| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 560 x 650 x 1080 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat width | 495 mm | |
| Seat depth | 495 mm | |
| Backrest height | 630 mm | |
| Seat cushion thickness | 80 mm | |
| Front leg taper width at floor | 30 mm | |
| Backrest central slat width | 120 mm | |
| Keyhole cutout length | 180 mm | |
| Front apron height | 60 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 | 20 kg | |
|---|---|---|
| Static load capacity | 113 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Recommended user weight | 113 kg | |
| Frame joint static load cycles | 10000 | |
| Seam stitch pitch | 8 stitches per 30mm | |
| 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
| Frame construction | Solid rubberwood with dark espresso/walnut stain finish | |
|---|---|---|
| Seat upholstery | Matte off-white woven polyester fabric | |
| Seat cushion core | High-density polyurethane foam with resilience layer | |
| Decorative accents | Brass-finish zinc alloy caps and inlays | |
| Back infill panels | Upholstered off-white fabric matching seat | |
| Frame joinery | Mortise-and-tenon joints with corner block reinforcement | |
| Leg floor contact points | Felt floor protection pads | |
| Front apron detail | Curved solid wood rail with recessed brass inlays | |
| 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 upright static seating for dining table use | |
|---|---|---|
| Back support | Tall upright open back with lumbar support from central slat | |
| Floor protection | Felt pads on leg bases prevent hardwood floor scratching | |
| Stacking capability | Non-stackable fixed frame design | |
| Upholstery maintenance | Spot-cleanable fabric surface for food spill removal | |
| Assembly requirement | Minimal leg attachment required out of box | |
| 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
| Packaged carton dimensions | 680 x 590 x 510 mm | |
|---|---|---|
| Packaged gross weight per chair | 22 kg | |
| 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 use | Permanent seating for standard height dining tables | |
|---|---|---|
| Hotel private dining room use | New Chinese style aesthetic matches upscale hospitality interiors | |
| Restaurant booth and table seating | Armless design allows flexible arrangement around tables | |
| Home office guest seating | Formal upright design suitable for visitor seating at workspaces | |
| Recommended table pairing | 760 mm height standard dining or conference tables | |
| 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 | Furniture - Strength, durability and safety for domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials - limit of harmful substances | |
| GB/T 1952.1-2012 | Performance test for upholstered furniture seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture; 2. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances; 3. GB/T 1952.1-2012: Performance test for upholstered furniture seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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