| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 900 x 830 x 1050 mm | |
|---|---|---|
| Seat height | 435 mm | |
| Seat width | 660 mm | |
| Seat depth | 560 mm | |
| Backrest height above seat | 615 mm | |
| Armrest height above seat | 220 mm | |
| Four-star base leg span diameter | 760 mm | |
| Floor glide height | 8 mm | |
| Seat cushion thickness | 120 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 | 227 kg | |
|---|---|---|
| Net weight | 28 kg | |
| Seat foam density | 30 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Swivel rotation range | 360 degrees | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner upholstery (seat/inner back/armrests) | Houndstooth woven polyester fabric | |
|---|---|---|
| Outer shell upholstery | Dark brown matte faux leather | |
| Seat and back fill | High-resilience polyurethane foam | |
| Internal support frame | 1.5mm thick powder-coated iron tube | |
| Four-star swivel base | 2.0mm thick black powder-coated iron alloy | |
| Base floor glides | Non-marring hard plastic glides | |
| Upholstery stitching | 8mm seam pitch | |
| Swivel bearing assembly | Carbon steel rotating bushing | |
| 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 full rotation with no tilt lock | |
|---|---|---|
| Seat positioning | Fixed non-adjustable seat height with no lift mechanism | |
| Mobility | Stationary placement with floor-protective glides | |
| Arm support | Integrated wrap-around curved armrests for full forearm support | |
| Back support | Ergonomic enveloping winged high back for upper back and shoulder support | |
| Seat support | Contoured bucket seat with dense foam padding for relaxed lounging posture | |
| Cleaning maintenance | Spot clean with water-based upholstery cleaner for fabric, wipe leather with soft dry cloth | |
| 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
| Residential living room | Placement as standalone accent chair next to sofa for casual reading or conversation | |
|---|---|---|
| Home study or reading nook | Positioned near bookshelves for relaxed extended sitting and leisure reading | |
| Hotel guest room lounge area | Used as premium guest seating in boutique hotel room corner spaces | |
| Office breakout area | Installed in employee relaxation zones for informal meetings and break time use | |
| High-end retail lounge | Placed in waiting areas of fashion boutiques or premium service spaces for guest comfort | |
| Balcony casual seating | Positioned in enclosed sunrooms or covered balconies for relaxed leisure seating | |
| 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 | Stability test standard applicable to domestic and contract upholstered seating | |
|---|---|---|
| EN 12520:2015 | Strength, durability and safety requirements for residential seating | |
| EN 16139:2013 | Strength and durability requirements for non-domestic contract lounge seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Performance standard for lounge seating applied to stability and load rating validation |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden and metal framed upholstered furniture for indoor use | |
|---|---|---|
| GB 20400-2006 | Leather and faux leather upholstery material safety limit for harmful substances | |
| GB/T 19001-2016 | Quality management system guidance for consistent furniture production and delivery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden and metal framed upholstered furniture for indoor use; 2. GB 20400-2006: Leather and faux leather upholstery material safety limit for harmful substances; 3. GB/T 19001-2016: Quality management system guidance for consistent furniture production and delivery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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