| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 520 x 780 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
| Single chair net weight | 6.5 kg | |
|---|---|---|
| Static seat load capacity | 150 kg | |
| Recommended daily use cycle | 10000 | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery abrasion resistance | 30000 cycles | |
| 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
| Seat cushion upholstery | Smooth matte faux leather, stitched edge finish | |
|---|---|---|
| Backrest upholstery | Matching faux leather over curved padded core | |
| Seat and back padding | High-density polyurethane foam, 80mm seat thickness | |
| Main frame and legs | 1.2mm thick powder-coated matte black steel tubing | |
| Armrest structure | Brass-gold finished steel tubing, continuous curved design | |
| Frame connection points | Welded steel joints with protective paint finish | |
| Leg foot pads | Non-slip plastic floor protectors, 20mm diameter | |
| Internal back support | 6mm thick curved plywood panel under upholstery | |
| 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
| Fixed integrated armrests | Continuous curved armrests connect front legs to backrest for lateral support | |
|---|---|---|
| Fixed non-adjustable backrest | Curved half-moon backrest provides mid-back lumbar support for upright dining posture | |
| Non-swivel fixed leg base | Four straight splayed legs provide stable stationary support without rotation | |
| Stackable design compatibility | Chairs can be nested 4 units high for compact storage when not in use | |
| Stain-resistant upholstery surface | Smooth faux leather surface can be wiped clean with damp cloth for easy maintenance | |
| Floor protection function | Plastic foot caps on each leg prevent scuffing on hard wood, tile, and vinyl floors | |
| 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 as dining seating at 750mm high standard dining tables, matches modern minimalist interiors | |
|---|---|---|
| Cafe and casual restaurant | Suitable for light commercial food service areas, easy to clean and stack for storage | |
| Office reception and breakout areas | Use for guest seating in meeting rooms, waiting zones, and employee lounge spaces | |
| Hotel guest room and event seating | Deploy for banquet halls, hotel room desks, and function event seating with quick reconfiguration | |
| Co-working and shared spaces | Provide flexible seating for hot desks and casual meeting zones with multiple color options | |
| 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
| Seating strength and durability | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014 | |
| Furniture surface stability | EN 1730:2012 |
Standards applicable to China-market projects
| Chair dimensional stability | GB/T 3324 | |
|---|---|---|
| Upholstery formaldehyde emission | GB 18584 | |
| Metal furniture coating adhesion | GB/T 1993 |
This product must meet the following technical requirements: 1. Chair dimensional stability: GB/T 3324; 2. Upholstery formaldehyde emission: GB 18584; 3. Metal furniture coating adhesion: GB/T 1993; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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