| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 800 x 840 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 590 mm | |
| Seat depth | 570 mm | |
| Backrest height | 360 mm | |
| Armrest height | 190 mm | |
| 4-star base diameter | 800 mm | |
| Central stem height | 205 mm | |
| Mounting plate dimensions | 185 x 185 x 4 mm | |
| Floor clearance under seat | 150 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 product weight | 28 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat foam density | 35 kg/m³ | |
| Seat foam thickness | 120 mm | |
| Backrest foam thickness | 80 mm | |
| Fabric abrasion resistance | 50000 double rubs | |
| Swivel rotation cycle rating | 30000 cycles | |
| 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
| Outer upholstery | Camel beige woven polyester fabric | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Back/arm padding | Medium-density polyurethane foam | |
| Inner seat frame | 18mm thick engineered plywood | |
| Swivel chassis | Concealed welded steel rotating mechanism | |
| Central support stem | 50mm diameter black powder-coated steel tube | |
| 4-prong base | 4mm thick flat black powder-coated steel | |
| Floor protection pads | 8mm thick non-marking rubber pads | |
| Seam construction | Concealed stitched seams 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 |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Smooth full-circle rotation on welded steel chassis, no auto-return | |
|---|---|---|
| Integrated wrap support | Continuous curved shell forms armrests and back for enveloping postural support | |
| Stationary fixed position | No casters, no height adjustment, no recline function for stable lounge seating | |
| Low-profile lounge posture | Fixed 105-degree seat-to-back angle optimized for relaxed casual seating | |
| Floor protection | Rubber end caps on all base prongs prevent scuffing on hard floor surfaces | |
| Quick deployment | Fully assembled construction ready for immediate use on delivery | |
| 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 reception areas | Provides comfortable guest seating with modern professional aesthetic | |
|---|---|---|
| Lounge and breakout spaces | Supports relaxed casual seating for informal meetings or short breaks | |
| Residential living rooms | Functions as a contemporary accent chair for living or reading nooks | |
| Hotel lobby waiting areas | Commercial-grade construction withstands high-traffic public area use | |
| Executive office guest seating | Complements executive desk areas without visual bulk | |
| Healthcare waiting rooms | Easy-clean upholstery and stable base suit patient and visitor 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 16139:2013 | Strength, durability and safety requirements for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Stability test standard for domestic and contract seating furniture |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Performance standard for lounge and public area seating | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General safety requirements applicable for commercial lounge seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden frame upholstered furniture | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture | |
| GB/T 1952.1-2012 | Mechanical performance requirements for upholstered seating furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden frame upholstered furniture; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture; 3. GB/T 1952.1-2012: Mechanical performance requirements for upholstered seating furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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