| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 760 x 830 mm | |
|---|---|---|
| Seat height from floor | 470 mm | |
| Seat depth | 440 mm | |
| Seat width between arms | 480 mm | |
| Armrest height from floor | 650 mm | |
| Backrest height above seat | 360 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| 4-prong base footprint diameter | 680 mm | |
| Base leg tube cross-section | 20 x 20 mm | |
| Floor glide diameter | 20 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Maximum static user weight capacity | 159 kg | |
|---|---|---|
| Net product weight | 27 kg | |
| Seat foam density | 30 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Swivel rotation range | 360 degrees | |
| Base static load rating | 200 kg | |
| Structural warranty | 3 years | |
| Floor glide vertical load per leg | 50 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery cover | 0.8 mm thick polyurethane faux leather, cognac brown, smooth matte finish | |
|---|---|---|
| Seat cushion padding | Injected polyurethane foam over S-shaped spring support, wrapped in polyester fiber | |
| Backrest and armrest padding | Molded polyurethane foam with contoured edge support for lumbar and arm comfort | |
| Internal seat frame | 1.5 mm thick powder-coated steel tube frame with welded joints | |
| 4-prong spider base | 1.8 mm thick powder-coated matte black steel legs with angled splay | |
| Swivel turntable mechanism | 3 mm thick steel ball-bearing swivel plate mounted between seat and base | |
| Floor protection glides | Non-marking black polyethylene glides press-fit to each base leg end | |
| Edge stitching | Matching brown polyester thread with 8 mm seam pitch along all upholstery seams | |
| 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
| Swivel operation | Smooth 360-degree rotation via ball-bearing turntable, no rotation lock or tilt function | |
|---|---|---|
| Height adjustment | Fixed seat height with no gas lift or height adjustment mechanism installed | |
| Mobility feature | Fixed non-castered base with plastic glides designed for hard-floor use, no wheel movement | |
| Seating support | Integrated wraparound armrests provide side and elbow support during dining or guest seating | |
| Floor protection | Soft polyethylene glides prevent scratching on hardwood, tile, or luxury vinyl flooring | |
| Cleaning maintenance | Wipe-clean non-porous faux leather surface resists liquid spills and common household stains | |
| Assembly requirement | Tool-based attachment of 4 base legs to central swivel hub using included hex hardware | |
| 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
| Residential dining space | Use as a head or side dining chair for modern minimalist dining tables 760 mm high | |
|---|---|---|
| Home office guest seating | Place beside a desk or in a reading nook for casual meetings and focused reading | |
| Commercial reception area | Deploy in office lobbies, co-working lounges, or hotel waiting areas for guest seating | |
| Bedroom vanity seating | Use at a makeup vanity with table height 750 mm for grooming activities | |
| Open-concept living accent seating | Position in living room accent zones as a statement occasional chair | |
| Café and bistro seating | Install in casual dining establishments with hard-surface flooring | |
| 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 12520:2015 | Domestic furniture seating strength, durability, and safety performance requirements | |
|---|---|---|
| EN 1022:2018 | Furniture seating stability test method for upright non-reclining chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Performance standard for lounge and public area seating structural durability | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 (clause 12) | Swivel mechanism cycle durability requirement for non-adjustable seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden and upholstered furniture strength and stability | |
|---|---|---|
| GB/T 16799-2008 | Performance specification for polyurethane artificial leather used in furniture upholstery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden and upholstered furniture strength and stability; 2. GB/T 16799-2008: Performance specification for polyurethane artificial leather used in furniture upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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