| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 670 x 980 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat width | 560 mm | |
| Seat depth | 495 mm | |
| Backrest height above seat | 470 mm | |
| Backrest width at widest point | 470 mm | |
| Leg taper diameter at floor contact | 30 mm | |
| Seat frame rail thickness | 30 mm | |
| Seat pad thickness at front edge | 160 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 weight capacity | 130 kg | |
|---|---|---|
| Unit net weight | 11.8 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Static leg load rating per leg | 40 kg | |
| Warranty period | 1 year | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven polyester fabric, 0.8 mm thick | |
|---|---|---|
| Seat core padding | High-density polyurethane foam, 160 mm thick | |
| Backrest core padding | Medium-density polyurethane foam, 80 mm thick | |
| Internal seat frame | 18 mm thick plywood panel | |
| Legs and support frame | Solid rubberwood with matte black lacquer finish | |
| Foot glides | Non-marking nylon adjustable glides | |
| Seam construction | Stitched edge seams with 8 mm stitch pitch | |
| 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
| Design configuration | Armless profile to allow full tuck-under standard 750 mm high dining tables | |
|---|---|---|
| Posture support | Contoured rounded backrest provides lumbar and mid-back support for upright dining | |
| Floor protection | Adjustable foot glides compensate for uneven floor surfaces up to 5 mm height difference | |
| Assembly requirement | Knock-down leg attachment with included hardware, no specialty tools needed | |
| Surface maintenance | Spot-cleanable fabric upholstery for routine spill removal during dining use | |
| Stacking capability | Non-stackable fixed solid wood frame construction | |
| 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 rooms | Pairs with standard-height dining tables for 6seat table configurations | |
|---|---|---|
| Kitchen breakfast nooks | Compact armless profile fits tight dining nooks and small apartment kitchens | |
| Cafe and casual restaurant seating | Durable fabric and wood construction supports daily commercial cafe use | |
| Home office side seating | Works as a guest chair positioned adjacent to home office desks | |
| Recommended configuration | Sold in sets of 2, 4 or 6 to match standard dining table sizes | |
| 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 | Domestic furniture seating strength, durability and safety requirements for dining chairs | |
|---|---|---|
| EN 1021-1:2014 | Upholstery ignition resistance to smouldering cigarette, recommended for residential use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame dining chairs | |
|---|---|---|
| GB/T 1952.2-2023 | Upholstered furniture seating performance test methods, applicable for seat/back durability validation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame dining chairs; 2. GB/T 1952.2-2023: Upholstered furniture seating performance test methods, applicable for seat/back durability validation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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