| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 820 x 900 x 810 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width between inner arms | 660 mm | |
| Seat depth from front edge to backrest | 640 mm | |
| Backrest height above seat surface | 380 mm | |
| Armrest height above seat surface | 180 mm | |
| Seat cushion thickness | 150 mm | |
| Base contact width with floor | 800 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 | 150 kg | |
|---|---|---|
| Net product weight | 28 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 55% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| 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
| Internal support frame | 18 mm thick engineered plywood | |
|---|---|---|
| Outer shell upholstery | Dark taupe woven polyester fabric | |
| Seat and front base upholstery | Cream off-white woven polyester fabric | |
| Seat cushion fill | High-density polyurethane foam | |
| Frame padding layer | 20 mm thick medium-density foam under outer fabric | |
| Base floor contact pads | 3 mm thick non-slip rubber pads | |
| Edge finishing | Matching fabric piping along all curved seams | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Single-person static fixed seating | |
|---|---|---|
| Cushion design | Removable recessed seat cushion | |
| Support structure | Continuous wrap-around back and integrated arms | |
| Base design | Fully upholstered enclosed base flush to floor | |
| Stability feature | Wide square floor contact footprint | |
| Care and maintenance | Spot-clean fabric upholstery | |
| 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
| Shipping carton dimensions | 850 x 850 x 900 mm | |
|---|---|---|
| Gross shipping weight | 31 kg | |
| Total shipping volume per unit | 0.65 CBM | |
| 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 | Pairs with sofas and coffee tables for additional casual lounge seating | |
|---|---|---|
| Bedroom reading nook | Compact footprint fits small spaces for relaxed reading and relaxation | |
| Office reception area | Minimalist two-tone design complements modern workspace visitor seating | |
| Hotel lobby lounge zones | Durable construction suitable for light commercial public space use | |
| Boutique waiting areas | Soft curved silhouette creates welcoming seating for hospitality environments | |
| 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 1022:2018 | Seating furniture stability testing standard, recommended for finished product verification | |
|---|---|---|
| EN 12520:2015 | Domestic seating strength, durability, and safety requirements for residential use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to framed upholstered seating | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, recommended for indoor air quality compliance | |
| GB/T 19817-2005 | Upholstered furniture fabric performance requirements for abrasion and colorfastness |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to framed upholstered seating; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, recommended for indoor air quality compliance; 3. GB/T 19817-2005: Upholstered furniture fabric performance requirements for abrasion and colorfastness; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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