| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 820 x 790 x 800 mm | |
|---|---|---|
| Seat height (floor to seat top) | 490 mm | |
| Seat width (between integrated armrests) | 600 mm | |
| Seat depth (front edge to seat-back junction) | 540 mm | |
| Backrest height (seat top to back top) | 420 mm | |
| Armrest height (floor to arm top) | 640 mm | |
| 4-star base leg span diameter | 660 mm | |
| Base leg thickness | 20 mm | |
| Upholstery tufted grid section size | 180 x 180 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 | 136 kg | |
|---|---|---|
| Net product weight | 29 kg | |
| Swivel rotation range | 360 degrees | |
| Cushion compression set resistance (reference) | 40000 cycles | |
| Base finish scratch resistance | Grade 2 per cross-hatch adhesion test | |
| Floor glide load rating per foot | 35 kg | |
| 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
| Seat/back/arm upholstery | 1.2mm thick camel brown PU leather | |
|---|---|---|
| Inner support frame | 18mm thick kiln-dried hardwood + engineered plywood | |
| Seat support system | 3.8mm diameter no-sag sinuous steel springs | |
| Cushion fill | 32 kg/m³ high-rebound polyurethane foam wrapped with 100g Dacron | |
| Back fill | 28 kg/m³ polyurethane foam blended with polyester fiber | |
| Swivel base | 2mm thick matte black powder-coated steel 4-prong spider frame | |
| Swivel mechanism | 3mm thick steel ball-bearing swivel plate | |
| Floor contact glides | Black non-marking polyethylene glides | |
| Tufting stitching | Bonded polyester thread with 8mm seam 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
| Swivel operation | 360° free rotation via ball-bearing swivel plate, no auto-return | |
|---|---|---|
| Seating support | Fixed ergonomic bucket shape with integrated wrap-around armrests | |
| Floor protection | Smooth non-marking PE glides prevent hard floor scratches | |
| Assembly requirement | Knock-down base-to-seat attachment with pre-drilled holes | |
| Upholstery performance | Stain-resistant smooth surface allows wipe-clean maintenance | |
| Weight distribution | 4-point splayed leg base provides tip-resistant stability | |
| 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 use | Placed as accent seating next to sofas or coffee tables for casual relaxation | |
|---|---|---|
| Commercial lounge areas | Suitable for hotel lobbies, office breakout zones and co-working waiting spaces | |
| Modern interior schemes | Complements minimalist, mid-century and industrial decor styles with warm camel tone | |
| Quiet corner placement | Ideal for reading nooks or bedroom seating with its enveloping bucket design | |
| Hard floor compatibility | Non-marking glides suit wood, tile and polished concrete flooring surfaces | |
| 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 for domestic seating, applicable performance benchmark | |
|---|---|---|
| EN 1022:2019 | Furniture seating stability test method for non-tilting designs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Lounge seating durability and safety standard for commercial use | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | Static load test reference for general office seating base strength |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner frame construction | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fur, applicable for leather upholstery options | |
| GB/T 19943-2005 | Performance test method for furniture seating static load | |
| GB 18584-2001 | Limit of formaldehyde emission for wood-based furniture materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner frame construction; 2. GB 20400-2006: Limit of harmful substances in leather and fur, applicable for leather upholstery options; 3. GB/T 19943-2005: Performance test method for furniture seating static load; 4. GB 18584-2001: Limit of formaldehyde emission for wood-based furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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