| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 760 x 965 mm | |
|---|---|---|
| Seat height | 451 mm | |
| Seat depth | 490 mm | |
| Seat width | 560 mm | |
| Backrest height | 610 mm | |
| Armrest height above seat | 180 mm | |
| Four-star base span | 700 mm | |
| Floor clearance under base | 20 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 user weight capacity | 160 kg | |
|---|---|---|
| Net product weight | 24 kg | |
| Seat padding foam density | 28 kg/m³ | |
| Back padding foam density | 25 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Swivel rotation range | 360 degrees | |
| Limited warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal load-bearing frame | 1.5mm thick tubular steel welded frame | |
|---|---|---|
| Seat core padding | Cold-cured molded polyurethane foam | |
| Back and headrest padding | Layered high-resilience polyurethane foam | |
| Upholstery surface | Dark gray abrasion-resistant woven polyester fabric | |
| Swivel base construction | 1.8mm thick polished chrome-plated steel four-spoke star frame | |
| Central swivel mechanism | Powder-coated steel rotation stem with sealed ball bearing | |
| Floor contact pads | Non-marking 5mm thick TPE rubber glides on each spoke end | |
| Seam construction | Reinforced polyester stitching with 8mm stitch pitch | |
| 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
| Rotation function | 360-degree smooth unpowered swivel via sealed central bearing | |
|---|---|---|
| Seating posture | Fixed 115-degree reclined relaxed lounge angle | |
| Integrated support features | Molded raised winged headrest and side arm bolsters for full-body envelopment | |
| Floor protection | Non-marking rubber glides prevent hard floor scratching | |
| Movement restriction | Fixed stationary positioning, no casters or rocking function | |
| Assembly requirement | Minor attachment of base to upholstered shell required on delivery | |
| Color option availability | 10 standard upholstery color options including dark gray, black, off-white and blue | |
| Upholstery maintenance | Spot-cleanable fabric surface suitable for high-traffic commercial spaces | |
| Swivel stem height | 120 mm | |
| 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 |
Verified carton / gross weight / assembly / loading data
| Inner packaging protection | 5mm thick EPE foam wrap with corner protectors and corrugated carton | |
|---|---|---|
| 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
| Commercial office lounge areas | Suitable for waiting zones, breakout spaces and informal meeting areas | |
|---|---|---|
| Residential living rooms | Appropriate for casual seating in modern, minimalist or contemporary home interiors | |
| Hotel lobbies and guest floors | Ideal for public seating areas requiring durable, stylish fixed-lounge seating | |
| Co-working and flexible workspaces | Supports informal individual work, short breaks and casual conversations | |
| High-end reception areas | Coordinates with modern reception furniture for polished professional guest spaces | |
| Library and quiet study spaces | Provides comfortable upright-reclined posture for extended reading sessions | |
| 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 | Furniture strength, durability and safety requirements for domestic and commercial seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability resistance to smouldering cigarette ignition | |
| EN 1021-2:2014 | Upholstered furniture flammability resistance to match flame ignition |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Performance standard for lounge and public area seating, covering stability, load and durability | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Sustainability standard for furniture, applicable for low-emission material selection guidance |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden and upholstered furniture, applicable for structural stability validation | |
|---|---|---|
| GB 18584-2001 | Limits of harmful substances in interior decoration furniture, applicable for formaldehyde and VOC emission checks | |
| GB/T 10357.3-2013 | Test method for furniture strength and durability of seating, applicable for static and fatigue load testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden and upholstered furniture, applicable for structural stability validation; 2. GB 18584-2001: Limits of harmful substances in interior decoration furniture, applicable for formaldehyde and VOC emission checks; 3. GB/T 10357.3-2013: Test method for furniture strength and durability of seating, applicable for static and fatigue load testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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