| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 580 x 850 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat depth | 500 mm | |
| Seat width | 480 mm | |
| Backrest height | 420 mm | |
| Armrest height above seat | 200 mm | |
| Armrest length | 220 mm | |
| Leg tube outer diameter | 25 mm | |
| Leg wall thickness | 1.2 mm | |
| Floor clearance under seat | 280 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 | 7 kg | |
|---|---|---|
| Static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 50 mm | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 mm | |
| Frame wobble rating | Grade 2 | |
| 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/armrest upholstery | 1.2mm thick wipe-clean microfiber PU leather | |
|---|---|---|
| Seat core filling | High-resilience polyurethane foam | |
| Backrest filling | Medium-density polyurethane foam | |
| Armrest support frame | Gunmetal matte painted carbon steel | |
| Leg structure | Tapered carbon steel tube with matte gunmetal powder coat | |
| Under-seat reinforcement | Cross-braced steel bar support | |
| Leg foot pads | Non-slip rubber floor protectors | |
| Upholstery backing | Non-woven fabric liner | |
| 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 posture | Fixed upright 105° seat-to-back angle | |
|---|---|---|
| Structural design | Fixed non-swivel, non-height-adjustable four-leg construction | |
| Armrest support | Integrated padded armrests aligned to seat edge | |
| Cleaning feature | Smooth non-porous upholstery surface | |
| Floor protection | Rubber foot caps on each leg end | |
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Back support | Curved rounded backrest with vertical center seam | |
| 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
| Home dining space | Pairs with 750mm height dining tables for daily family meals | |
|---|---|---|
| Tea room/tea table setup | Designed for dedicated tea service use at formal tea tables | |
| Small meeting/negotiation area | Suitable for casual office reception or meeting breakout spaces | |
| Cafe/light dining venue | Durable easy-clean upholstery suits commercial light food service | |
| Balcony leisure nook | Compact footprint fits small residential balcony seating areas | |
| Recommended table pairing | Matches with slim metal-frame or stone-top tea/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
| Domestic seating safety recommendation | EN 12520:2015 | |
|---|---|---|
| Furniture surface resistance recommendation | EN 15186:2012 |
Standards applicable to China-market projects
| Domestic furniture safety recommendation | GB/T 3324 | |
|---|---|---|
| Upholstered furniture durability recommendation | GB/T 27038 |
This product must meet the following technical requirements: 1. Domestic furniture safety recommendation: GB/T 3324; 2. Upholstered furniture durability recommendation: GB/T 27038; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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