| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 640 x 580 x 910 mm | |
|---|---|---|
| seat height | 510 mm | |
| seat width | 520 mm | |
| seat depth | 510 mm | |
| seat cushion thickness | 110 mm | |
| backrest height | 380 mm | |
| armrest height from floor | 700 mm | |
| front leg splay width | 580 mm | |
| rear leg splay depth | 580 mm | |
| open back cutout width | 380 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 per chair | 15.9 kg | |
|---|---|---|
| static weight capacity | 154 kg | |
| suitable dining table height | 760 mm | |
| foam density | 45 kg/m³ | |
| foam rebound rate | 60% | |
| upholstery abrasion resistance | 30000 cycles | |
| frame static load resistance | 200 kg | |
| warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| main frame | Solid rubberwood with matte black finish | |
|---|---|---|
| seat fill | High-density polyurethane foam | |
| seat upholstery | Light beige breathable woven linen-blend fabric | |
| leg feet | Non-marking plastic foot caps | |
| seat support base | 12mm thick plywood underlayment | |
| frame joinery | Mortise and tenon wood joinery with reinforced hardware | |
| backrest panel | 18mm thick solid wood, matching black frame finish | |
| armrest surface | Sanded smooth matte black wood, no sharp edges | |
| 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 posture optimized for dining use | |
|---|---|---|
| seat cushion | Removable padded cushion for easy cleaning | |
| arm support | Continuous wrap-around armrests for forearm support | |
| floor protection | Non-marking feet prevent scuffing on hard floor surfaces | |
| assembly requirement | Partial assembly required with included hardware | |
| stacking capability | Non-stackable fixed frame design | |
| cleaning method | Spot clean upholstery with mild detergent, wipe frame with dry cloth | |
| color customization | Custom wood finish and upholstery options available | |
| 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 | Pairs with standard height dining tables for everyday family meals | |
|---|---|---|
| commercial cafe use | Suitable for casual dining outlets with light to medium traffic | |
| hotel guest room seating | Works as desk or accent chair in boutique hotel room setups | |
| restaurant booth seating supplement | Can be used as end chair or standalone seating in modern restaurants | |
| home office guest seating | Provides fixed upright seating for short-term visitor use | |
| recommended table pairing | Matches dining tables 760 mm high for correct arm clearance | |
| floor type compatibility | Safe for wood, tile and laminate floors with non-marking foot caps | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Strength, durability and safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Stability testing standard for domestic seating furniture | |
| EN 16139:2013 | Strength and durability for non-domestic seating, commercial use reference |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable for indoor use | |
| GB/T 26706-2011 | Upholstered furniture durability testing, applicable to padded seat |
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 18584-2001: Limit of harmful substances in wooden furniture, applicable for indoor use; 3. GB/T 26706-2011: Upholstered furniture durability testing, applicable to padded seat; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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