| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 660 x 851 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 520 mm | |
| Seat depth | 470 mm | |
| Backrest height | 420 mm | |
| Armrest height from floor | 660 mm | |
| Armrest height from seat | 180 mm | |
| Leg base spread (front to back) | 590 mm | |
| Leg base spread (side to side) | 570 mm | |
| Seat cushion thickness | 80 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 unit | 11 kg | |
|---|---|---|
| Recommended static load capacity | 127 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Floor protection load rating per foot pad | 32 kg | |
| Warranty (residential use) | 1 year | |
| Warranty (commercial use) | 3 years | |
| 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 | 1.2 mm thick dark green smooth faux leather (PU) | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Backrest padding | 30 mm thick medium-density polyurethane foam | |
| Structural frame under upholstery | 18 mm thick multilayer bent plywood | |
| Leg material | Dark espresso-finished solid rubberwood | |
| Leg finish | Matte dark wood stain with scratch-resistant sealant | |
| Foot pads | Non-marking TPE anti-slip floor protectors | |
| Seat-to-leg hardware | Zinc-plated steel bolt and bracket assembly | |
| Upholstery stitching | Nylon-bonded thread with 8 mm seam pitch | |
| Armrest core | Integral plywood frame wrapped in matching foam and upholstery | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed upright seating position optimized for dining | |
|---|---|---|
| Integrated armrest support | Wraparound curved armrests provide continuous forearm support | |
| Floor leveling | Fixed non-adjustable TPE foot pads | |
| Cleaning function | Smooth non-porous faux leather surface allows wipe-clean maintenance | |
| Assembly requirement | Knock-down (KD) leg attachment with included hardware | |
| Stacking capability | Non-stacking fixed structure | |
| Weight distribution | Splayed four-leg geometry distributes occupant weight evenly | |
| Posture support | Contoured 105-degree back angle supports upright dining posture | |
| 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 | Pairs with standard height dining tables for 6person seating sets | |
|---|---|---|
| Light commercial restaurant use | Suitable for cafes, bistros and boutique hotel dining areas | |
| Home office guest seating | Works as visitor side chair next to home office desks | |
| Open-plan kitchen seating | Fits kitchen island peninsulas and breakfast nooks | |
| Waiting area seating | Suitable for small office reception or salon waiting spaces | |
| Meeting room breakout seating | Pairs with small meeting tables for collaborative breakout spaces | |
| 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 | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating determination of stability, applies to four-leg design | |
| EN 16139:2013 | Non-domestic seating strength requirements for light contract restaurant use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applies to solid wood leg structure | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wood furniture, applies to finish and adhesive materials | |
| GB/T 16799-2008 | Technical specification for polyurethane leather, applies to faux leather upholstery | |
| GB/T 10357.3-2013 | Furniture mechanical test for chair strength and durability, applies to structural validation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to solid wood leg structure; 2. GB 18584-2001: Limit of harmful substances in wood furniture, applies to finish and adhesive materials; 3. GB/T 16799-2008: Technical specification for polyurethane leather, applies to faux leather upholstery; 4. GB/T 10357.3-2013: Furniture mechanical test for chair strength and durability, applies to structural validation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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