| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 790 x 860 x 950 mm | |
|---|---|---|
| Seat height from floor | 510 mm | |
| Seat depth (usable surface) | 560 mm | |
| Seat width between armrests | 520 mm | |
| Backrest height from seat | 440 mm | |
| Armrest height from seat | 200 mm | |
| Leg height (floor to seat frame) | 310 mm | |
| Leg tube diameter | 25 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest thickness | 80 mm | |
| Leg splay angle from vertical | 12 degrees | |
| 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 | 30 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 30000 cycles | |
| Frame static load test rating | 150 kg | |
| Available color options | 8 | |
| Standard residential warranty | 12 months | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Textured woven polyester fabric, 350gsm weight | |
|---|---|---|
| Seat cushion fill | High-density polyurethane foam, no serpentine springs | |
| Inner seat/back frame | 12mm thick plywood panel | |
| Leg construction | 1.2mm thick carbon steel tube, matte black powder-coated finish | |
| Armrest structure | Integrated upholstered plywood shell matching back frame | |
| Seam construction | 8 stitches per inch, matching polyester thread | |
| Leg foot pads | 15mm diameter non-slip polyethylene glides | |
| Frame understructure cross bracing | 1.0mm thick steel connecting bars between legs | |
| 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
| Seating position | Fixed upright 100-degree back angle, no recline function | |
|---|---|---|
| Arm support | Continuous sloped wraparound arms integrated with backrest | |
| Mobility | Fixed non-swivel, non-rolling base with floor glides | |
| Level adjustment | 10mm height adjustable foot glides for uneven floors | |
| Cushion design | Fixed non-removable seat cushion secured to frame | |
| Cleaning method | Spot clean with soft damp cloth, no machine washing | |
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Weight distribution | Four-point leg support with equal load spread across base | |
| 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
| Living room accent seating | Position next to sofas or side tables for additional guest seating | |
|---|---|---|
| Bedroom corner seating | Place in bedroom corners for dressing or reading use | |
| Home office guest seating | Position in front of desks for short-term visitor use | |
| Dining area supplementary seating | Use as end chair at dining tables for mixed seating arrangements | |
| Small apartment multi-use seating | Suitable for studio apartments due to compact non-reclining footprint | |
| Reception waiting area seating | Deploy in small office or salon reception zones for 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 12520:2015 | Strength, durability and safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2019 | Stability testing for domestic and non-domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner plywood frame | |
|---|---|---|
| GB/T 19001-2016 | Quality management system guidance for production consistency |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner plywood frame; 2. GB/T 19001-2016: Quality management system guidance for production consistency; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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