| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 480 x 580 x 950 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
| Product net weight | 9 kg | |
|---|---|---|
| Static seat load capacity | 136 kg | |
| Recommended user weight limit | 110 kg | |
| Upholstery abrasion resistance | 30000 double rubs | |
| Seat foam density | 35 kg/m³ | |
| Frame joint static load rating | 1500 N | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame and legs | Solid rubberwood with dark espresso wood finish | |
|---|---|---|
| Seat upholstery | Light off-white woven polyester fabric | |
| Backrest upholstery | Matching light woven polyester fabric | |
| Seat padding | High resilience polyurethane foam | |
| Backrest padding | 15mm thick polyurethane foam | |
| Backrest frame panel | 12mm thick plywood substrate | |
| Seat support base | 15mm thick plywood panel | |
| Joinery hardware | Zinc-plated steel corner brackets and wood screws | |
| 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 function | Stationary fixed armless seating for dining use, no tilt or swivel mechanism | |
|---|---|---|
| Back support | Vertical rectangular padded backrest provides mid-back lumbar support | |
| Stacking capability | Non-stackable fixed frame design, intended for permanent placement | |
| Floor protection | Leg bases fitted with non-marking plastic glides to prevent floor scuffing | |
| Upholstery care | Fabric surface supports spot cleaning with mild upholstery detergent | |
| Seat comfort | Cushioned seat provides even weight distribution for 2 hour seated dining use | |
| 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 rooms | Pairs with standard height dining tables for formal or casual family meals, 480mm seat height matches 750mm table height | |
|---|---|---|
| Home breakfast nooks | Armless design saves space in compact dining areas, fits small table configurations | |
| Hotel guest room seating | Neutral two-tone design coordinates with classic and modern interior decor schemes | |
| Small office meeting spaces | Suitable for short-duration visitor seating in conference or breakout areas | |
| Event rental use | Durable wood frame supports frequent use for banquet and function events | |
| 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 – Strength, durability and safety – Requirements for domestic seating, applicable for structural performance validation | |
|---|---|---|
| EN 1022:2018 | Domestic furniture – Seating – Determination of stability, applicable for anti-tip safety testing |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for frame strength and finish quality inspection | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials – limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for frame strength and finish quality inspection; 2. GB 18584-2001: Indoor decorating and refurbishing materials – limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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