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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 480 x 505 x 885 mm | |
|---|---|---|
| Seat height from floor | 458 mm | |
| Seat width | 448 mm | |
| Seat depth | 490 mm | |
| Backrest width | 430 mm | |
| Backrest height above seat | 450 mm | |
| Arm height above seat | 225 mm | |
| Base footprint depth | 505 mm | |
| Armrest clearance under seat | 665 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 | 136 kg | |
|---|---|---|
| Net weight per chair | 5.2 kg | |
| Maximum vertical stack quantity | 10 chairs | |
| Frame static load rating | 400 kg | |
| Floor glide compressive strength | 150 kg per leg | |
| Structural warranty period | 5 years | |
| 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 shell | 8mm thick molded virgin polypropylene, contoured surface, textured central back panel | |
|---|---|---|
| Backrest shell | 8mm thick molded polypropylene with two symmetric lower ventilation cutouts | |
| Armrests | Integrated curved polypropylene armrests, supported by steel frame brackets | |
| Leg frame | 19mm diameter, 2.0mm wall thickness white powder-coated tubular steel | |
| Floor glides | 12mm diameter high-density PP non-marring flat glides, floor-protective | |
| Frame finish | Electrostatic powder-coated white finish, scratch and corrosion resistant | |
| Surface texture | Non-slip embossed texture on central back panel, smooth matte seat surface | |
| 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
| Stacking function | Nested vertical stacking without additional connectors, tapered leg alignment | |
|---|---|---|
| Posture support | Fixed 98-degree angled backrest with lumbar contour, no recline or swivel function | |
| Ventilation design | Two symmetric open cutouts at lower back for air circulation and weight reduction | |
| Arm support | Fixed curved armrests positioned at 225mm above seat, suitable for forearm rest during meetings | |
| Floor protection | Flat PP glides that prevent scratching hard floors without requiring casters | |
| Space efficiency | Nested storage reduces footprint by 80% when stacked fully, suitable for high-density training spaces | |
| 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
| Office conference rooms | Fixed position guest seating for short-to-medium duration meetings, stackable for quick reconfiguration | |
|---|---|---|
| Training and education spaces | High-density flexible seating for training sessions, easy to stack and rearrange for class formats | |
| Reception and waiting areas | Durable easy-clean guest seating for lobbies, waiting rooms and public reception zones | |
| Event and temporary seating | Portable stacking seating for corporate events, temporary meeting setups and overflow seating | |
| Co-working and flexible offices | Modular low-maintenance seating for shared work zones, hot-desking ancillary seating | |
| 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
| EN 16139:2013 | Furniture - Strength, durability and safety for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability | |
| EN 1335-2:2009 | Office work chairs - Safety requirements, applicable to visitor chair structural safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General Purpose Office Chairs - Tests for strength, durability, stability | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and Public Seating - Performance requirements for multi-occupant seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel frame stability | |
|---|---|---|
| GB/T 10357.3-2013 | Test method for strength and durability of chair seats and backs | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applies to plastic component VOC limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel frame stability; 2. GB/T 10357.3-2013: Test method for strength and durability of chair seats and backs; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applies to plastic component VOC limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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