| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 810 x 1060 mm | |
|---|---|---|
| Seat height | 465 mm | |
| Seat width | 575 mm | |
| Seat depth | 550 mm | |
| Backrest height | 630 mm | |
| Armrest height from seat | 180 mm | |
| Four-star base spread diameter | 700 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest rake angle | 110 degrees | |
| Base leg height clearance | 25 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 | 159 kg | |
|---|---|---|
| Net product weight | 37 kg | |
| Seat foam density | 60 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Backrest foam thickness | 80 mm | |
| Seam stitch pitch | 8 stitches per 25mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Base static load rating | 180 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer shell upholstery | Top-grain aniline tan leather | |
|---|---|---|
| Seat cushion upholstery | Matching full-grain tan leather | |
| Internal support frame | 1.5mm thick welded steel tube | |
| Seat cushion core | High-resilience polyurethane foam | |
| Backrest padding | Dual-density polyurethane foam | |
| Swivel base structure | 2mm thick powder-coated black steel | |
| Base floor glides | Non-marking hard rubber pads | |
| Piping detail | Black contrast edge stitching | |
| Swivel mechanism | Powder-coated steel 360-degree rotation bearing | |
| Back panel substrate | 12mm thick molded plywood | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Rotation function | 360-degree full swivel on central steel bearing | |
|---|---|---|
| Cushion design | Removable zip-secured thick seat cushion | |
| Seating posture support | Enveloping contoured shell with 110-degree back rake | |
| Floor protection | Non-scratch rubber glides on each base leg tip | |
| Stability design | 700mm wide four-star leg spread | |
| Height adjustment | Fixed non-adjustable seat height | |
| Tilt function | Fixed back angle with no recline adjustment | |
| Armrest integration | Continuous armrests formed with back and seat shell | |
| 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
| Modern living room seating | Pair with low-profile coffee tables for casual conversation areas | |
|---|---|---|
| Office reception and lounge zones | Place in waiting areas for visitor comfort with premium aesthetic | |
| Hotel lobby and guest room use | Deploy in suite corners or lobby lounge pods for upscale seating | |
| Private study reading nooks | Position next to floor lamps for relaxed upright reading support | |
| Boutique retail waiting areas | Use in luxury store fitting room waiting zones for premium feel | |
| Executive office breakout areas | Place away from work desks for informal meeting spaces | |
| 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 16139:2013 | Applicable to strength, durability and safety requirements for non-domestic lounge seating | |
|---|---|---|
| EN 1022:2018 | Applicable to stability testing for fully upholstered lounge chairs without height adjustment | |
| EN 13356:2021 | Applicable to anti-scratch floor protection requirements for chair base contact points |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Applicable to performance and durability testing for lounge and public area seating | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 (clause 7) | Applicable to static load testing for chair bases and support structures |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for wooden and upholstered furniture strength and stability | |
|---|---|---|
| GB 20400-2006 | Applicable to leather upholstery limits of harmful substances for furniture use | |
| GB/T 16799-2008 | Applicable to performance testing of furniture upholstery leather materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for wooden and upholstered furniture strength and stability; 2. GB 20400-2006: Applicable to leather upholstery limits of harmful substances for furniture use; 3. GB/T 16799-2008: Applicable to performance testing of furniture upholstery leather materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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