| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 490 x 490 x 820 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat diameter | 490 mm | |
| Backrest total height | 270 mm | |
| Backrest width | 490 mm | |
| Metal support post diameter | 32 mm | |
| Circular base ring diameter | 470 mm | |
| Central back slat width | 40 mm | |
| Seat cylinder height | 350 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
| Recommended static load capacity | 150 kg | |
|---|---|---|
| Net weight per unit | 10 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Leather upholstery abrasion resistance | 50000 cycles | |
| Frame static load safety factor | 2.0 | |
| Available color options | 6 | |
| 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
| Structural frame | 1.2mm thick polished carbon steel | |
|---|---|---|
| Seat upholstery | 1.0mm thick light grey faux leather | |
| Backrest upholstery | 1.0mm thick matching light grey faux leather | |
| Seat padding | High-density polyurethane foam | |
| Backrest padding | High-resilience polyurethane foam | |
| Base ring | 1.5mm thick polished steel tubing | |
| Central back slat | 1.2mm thick steel with circular decorative cutouts | |
| Seam construction | 8 stitches per inch | |
| 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 | Fixed non-swivel stationary seating | |
|---|---|---|
| Back support | Curved low backrest provides lumbar support | |
| Mobility | No casters, fixed floor placement | |
| Recline function | Fixed upright position, no recline mechanism | |
| Height adjustment | Fixed seating height, no gas lift | |
| Arm support | Armless design for unobstructed side entry | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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 tea room use | Paired with standard height tea tables for casual tea service | |
|---|---|---|
| Balcony casual seating | Compact footprint fits small balcony leisure areas | |
| Office reception area use | Light luxury styling suits modern front-of-house guest seating | |
| Living room side seating | Used as extra accent seating beside sofas or side tables | |
| Small meeting breakout areas | Lightweight movable seating for informal small group discussions | |
| 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 furniture seating safety | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture stability | EN 1022:2018 | |
| Leather upholstery performance | EN 13356:2014 |
Standards applicable to China-market projects
| Furniture structural safety | GB/T 3324 | |
|---|---|---|
| Upholstered furniture durability | GB/T 28007 | |
| Leather upholstery safety | GB 20400 |
This product must meet the following technical requirements: 1. Furniture structural safety: GB/T 3324; 2. Upholstered furniture durability: GB/T 28007; 3. Leather upholstery safety: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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