| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 490 x 850 mm | |
|---|---|---|
| Seat height | 490 mm | |
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Backrest height | 400 mm | |
| Backrest angle | 105 degrees | |
| Leg diameter at floor | 30 mm | |
| Gold foot cap height | 30 mm | |
| Seat cushion thickness | 80 mm | |
| Leg splay span (front to back) | 470 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 | 7 kg | |
|---|---|---|
| Maximum static user weight capacity | 136 kg | |
| Recommended daily use duration per seating | 4 hours | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 30000 cycles | |
| Leg static load capacity per leg | 60 kg | |
| Floor protector scratch resistance | Pass for hard tile and wood floors | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back outer shell | Contrasting matte PU leather | |
|---|---|---|
| Inner seating surface upholstery | Quilted PU leather with diamond stitching | |
| Seat cushion fill | High-density polyurethane foam | |
| Backrest fill | 35 kg/m³ polyurethane foam | |
| Internal support frame | 12 mm thick plywood structural frame | |
| Legs | Powder-coated black tapered metal legs | |
| Leg foot caps | Polished zinc alloy gold finish caps | |
| Floor protection pads | 3 mm thick non-slip rubber pads | |
| Seam stitching | Bonded polyester thread 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed upright seating position for dining and casual use | |
|---|---|---|
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Floor protection function | Non-marking rubber foot pads prevent scratches on hard flooring | |
| Upholstery maintenance | Wipe-clean water and stain resistant PU surface | |
| Weight distribution | Splayed four-leg base provides anti-tip stability for normal use | |
| Quilted surface function | Stitched quilting prevents foam shift with extended use | |
| Stacking compatibility | Non-stackable 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 use | Suitable for placement around standard height dining tables for daily meals | |
|---|---|---|
| Kitchen island seating | Armless compact design fits under kitchen counter overhangs for casual dining | |
| Home office visitor seating | Suitable for short-term guest seating in home offices or meeting nooks | |
| Restaurant and cafe seating | Durable wipe-clean upholstery suitable for light commercial food service use | |
| Modern luxury interior schemes | Two-tone finish and gold leg accents match contemporary light-luxury decor styles | |
| Small space dining setups | Armless design allows more chairs to be placed around compact 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 | Furniture - Strength, durability and safety for domestic seating, recommended structural performance benchmark | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - Seating - Determination of stability, recommended anti-tip performance benchmark |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to structural frame safety and dimensional tolerances | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits for plywood components | |
| GB/T 16799-2008 | Standard for polyurethane leather used in furniture upholstery, applicable to upholstery material performance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to structural frame safety and dimensional tolerances; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits for plywood components; 3. GB/T 16799-2008: Standard for polyurethane leather used in furniture upholstery, applicable to upholstery material performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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