| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 610 x 1130 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width between armrests | 520 mm | |
| Seat depth | 460 mm | |
| Armrest height from seat | 220 mm | |
| Backrest height above seat | 650 mm | |
| Backrest inclination angle | 20° | |
| Leg cross-section | 38 x 38 mm | |
| Stretcher height from floor | 120 mm | |
| Seat frame panel thickness | 20 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 | 30 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Recommended user count | 1 person | |
| Wood moisture content | 12% | |
| Finish abrasion resistance | 1000 cycles | |
| Structural service life | 10 years | |
| 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
| Main frame and legs | North American black walnut solid hardwood | |
|---|---|---|
| Seat panel | Solid hardwood framed insert panel | |
| Backrest slat | Solid hardwood carved split vertical slat | |
| Top rail end caps | Brass decorative fittings | |
| Joinery | Traditional mortise and tenon joints with hidden hardware reinforcement | |
| Surface finish | Matte wood wax oil coating | |
| Armrests | Bent solid hardwood continuous rails | |
| Stretchers | Solid hardwood perimeter cross braces | |
| 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
| Structural configuration | Fixed non-folding, non-swivel, non-reclining rigid frame | |
|---|---|---|
| Back support | Ergonomic angled split slat supports lumbar and upper back | |
| Arm support | Curved continuous armrests support forearms at relaxed height | |
| Stability design | Four perimeter cross stretchers prevent leg racking and wobble | |
| Floor protection | Recessed felt floor glides can be fitted to leg bottoms | |
| Seat compatibility | Compatible with custom removable fabric/leather seat cushions | |
| Assembly configuration | Fully assembled delivery with no complex on-site installation | |
| 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
| Tea room application | Primary guest/host chair for formal tea table settings | |
|---|---|---|
| Study application | Desk side chair for writing and reading | |
| Dining room application | Dining armchair for rectangular or round dining tables | |
| Commercial space application | Reception lounge seating for boutique hotels and private clubs | |
| Configuration recommendation | Pair with matching solid wood tea table, study desk or dining table | |
| User suitability | Suitable for adult users up to 150kg for long term static 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
| Formaldehyde emission recommendation | EN 13986:2004 Class E1 | |
|---|---|---|
| Seating strength recommendation | EN 12520:2015 Domestic seating strength and durability |
Standards applicable to China-market projects
| Formaldehyde emission recommendation | GB/T 39600E0 grade | |
|---|---|---|
| Furniture mechanical strength recommendation | GB/T 3324General technical requirements for wooden furniture | |
| Wood furniture durability recommendation | GB/T 4893.4Surface abrasion resistance test |
This product must meet the following technical requirements: 1. Formaldehyde emission recommendation: GB/T 39600E0 grade; 2. Furniture mechanical strength recommendation: GB/T 3324General technical requirements for wooden furniture; 3. Wood furniture durability recommendation: GB/T 4893.4Surface abrasion resistance test; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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