| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 520 x 560 x 820 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 480 mm | |
| Seat depth | 430 mm | |
| Backrest height | 380 mm | |
| Backrest width at top | 470 mm | |
| Leg tube diameter | 22 mm | |
| Under-seat leg clearance | 280 mm | |
| Seat cushion thickness | 80 mm | |
| Leg splay width at floor | 540 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 weight capacity | 136 kg | |
|---|---|---|
| Net weight per chair | 7.7 kg | |
| Recommended user count | 1 person per chair | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Fabric Martindale abrasion resistance | 30000 cycles | |
| Static base load rating | 272 kg | |
| 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 upholstery | White woven polyester fabric | |
|---|---|---|
| Cushion core padding | High-density polyurethane foam | |
| Internal seat support panel | 12mm thick plywood | |
| Leg construction | 1.2mm thick welded iron tubing | |
| Leg surface finish | Bronze-toned powder coating | |
| Floor contact glides | Polymer with felt backing | |
| Hidden upholstery backing | Non-woven polyester fabric | |
| Leg fasteners | Zinc-plated steel screws | |
| 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 support | Fixed upright posture support | |
|---|---|---|
| Floor leveling | Fixed non-adjustable glide pads | |
| Assembly requirement | Knock-down leg attachment | |
| Cleaning compatibility | Spot-cleanable fabric surface | |
| Stacking capability | Non-stackable fixed frame | |
| Edge comfort | Rounded seat and back edges | |
| Outdoor use suitability | Indoor use only | |
| 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 750mm height dining tables for daily meal seating | |
|---|---|---|
| Open-plan kitchen spaces | Compact armless profile fits small breakfast nooks and kitchen islands | |
| Home office visitor areas | Suitable for short-term guest seating adjacent to home workstations | |
| Cafe and bistro seating | Matches minimalist light luxury decor for casual food service spaces | |
| Showroom and staging applications | Neutral white finish complements modern interior design displays | |
| Recommended table clearance | Pair with tables providing 280mm minimum knee clearance for comfortable use | |
| 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 residential seating | |
|---|---|---|
| EN 1022:2018 | Domestic seating stability test standard for upright chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to hidden structural panels | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable to iron leg frames | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for wood furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to hidden structural panels; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to iron leg frames; 3. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for wood furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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