| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 830 x 830 x 760 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 760 mm | |
| Seat depth | 560 mm | |
| Backrest height | 360 mm | |
| Base diameter | 700 mm | |
| Backrest split gap width | 20 mm | |
| Backrest slope angle | 105 degrees | |
| 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 | 35 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Inner seat upholstery abrasion resistance | 40000 double rubs | |
| Outer shell upholstery abrasion resistance | 70000 double rubs | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Swivel mechanism cycle life | 30000 rotations | |
| 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
| Inner seat/back upholstery | Woven polyester fabric | |
|---|---|---|
| Outer shell upholstery | Heavy-duty matte black woven fabric | |
| Seat padding | High-density polyurethane foam | |
| Back padding | Medium-density polyurethane foam | |
| Inner frame | 15 mm thick plywood | |
| Swivel base plate | 2 mm thick powder-coated steel | |
| Swivel bearing | Zinc-plated steel ball bearing | |
| Bottom floor glide | 1 mm thick nylon ring | |
| 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 function | 360-degree full rotation | |
|---|---|---|
| Seat design | Armless curved bucket seat wrap | |
| Back feature | Vertical center split detail | |
| Mobility | Stationary rotating base, no casters | |
| Assembly | Minimal assembly required | |
| Upholstery care | Spot clean with mild detergent | |
| Configuration flexibility | Suitable for clustered group seating | |
| 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 waiting and reception areas | Compact armless design accommodates high-traffic visitor seating without bulk | |
|---|---|---|
| Breakout and collaborative lounge zones | 360-degree swivel allows flexible orientation for impromptu conversations | |
| Residential living room accent seating | Sculptural two-tone design serves as a statement piece in contemporary interiors | |
| Hotel lobby and public corridor seating | Durable high-abrasion upholstery withstands frequent public use | |
| Café and co-working space seating | Low-profile form does not obstruct sightlines in open plan environments | |
| 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 1022:2018 | Domestic furniture – Seating – Determination of stability | |
|---|---|---|
| EN 12520:2015 | Furniture – Strength, durability and safety for domestic seating | |
| EN 13759:2001 | Furniture – Seating test methods for swivel mechanisms |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge and public seating standard | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General purpose office chairs (applicable clauses) |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fabric furniture | |
| GB/T 35607-2017 | Technical requirements for green product evaluation furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture; 2. GB 20400-2006: Limit of harmful substances in leather and fabric furniture; 3. GB/T 35607-2017: Technical requirements for green product evaluation furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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