| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 900 x 880 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 560 mm | |
| Seat depth | 520 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest height from seat | 400 mm | |
| Armrest height from seat | 200 mm | |
| Four-star base leg span diameter | 680 mm | |
| Backrest thickness | 80 mm | |
| Armrest width at widest point | 80 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 | 15 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat foam density | 35 kg/m³ | |
| Backrest foam density | 20 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Base static load rating | 150 kg | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Standard warranty period | 3 years | |
| Available upholstery color options | 6 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | 1.2mm thick olive green PU faux leather | |
|---|---|---|
| Seat padding | High-resilience multi-density polyurethane foam | |
| Backrest padding | 20 kg/m³ polyether foam with polyester wadding | |
| Inner seat/back frame | 15mm thick plywood structural frame | |
| Swivel base | 20mm diameter matte black powder-coated tubular steel | |
| Foot glides | Non-marking hard plastic floor protection caps | |
| Swivel mechanism | 360-degree solid steel rotation plate | |
| Armrest structure | Integrated padded upholstery over steel inner support | |
| 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 without lock | |
|---|---|---|
| Floor protection | Non-marking glides prevent floor scratching on hard surfaces | |
| Ergonomic support | Curved wrap-around back and integrated arms provide lateral torso support | |
| Height adjustability | Fixed seat height with no gas lift adjustment | |
| Tilt function | Fixed upright seat position with no recline mechanism | |
| Assembly requirement | Knock-down base attachment to seat frame with included hardware | |
| Stability feature | Splayed 4-prong base distributes weight to prevent tipping on level floors | |
| Upholstery care | Smooth faux leather surface allows wipe-clean maintenance with mild detergent | |
| 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 meeting rooms | Fixed-height swivel design supports easy reorientation during collaborative discussions | |
|---|---|---|
| Home office desk use | Compact footprint and desk-appropriate seat height fit home workstations | |
| Reception and guest waiting areas | Smooth wipe-clean upholstery and modern aesthetic suit public visitor spaces | |
| Residential living spaces | Olive green finish and curved profile complement contemporary lounge or study spaces | |
| Hotel and co-working common areas | Light commercial grade construction supports frequent daily guest use | |
| Small conference pod seating | 360-degree swivel allows users to adjust position without moving the chair | |
| Accent seating in bedroom dressing areas | Compact armchair scale fits secondary seating needs in residential spaces | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-2:2018 | Office work chair safety requirements, reference for static load and stability testing | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating stability test methods, applicable for 4-star base validation | |
| EN 14465:2004 | Upholstery fabric abrasion resistance performance specification for seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard, reference for load and durability acceptance criteria | |
|---|---|---|
| ANSI/BIFMA X5.4-2019 | Lounge and guest seating standard, applicable for non-adjustable swivel armchair performance |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner plywood frame structural integrity | |
|---|---|---|
| GB/T 27901-2011 | General technical requirements for cold-rolled steel furniture bases, applicable to powder-coated metal base | |
| GB 20400-2006 | Leather and faux leather furniture harmful substance limit requirements, applicable to PU upholstery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner plywood frame structural integrity; 2. GB/T 27901-2011: General technical requirements for cold-rolled steel furniture bases, applicable to powder-coated metal base; 3. GB 20400-2006: Leather and faux leather furniture harmful substance limit requirements, applicable to PU upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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