swivel, tilt or height adjustment | |
|---|---|---|
| Lumbar support | Built-in contoured segmented lumbar padding | |
| Seat edge design | Waterfall front seat edge to reduce leg pressure | |
| Armrest support | Fixed curved wooden armrests with carved decorative ends | |
| Back support | High contoured backrest for full upper back and head support | |
| Floor protection | Non-marring glides to prevent hard floor damage | |
| Stability design | Splayed tapered legs to increase base footprint and tip resistance | |
| 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
| Conference room seating | Suitable for boardroom and meeting room stationary use | |
|---|---|---|
| Executive office visitor seating | Placed in manager/executive offices for guest seating | |
| Waiting area reception seating | Durable fixed construction suitable for high-traffic reception zones | |
| Formal training room use | Fixed position seating suitable for long-duration seated training sessions | |
| 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 chair safety requirements for fixed non-domestic seating | |
|---|---|---|
| EN 1022:2019 | Domestic and contract furniture seating stability test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chair general purpose safety and performance standard |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture | |
|---|---|---|
| GB/T 16799-2008 | Furniture leather performance requirements | |
| GB 18584-2001 | Formaldehyde emission limits for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture; 2. GB/T 16799-2008: Furniture leather performance requirements; 3. GB 18584-2001: Formaldehyde emission limits for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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