| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 575 x 445 x 850 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 user weight capacity | 150 kg | |
|---|---|---|
| Product net weight | 6 kg | |
| Maximum stacking quantity | 15 units | |
| Seat foam density | 40 kg/m³ | |
| Seat 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest | Injection-molded polypropylene with vertical ventilation slits | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam | |
| Seat upholstery | Black woven fabric surface | |
| Frame and legs | 1.5mm thick powder-coated matte black steel tube | |
| Leg feet | Injection-molded non-slip polypropylene caps | |
| Seat to frame connectors | Reinforced steel bracket hardware | |
| Armrest rests | Integrated molded PP top on front frame supports | |
| 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
| Stackable storage design | Legs nest vertically when stacked to 15 unit height | |
|---|---|---|
| Backrest ventilation | Vertical slotted openings provide airflow for extended sitting | |
| Fixed seating position | Non-reclining fixed seat and back angle for upright conference use | |
| Floor protection | Non-marking plastic feet prevent scuffing on hard floor surfaces | |
| Integrated arm support | Front frame extensions form fixed armrests at seated elbow height | |
| 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
| Conference room use | Suitable for fixed meeting room seating in offices and training facilities | |
|---|---|---|
| Training classroom use | Ideal for temporary training sessions requiring rapid setup and storage | |
| Visitor waiting area use | Appropriate for public waiting zones and reception areas | |
| Event venue seating | Suitable for temporary event seating in exhibition and community spaces | |
| 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 chair strength reference | EN 16139 | |
|---|---|---|
| Office chair stability reference | EN 1728 |
Standards applicable to China-market projects
| Stability test reference | GB/T 10357.2 | |
|---|---|---|
| Strength and durability reference | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Stability test reference: GB/T 10357.2; 2. Strength and durability reference: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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