| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 610 x 590 x 810 mm | |
|---|---|---|
| seat height | 510 mm | |
| seat width | 490 mm | |
| seat depth | 430 mm | |
| seat cushion thickness | 120 mm | |
| backrest height above seat | 300 mm | |
| armrest height above seat | 180 mm | |
| leg cross-section diameter | 35 mm | |
| front knee clearance under seat | 260 mm | |
| outward leg splay width at floor | 640 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 chair weight | 10 kg | |
|---|---|---|
| maximum static load capacity | 136 kg | |
| seat foam density | 35 kg/m³ | |
| seat foam rebound rate | 42 % | |
| upholstery fabric abrasion resistance | 30000 Martindale cycles | |
| frame joint static load durability | 100000 cycles | |
| floor glide load rating per leg | 40 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery cover | Taupe woven polyester fabric, 0.8 mm thick | |
|---|---|---|
| seat cushion core | High-density polyurethane foam, CFC-free | |
| backrest/arm shell padding | 25 mm thick medium-density polyurethane foam over rigid core | |
| seat support frame | 18 mm thick birch plywood, reinforced with corner blocks | |
| legs and perimeter seat rail | Solid rubberwood with matte black lacquer finish | |
| frame joinery hardware | Zinc-plated steel bolts and dowel joints | |
| floor contact glides | Injection-molded nylon with felt base | |
| seam construction | Stitched with 6 mm seam pitch, matching taupe thread | |
| 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 splayed frame, no swivel, tilt or height adjustment | |
|---|---|---|
| arm support design | Continuous curved integrated armrests extending from backrest wrap | |
| floor protection | Replaceable felt-backed nylon glides on all four leg bases | |
| assembly requirement | Knock-down leg attachment to pre-assembled seat/back shell | |
| cleaning suitability | Stain-resistant treated fabric surface, wipe-clean with damp cloth | |
| stacking capability | Non-stackable fixed frame design | |
| positioning flexibility | Works pulled fully up to dining tables without arm collision | |
| 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 6seat dining sets | |
|---|---|---|
| home office guest seating | Provides compact fixed-position seating for visitor use at desks | |
| cafe and bistro seating | Suitable for light commercial casual dining spaces with 4person tables | |
| bedroom accent seating | Works as vanity or spare seating in master or guest bedrooms | |
| breakout area seating | Provides casual seating in office pantry or collaborative breakout zones | |
| matching configuration recommendation | Purchase in sets of 2, 4 or 6 to coordinate with round or rectangular 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 | Applies to strength, durability and safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Applies to stability testing for four-legged upright seating furniture | |
| EN 14465:2004 | Applies to upholstery fabric abrasion and performance testing for seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applies to general technical requirements for wooden furniture used in domestic dining settings | |
|---|---|---|
| GB 18584-2001 | Applies to limits of harmful formaldehyde emissions from wood-based frame components | |
| GB 20286-2006 | Applies to fire retardant performance requirements for public venue upholstered seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applies to general technical requirements for wooden furniture used in domestic dining settings; 2. GB 18584-2001: Applies to limits of harmful formaldehyde emissions from wood-based frame components; 3. GB 20286-2006: Applies to fire retardant performance requirements for public venue upholstered seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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