| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 625 x 560 x 890 mm | |
|---|---|---|
| Seat width | 450 mm | |
| Seat depth | 450 mm | |
| Seat height from floor | 485 mm | |
| Backrest height | 430 mm | |
| Armrest height above seat | 225 mm | |
| Total armrest height from floor | 700 mm | |
| Front base width | 550 mm | |
| Rear base width | 525 mm | |
| Front-to-back base depth | 560 mm | |
| Frame tube diameter | 25 mm | |
| Frame wall thickness | 1.5 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 weight per chair | 10 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 60 kg/m³ | |
| Seat foam thickness | 30 mm | |
| Foam rebound rate | 45% | |
| Stacking quantity for storage | 10 chairs | |
| Frame static load rating | 150 kg | |
| Seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Support frame | Powder-coated black steel tube, fully welded joints | |
|---|---|---|
| Backrest covering | Breathable horizontal-woven polyester mesh | |
| Backrest inner support | 30% glass-fiber reinforced polypropylene frame | |
| Seat cushion core | High-density polyurethane foam | |
| Seat shell | Injection-molded polypropylene seat pan | |
| Armrests | Integrated fixed black polypropylene armrests connected to frame | |
| Foot glides | Injection-molded polypropylene anti-slip floor glides | |
| Frame surface finish | Electrostatic powder coat, 60μm thickness | |
| Mesh abrasion resistance | 50000 Martindale cycles | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Stacking storage function | Vertical stacking up to 10 units for compact space-saving storage | |
|---|---|---|
| Seat positioning | Fixed non-adjustable seat height and angle, no tilt or swivel mechanism | |
| Back support function | 100° fixed upright back angle for formal meeting and training posture | |
| Arm support function | Fixed integrated armrests for stable forearm support during seated use | |
| Floor protection function | Non-marking PP glides prevent floor scratches and reduce movement noise | |
| Mobility function | Stationary non-wheeled design, no casters, repositionable by lifting | |
| 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
| Corporate training rooms | Stackable design allows fast room reconfiguration for training sessions | |
|---|---|---|
| Conference and meeting rooms | Formal fixed upright posture supports long meeting seating requirements | |
| Visitor reception areas | All-black professional appearance matches standard commercial office decor | |
| Educational institution classrooms | Durable steel frame withstands frequent high-traffic daily use | |
| Temporary event seating | Stackable design enables efficient transport and storage between events | |
| Open-plan office breakout spaces | Compact footprint fits small collaboration zones without casters | |
| 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
| Contract seating strength and durability | EN 16139:2013 Level 2 | |
|---|---|---|
| Office chair safety requirements | EN 1335:2018 | |
| Formaldehyde emission limits | EN 717:2004 E1 |
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
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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