| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 820 x 900 x 900 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 600 mm | |
| Seat depth | 550 mm | |
| Backrest height | 420 mm | |
| Armrest height above seat | 220 mm | |
| Leg diameter | 20 mm | |
| Rear upholstered drop panel height | 350 mm | |
| Seat cushion thickness | 100 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 | 34.5 kg | |
|---|---|---|
| Recommended static user load | 136 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Fabric abrasion resistance | 50000 double rubs | |
| Seat suspension static load | 200 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
| Outer shell upholstery | Terracotta matte velvet fabric, 1.2mm thickness | |
|---|---|---|
| Inner back upholstery | Lighter amber velvet fabric, matching outer texture | |
| Seat cushion padding | High-density polyurethane foam, 100mm thickness | |
| Internal frame | Engineered hardwood composite, 18mm panel thickness | |
| Seat support | Polypropylene heavy-duty webbing, 50mm width | |
| Legs and underframe | Matte black powder-coated steel tubing, 1.2mm wall thickness | |
| Floor protection pads | Injection-molded polyethylene, 5mm thickness | |
| Seam construction | Stitched concealed seams, 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
| Position adjustment | Fixed non-reclining seating position, no tilt or swivel mechanism | |
|---|---|---|
| Wrap-around arm support | Continuous curved armrests integrated with backrest to form bucket enclosure | |
| Floor protection | Non-marking plastic glides fitted to each leg base | |
| Assembly requirement | Knockdown leg attachment with included hardware, 4 legs to secure | |
| Upholstery maintenance | Spot-cleanable velvet surface with non-fading color treatment | |
| Rear panel coverage | Upholstered drop panel conceals under-seat frame for finished rear view | |
| 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
| Carton dimensions | 800 x 800 x 800 mm | |
|---|---|---|
| Gross packed weight | 37 kg | |
| 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 as standalone accent seating beside sofas or side tables for casual lounge | |
|---|---|---|
| Waiting area | Place in office reception or boutique lounge spaces for guest seating | |
| Bedroom vanity seating | Position at dressing tables for comfortable upright seated use | |
| Hotel guest room | Deploy in corner seating zones for premium contemporary furnishing | |
| Coworking breakout zone | Use in informal collaborative spaces for short-term relaxed seating | |
| Reading nook | Pair with a floor lamp and small side table for dedicated individual 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 12520:2015 | Furniture - Strength, durability and safety for domestic seating, recommended for performance validation | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - Seating - Determination of stability, recommended for tip-resistance testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.41-2021 | Lounge and public seating standard, recommended for commercial application validation |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner frame structural integrity | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission control | |
| GB/T 19833-2005 | Furniture - Chairs and stools - Determination of strength and durability, applicable for seating testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner frame structural integrity; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission control; 3. GB/T 19833-2005: Furniture - Chairs and stools - Determination of strength and durability, applicable for seating testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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