| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610 x 570 x 850 mm | |
|---|---|---|
| Seat height (floor to seat surface) | 445 mm | |
| Seat depth | 455 mm | |
| Seat width | 460 mm | |
| Backrest height | 375 mm | |
| Backrest width | 405 mm | |
| Armrest height (floor to arm top) | 670 mm | |
| Writing tablet dimensions | 375 x 265 mm | |
| Writing tablet mounting height | 265 mm | |
| Front-to-rear leg span | 570 mm | |
| Vertical clearance under seat | 175 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 | 9 kg | |
|---|---|---|
| Static load capacity | 120 kg | |
| Stackable quantity per vertical stack | 6 chairs | |
| Seat foam density | 45 kg/m³ | |
| Mesh upholstery abrasion resistance | 50000 double rubs | |
| Seat foam thickness | 50 mm | |
| Frame steel tube wall thickness | 1.5 mm | |
| Warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest construction | Reinforced PA plastic frame with breathable tensioned black mesh | |
|---|---|---|
| Seat construction | Molded plywood core wrapped with high-density polyurethane foam, black fabric upholstery | |
| Frame construction | 1.5mm thick cold-rolled steel tube with polished chrome plating | |
| Armrest construction | Fixed contoured black PP arm pads mounted to chrome steel supports | |
| Writing tablet construction | Rigid gray PP plastic tablet with flip-up hinge mechanism | |
| Foot glides | Non-marking black rubber end caps fitted to leg bottoms | |
| Back frame hardware | Zinc-plated steel bolts and rivets for frame joint connections | |
| Surface treatment | Multi-layer chrome plating on steel frame for rust and scratch resistance | |
| 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
| Writing tablet operation | Left-side mounted tablet folds vertically flush to chair side when not in use | |
|---|---|---|
| Stacking function | Sled base geometry allows vertical stacking for compact storage | |
| Stability design | Splayed four-leg sled base with rubber glides prevents tipping on hard floors | |
| Seat function | Fixed non-folding padded seat provides upright support for extended sessions | |
| Backrest function | Fixed upright mesh backrest provides continuous lumbar support without recline | |
| Armrest function | Fixed rigid armrests provide stable forearm support during seated tasks | |
| Floor protection | Soft rubber foot glides prevent scuffing and scratches on hard flooring | |
| 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 design enables quick room reconfiguration for class-style seating | |
|---|---|---|
| Conference and meeting spaces | Professional neutral black finish fits formal office meeting environments | |
| Educational institution classrooms | Integrated writing tablet supports note-taking for lecture-style sessions | |
| Temporary event seating | Lightweight stackable structure allows fast setup and breakdown for events | |
| Visitor reception areas | Fixed stable base provides safe, professional guest seating without rolling casters | |
| Co-working flexible spaces | Compact footprint and storage compatibility support multi-use space layouts | |
| 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 1335-2:2018 | Office furniture office chairs safety requirements, applicable to static load and stability testing | |
|---|---|---|
| EN 1022:2018 | Domestic and contract furniture seating stability test method, applicable to four-leg chair anti-tilt verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chairs general purpose standard, applicable to static load, durability and stability benchmarks |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel chair frame strength and stability | |
|---|---|---|
| GB/T 35607-2017 | Limit of harmful substances in green product evaluation for furniture, applicable to upholstery and foam VOC limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel chair frame strength and stability; 2. GB/T 35607-2017: Limit of harmful substances in green product evaluation for furniture, applicable to upholstery and foam VOC limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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