| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 620 x 820 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 | 8 kg | |
|---|---|---|
| Static seat load capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Recommended user weight | 120 kg | |
| Seam stitch durability | 30000 cycles | |
| Leg floor static load per foot | 45 kg | |
| 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 upholstery | 1.0mm thick PU leather | |
|---|---|---|
| Backrest upholstery | 1.0mm thick matching PU leather | |
| Internal seat padding | High-density polyurethane foam | |
| Internal back padding | Medium-density polyurethane foam | |
| Outer armrest/back shell | Dark brown molded polypropylene | |
| Support legs | Matte dark bronze powder-coated steel | |
| Mounting hardware | Zinc-plated steel bolts | |
| Leg floor tips | Non-marking injection-molded plastic | |
| 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
| Armrest support | Integrated fixed armrests formed with outer shell | |
|---|---|---|
| Back support | Contoured fixed mid-back design | |
| Floor protection | Non-slip plastic foot caps on each leg | |
| Seating position | Fixed upright seat angle of 3 degrees | |
| Assembly requirement | Knock-down leg attachment to pre-assembled seat shell | |
| Cleaning feature | Smooth non-porous PU leather surface | |
| 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
| Single carton dimensions | 650 x 590 x 480 mm | |
|---|---|---|
| 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 | Seating for dining tables 760 mm high for daily family meals | |
|---|---|---|
| Cafe and bistro seating | Light commercial use for casual dining venues with moderate traffic | |
| Meeting room breakout seating | Side seating for informal discussions and collaborative work areas | |
| Home office guest seating | Occasional guest chair positioned next to desks or worktables | |
| Reception waiting area use | Seating for short-duration visitor waiting in office or retail spaces | |
| Modern exhibition space furnishing | Contemporary seating for showroom, gallery or event displays | |
| 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
| Chair strength recommendation | EN 12520 | |
|---|---|---|
| Stability recommendation | EN 1022 | |
| Surface flammability recommendation | EN 1021 | |
| Impact resistance recommendation | EN 1728 |
Standards applicable to China-market projects
| Stability testing recommendation | GB/T 10357.2 | |
|---|---|---|
| Strength/durability recommendation | GB/T 10357.3 | |
| Upholstery formaldehyde recommendation | GB 18584 | |
| Hardware corrosion recommendation | GB/T 10125 |
This product must meet the following technical requirements: 1. Stability testing recommendation: GB/T 10357.2; 2. Strength/durability recommendation: GB/T 10357.3; 3. Upholstery formaldehyde recommendation: GB 18584; 4. Hardware corrosion recommendation: GB/T 10125; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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