| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 620 x 1016 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 533 mm | |
| Seat depth | 521 mm | |
| Backrest height | 470 mm | |
| Armrest height above seat | 203 mm | |
| Front leg splay width | 560 mm | |
| Rear leg span width | 490 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
| Assembled net weight | 17 kg | |
|---|---|---|
| Recommended static weight capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Upholstery fabric abrasion resistance | 30000 Martindale cycles | |
| Frame static load test rating | 300 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
| Structural frame | Solid birch hardwood with matte black lacquer finish | |
|---|---|---|
| Seat support panel | 12 mm thick plywood base | |
| Seat padding | 89 mm thick high-density polyurethane foam | |
| Backrest padding | 50 mm thick high-density polyurethane foam | |
| Upholstery fabric | Beige matte polyester fabric | |
| Armrest structure | Integral solid wood frame wrapped with matching upholstery | |
| Leg feet | Non-marking plastic floor glides | |
| Joinery hardware | Steel-reinforced mortise and tenon joints | |
| 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 function | Fixed-position upright seating for dining use | |
|---|---|---|
| Floor protection | Non-marking glides prevent floor scratches on hard surfaces | |
| Back support | Contoured padded backrest provides lumbar support for meals | |
| Arm support | Integrated armrests offer forearm support at table height | |
| Structural stability | Splayed tapered legs increase tip resistance for daily use | |
| 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 dining room | Matches modern minimalist interiors for daily meal seating at standard height tables | |
|---|---|---|
| Cafe and bistro seating | Durable construction suits light commercial food service environments | |
| Hotel guest room seating | Contemporary design works for in-room dining or desk seating areas | |
| Office breakout spaces | Upright posture appropriate for informal meeting and break areas | |
| Recommended table compatibility | Fits standard dining tables 760 mm tall with arm clearance | |
| Color scheme compatibility | Black frame and beige upholstery pairs with neutral and modern decor palettes | |
| 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, safety requirements for domestic seating, applicable to dining chairs | |
|---|---|---|
| EN 1022:2018 | Stability test method for domestic seating, applicable for tip resistance verification |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame | |
|---|---|---|
| GB/T 16799-2008 | Quality requirements for furniture upholstery fabrics, applicable to seating covers | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable for indoor use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame; 2. GB/T 16799-2008: Quality requirements for furniture upholstery fabrics, applicable to seating covers; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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