| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610 x 555 x 848 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 | |
|---|---|---|
| Seat cushion foam thickness | 50 mm | |
| Seat cushion foam density | 45 kg/m³ | |
| Stacking capacity | 12 chairs | |
| Frame wall thickness | 1.5 mm | |
| 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Black woven breathable polyester mesh | |
|---|---|---|
| Seat cushion core | High-density cold-cured polyurethane foam | |
| Seat upholstery | Black woven abrasion-resistant polyester fabric | |
| Support frame | 1.5mm thick powder-coated carbon steel tubing | |
| Armrests | Injection-molded black polypropylene with matte finish | |
| Folding pivot joints | Zinc-plated steel hinge hardware | |
| Foot caps | Non-slip injection-molded black polypropylene | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Folding mechanism | Fold-flat steel pivot hinge | |
|---|---|---|
| Back support | Contoured ergonomic mesh lumbar zone | |
| Armrest design | Fixed height integrated armrests | |
| Floor protection | Non-marring plastic foot caps | |
| Stacking function | Vertical nested stacking capability | |
| Mesh ventilation | Breathable open-weave backrest | |
| 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
| Corporate training rooms | Stackable foldable design enables rapid room reconfiguration for sessions | |
|---|---|---|
| Conference meeting spaces | Breathable mesh back supports comfort during multi-hour meetings | |
| Temporary event seating | Lightweight frame allows easy transport for temporary event setups | |
| Educational classroom use | Durable construction withstands frequent daily use in high-traffic areas | |
| Co-working flexible spaces | Compact stacking enables efficient storage during non-peak hours | |
| 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
| Office furniture seating strength | EN 1335:2018 | |
|---|---|---|
| Office furniture stability | EN 1022:2018 | |
| Upholstered furniture abrasion | EN 14465:2010 |
US and Canada office-furniture standards
| General purpose office chairs | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair caster and glide | ANSI/BIFMA X2019 | |
| Maximum static user load | 120 kg |
Standards applicable to China-market projects
| General office chair safety | GB/T 3325 | |
|---|---|---|
| Furniture stability standard | GB/T 10357.2 | |
| Upholstered furniture durability | GB/T 28202 |
This product must meet the following technical requirements: 1. General office chair safety: GB/T 3325; 2. Furniture stability standard: GB/T 10357.2; 3. Upholstered furniture durability: GB/T 28202; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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