| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 630 x 873 mm | |
|---|---|---|
| Seat height from floor | 495 mm | |
| Seat width between armrests | 470 mm | |
| Seat depth | 419 mm | |
| Backrest height above seat | 420 mm | |
| Armrest height above seat | 200 mm | |
| Leg splay outer width at floor | 610 mm | |
| Open cutout gap between back and seat | 120 mm | |
| Seat cushion thickness | 50 mm | |
| Leg cross-section dimension | 30 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
| Maximum static user weight capacity | 136 kg | |
|---|---|---|
| Net weight per chair | 7.5 kg | |
| Seat foam density | 35 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Floor glide scratch load rating | 150 kg per glide | |
| Shell static load bearing capacity | 200 kg | |
| Warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Back and arm shell | Matte white 5mm thick molded polypropylene | |
|---|---|---|
| Seat cushion cover | Woven houndstooth-pattern polyester fabric | |
| Seat cushion core | 50mm thick high-resilience polyurethane foam | |
| Support legs | Solid light oak wood with natural clear matte finish | |
| Leg mounting hardware | Zinc-plated steel M6 connecting bolts and brackets | |
| Floor protection glides | Non-marking black rubber foot caps | |
| Shell surface finish | Smooth matte non-textured PP finish | |
| Seam stitch pitch | 8 stitches per 30mm | |
| 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 design | Fixed four splayed solid wood legs, no swivel, tilt, or height adjustment | |
|---|---|---|
| Seat cushion design | Removable inset padded cushion secured to shell base | |
| Back support | Ergonomic curved contoured backrest with integrated wraparound armrests | |
| Open cutout feature | Horizontal open gap between backrest and seat to reduce visual weight | |
| Assembly requirement | Knock-down assembly required, legs attach to shell with included hardware | |
| Armrest function | Integrated curved armrests flush with shell edge to support forearms | |
| Floor protection | Rubber glides on each leg base to prevent scratching hard flooring | |
| Cleaning function | Smooth PP shell surface wipes clean with damp cloth, fabric cushion is spot-cleanable | |
| 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 space | Suitable for home dining rooms paired with 750mm height standard dining tables | |
|---|---|---|
| Commercial cafe setting | Appropriate for casual restaurants, coffee shops and co-working breakout areas | |
| Home office visitor seating | Usable as side guest chair for home workspaces or meeting rooms | |
| Small apartment dining nook | Suitable for compact kitchen diners and small apartment eating areas | |
| Balcony casual seating | Suitable for covered semi-outdoor balcony seating areas | |
| Conference break room use | Appropriate for office break rooms and pantry seating areas | |
| 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 | Seating furniture stability test method for non-adjustable fixed chairs | |
| EN 16139:2013 | Non-domestic seating strength for cafe and restaurant contract use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood legs | |
|---|---|---|
| GB/T 2828.1-2012 | Inspection sampling procedure for incoming quality control of furniture hardware | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture for indoor use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood legs; 2. GB/T 2828.1-2012: Inspection sampling procedure for incoming quality control of furniture hardware; 3. GB 18584-2001: Limit of harmful substances in wooden furniture for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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