| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 600 x 480 x 815 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat width | 560 mm | |
| Seat depth | 450 mm | |
| Backrest height from seat | 420 mm | |
| Armrest height from seat | 220 mm | |
| Under-seat knee clearance height | 450 mm | |
| Seat cushion thickness | 127 mm | |
| Leg splay width at floor | 580 mm | |
| Leg tube diameter | 25 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 | 9 kg | |
|---|---|---|
| Recommended static load capacity | 118 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Backrest foam thickness | 50 mm | |
| Upholstery abrasion resistance | 30000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Applicable user count | 1 adult per chair | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, back and armrest upholstery | Grey matte PU leatherette with tight tailored stitching | |
|---|---|---|
| Seat core padding | High-resilience polyurethane foam | |
| Backrest core padding | Medium-density polyurethane foam | |
| Integrated armrest frame | Padded rigid support encased in matching upholstery | |
| Chair support frame | 1.5mm thick powder-coated dark bronze steel | |
| Leg floor contact pads | Non-marking anti-scratch plastic glides | |
| Frame connection hardware | Zinc-plated steel KD assembly bolts and brackets | |
| Internal seat support panel | 12mm thick multilayer plywood under cushion | |
| 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 motion | Fixed non-swivel, non-reclining, non-height-adjustable structure | |
|---|---|---|
| Arm support function | Continuous integrated wrap-around armrests for forearm support during dining | |
| Back support function | Ergonomic contoured backrest with slight lumbar curve for upright dining posture | |
| Assembly requirement | Knock-down assembly with included hex key, hardware and instructions | |
| Floor protection function | Bottom glides prevent hard floor scratches and allow smooth repositioning | |
| Stacking capability | Non-stackable fixed frame 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
| Packaging materials | Five-layer corrugated carton with foam edge protection and polybag wrap | |
|---|---|---|
| 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 | Suited for standard 760 mm height dining tables in home dining rooms | |
|---|---|---|
| Cafe and casual restaurant seating | Durable metal frame and upholstered surface for high-traffic food service use | |
| Open office breakout areas | Comfortable upholstered seating for informal meeting or lunch spaces | |
| Hotel guest room and banquet seating | Contemporary styling suited for hospitality dining and lounge nooks | |
| Recommended table clearance | Requires minimum 640mm table apron clearance to fit armrests under tabletop | |
| Floor type compatibility | Suitable for hard wood, tile, and low-pile carpet floors with included glides | |
| 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 for domestic and contract seating strength/durability/safety, applicable for commercial use | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating stability test method, applicable for tip-resistance verification |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden and metal furniture, applicable for structural stability verification | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical test for chair seat and back strength, applicable for load performance acceptance | |
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, applicable for emission compliance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden and metal furniture, applicable for structural stability verification; 2. GB/T 10357.3-2013: Furniture mechanical test for chair seat and back strength, applicable for load performance acceptance; 3. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, applicable for emission compliance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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