| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 470 x 600 x 880 mm | |
|---|---|---|
| Seat height | 490 mm | |
| Seat depth | 430 mm | |
| Seat width | 470 mm | |
| Backrest height above seat | 390 mm | |
| Leg height (floor to seat rail) | 450 mm | |
| Front leg diameter (upholstered) | 45 mm | |
| Rear leg splay angle from vertical | 8 degrees | |
| Seat front edge radius | 15 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 | 150 kg | |
|---|---|---|
| Net weight per chair | 8 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Backrest padding thickness | 30 mm | |
| Seat cushion padding thickness | 50 mm | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Limited warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal support frame | 1.5mm thick welded carbon steel tube | |
|---|---|---|
| Upholstery material | 1.2mm thick saddle leather-look polyurethane | |
| Seat core padding | High-density polyurethane foam, CFC-free | |
| Backrest padding | Medium-density polyurethane foam, shaped for lumbar contour | |
| Leg core structure | Tapered steel tube insert fully wrapped in matching upholstery | |
| Foot floor protectors | 8mm thick non-marking rubber pads | |
| Seam construction | Reinforced polyester stitching matching upholstery color | |
| Surface finish | Satin matte cognac brown upholstery with no visible grain texture | |
| 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
| Base configuration | Fixed four-leg non-swivel base, no tilt or height adjustment | |
|---|---|---|
| Back support | Angled 8-degree backward slope for upright dining posture | |
| Floor protection | Rubber foot pads to reduce sliding and prevent hard floor damage | |
| Cleaning maintenance | Wipe-clean upholstery surface, use dry or slightly damp soft cloth | |
| Color customization | Available in cognac brown, black, white, grey, green, blue, anthracite | |
| Assembly requirement | Delivered fully assembled, no on-site installation required | |
| Seating configuration | Armless design allows tucking fully under dining tables | |
| Frame stability | Welded frame joints to withstand repeated daily dining 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 | Suitable for standard 750mm height dining tables, armless form saves space | |
|---|---|---|
| Commercial cafe/restaurant seating | 50000-cycle abrasion rating supports high-traffic daily commercial use | |
| Home office guest/side seating | Slim profile fits compact workspaces as additional visitor seating | |
| Hotel guest room seating | Fully upholstered monobloc design matches contemporary hospitality furnishing schemes | |
| Conference room breakout seating | Fixed stable base supports short-duration collaborative meeting use | |
| Recommended table pairing | 760 mm height dining tables with 650mm minimum under-table clearance | |
| 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 | |
| EN 13759:2012 | Furniture - Seating - Test methods for upholstered furniture components |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden/metal furniture for dining use | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in interior decoration furniture materials | |
| GB/T 10357.3-2013 | Test method for strength and durability of chair seats and backs |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden/metal furniture for dining use; 2. GB 18584-2001: Limit of harmful substances in interior decoration furniture materials; 3. GB/T 10357.3-2013: Test method for strength and durability of chair seats and backs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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