| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 645 x 610 x 1040 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 540 mm | |
| Seat height from floor | 460 mm | |
| Backrest total height above seat | 580 mm | |
| Upper split back panel dimensions (each) | 230 x 420 mm | |
| Independent lumbar pad dimensions | 350 x 170 mm | |
| Armrest height from floor | 660 mm | |
| Distance between armrests | 570 mm | |
| Sled base span (front-to-back) | 530 mm | |
| Sled base width (side-to-side) | 535 mm | |
| Cantilever frame tube diameter | 25 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 | 20 kg | |
|---|---|---|
| Recommended continuous seating duration | 6 hours | |
| Cantilever frame static load capacity | 500 kg | |
| Seat cushion foam density | 60 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Standard warranty period | 5 years | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Cantilever frame construction | 1.5 mm wall thickness black powder-coated steel | |
|---|---|---|
| Seat cushion padding | 65 mm thick high-resilience polyurethane foam | |
| Back and lumbar pad padding | 40 mm thick high-density polyurethane foam | |
| Seat, back, lumbar upholstery | Woven black polyester fabric, abrasion-resistant commercial grade | |
| Armrest structure | Fiber-reinforced PP structural core with smooth matte black finish, integrated loop design | |
| Internal back support frame | 22 mm diameter steel tubing connected to main cantilever frame | |
| Base glides | Non-slip injection-molded PP floor protectors at all sled contact points | |
| Seat pan support | 12 mm thick multi-layer molded plywood under foam cushion | |
| Seam stitch pitch | 3 stitches per cm | |
| 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
| Base mobility | Fixed cantilever sled design, no swivel, no casters, slight natural frame flex for comfort | |
|---|---|---|
| Height adjustment | No gas lift or height adjustment mechanism, fixed 460 mm seat height | |
| Back support structure | Dual independent upper back panels plus separate contoured lumbar pad for targeted spinal support | |
| Recline function | Fixed upright back angle at 100 degrees, no tilt or recline locking mechanism | |
| Armrest function | Fixed closed-loop armrests integrated with frame, 200 mm above seat surface for forearm support | |
| Lumbar adjustment | Fixed lumbar pad position aligned to natural lower back curve, no height or depth adjustment visible | |
| Floor protection | Non-marking PP glides suitable for hard commercial flooring, no sharp metal contact with surfaces | |
| Stacking capability | Non-stackable design, single chair placement for fixed conference room layout | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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 fixed meeting table arrangement around boardroom and conference tables for visitor use | |
|---|---|---|
| Visitor/reception area seating | Appropriate for office reception and guest waiting areas with professional uniform appearance | |
| Training room seating | Suitable for fixed-position training and seminar room setups with durable commercial construction | |
| Executive meeting space | Appropriate for executive office guest seating with ergonomic split-back comfort during extended discussions | |
| Open office collaborative zones | Suitable for touchdown and short-term collaborative meeting spots in open plan office environments | |
| Recommended table pairing | Compatible with standard 750 mm high conference tables for correct seated posture and leg clearance | |
| 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 16139:2013 Level 2 | Applicable standard for non-domestic visitor/conference seating strength, durability and safety for heavy commercial use | |
|---|---|---|
| EN 1335-2:2009 | Applicable safety standard reference for office work chair structural performance requirements | |
| EN 1021-1:2014 | Applicable upholstered furniture ignitability standard for cigarette resistance in commercial spaces | |
| Maximum recommended user load | 115 kg |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.1 |
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Standards applicable to China-market projects
| GB 18584-2001 | Applicable standard for indoor decoration material limits of harmful substances in wooden furniture components |
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This product must meet the following technical requirements: 1. GB 18584-2001: Applicable standard for indoor decoration material limits of harmful substances in wooden furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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