| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 610 x 890 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat cushion thickness | 102 mm | |
| Backrest height above seat | 350 mm | |
| Backrest width | 520 mm | |
| Front leg taper length | 420 mm | |
| Rear leg splay angle from vertical | 8 degrees | |
| Horizontal stretcher height above floor | 180 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
| Static load capacity | 136 kg | |
|---|---|---|
| Net weight per chair | 8 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 30000 double rubs | |
| Seam stitch pitch | 8 stitches per inch | |
| Recommended daily use duration | 8 hours | |
| 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
| Leg frame | Solid rubberwood with walnut-toned stain finish | |
|---|---|---|
| Central back stretcher | Solid hardwood vertical support connecting backrest to rear frame | |
| Horizontal support stretchers | Solid hardwood cross bars connecting adjacent legs below seat | |
| Upholstery fabric | Textured linen-look 100% polyester woven fabric, moss green | |
| Seat cushion core | High-density polyurethane foam padding | |
| Backrest padding | 25 mm thick soft polyurethane foam layer | |
| Foot caps | Felt floor protection pads affixed to leg bases | |
| Joinery hardware | Zinc-plated steel dowels and screw connectors | |
| 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 armless upright seating for standard 750 mm height dining tables | |
|---|---|---|
| Back support | Curved oval padded backrest provides mid-back lumbar support | |
| Frame stability | Splayed four-leg design with cross stretchers prevents wobble during use | |
| Floor protection | Felt foot caps slide smoothly without scratching hard flooring | |
| Assembly requirement | Knock-down assembly with included hardware and instructions | |
| Cleaning method | Spot-clean fabric with mild upholstery cleaner, wipe wood with damp cloth | |
| Stacking compatibility | Non-stackable fixed frame design | |
| 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 | Seating for 6place settings at standard height rectangular or round dining tables | |
|---|---|---|
| Kitchen breakfast nook | Compact armless profile fits small spaces without blocking walkways | |
| Home office visitor seating | Appropriate seat height for use alongside 750 mm height office desks for guest seating | |
| Cafe and bistro casual dining | Durable fabric and wood construction suits light commercial food service spaces | |
| Small apartment open plan living | Mid-century aesthetic complements modern minimalist interior design schemes | |
| Matching set configuration | Available as sets of 2 or 4 to coordinate with walnut-tone dining 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 | Domestic furniture seating strength, durability and safety requirements for dining chairs | |
|---|---|---|
| EN 1022:2018 | Domestic seating stability test method to verify splayed leg stability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame strength and stability checks | |
|---|---|---|
| GB/T 1952.1-2012 | Upholstered furniture seating durability test standard for domestic dining use | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture for indoor environmental compliance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame strength and stability checks; 2. GB/T 1952.1-2012: Upholstered furniture seating durability test standard for domestic dining use; 3. GB 18584-2001: Limit of harmful substances in wooden furniture for indoor environmental compliance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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