Physical Dimensions
Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 620 × 460 × 875 mm | |
|---|---|---|
| Seat width | 450 mm | |
| Seat depth | 460 mm | |
| Seat height from floor | 480 mm | |
| Backrest width | 400 mm | |
| Backrest height | 330 mm | |
| Armrest height from seat | 220 mm | |
| Front armrest height from floor | 698 mm | |
| Folded thickness | 180 mm | |
| Leg spread width at floor | 580 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Weight, Load & Performance
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight per chair | 8 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat foam density | 60 kg/m³ | |
| Seat foam thickness | 50 mm | |
| Foam rebound rate | 45% | |
| Caster rolling durability | 40000 cycles | |
| Frame static load rating | 260 kg | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Backrest | PA+30% fiberglass reinforced plastic with horizontal ventilation slats | |
|---|---|---|
| Armrests | PA+fiberglass reinforced plastic, fixed integrated mount to frame | |
| Seat upholstery | 3mm thick double-layer polyester fabric, abrasion resistance 50000 Martindale cycles | |
| Seat core structure | 12mm thick plywood seat board | |
| Seat cushion filling | High-density molded polyurethane foam | |
| Folding frame | 2.0mm thick steel tube with matte black powder coating | |
| Casters | 50mm diameter PU universal swivel casters, one per leg end | |
| Frame hinge joints | Zinc-plated steel pivot bolts with lock washers | |
| 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 |
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Folding mechanism | Center-pivot X-frame folds flat to 180mm thickness for nesting storage | |
|---|---|---|
| Mobility feature | Four 360° swivel PU casters allow smooth repositioning on hard floors | |
| Backrest ventilation | Horizontal slotted openings provide continuous airflow for long sitting sessions | |
| Armrest support | Fixed integrated armrests provide stable forearm support during training sessions | |
| Nesting capability | Folded chairs nest closely together to reduce storage footprint by 70% | |
| Floor protection | Soft PU caster material prevents scuffing on hard office and classroom floors | |
| Seat stability | Four-point splayed leg base provides 580mm wide footprint for tip resistance | |
| Pre-assembly level | Frame, backrest and armrests are factory pre-assembled for quick on-site setup | |
| 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 |
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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 |
Applications & Usage
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Corporate training rooms | Foldable nesting design supports quick room reconfiguration for multi-use spaces | |
|---|---|---|
| Conference and meeting spaces | Wheeled base allows easy rearrangement for ad-hoc meeting setups | |
| Educational classrooms and lecture halls | Stable fixed seat and vented back support extended sitting during lessons | |
| Temporary event seating | Fast setup and compact storage support short-term event deployment | |
| Co-working and flexible offices | Mobile stackable seating supports hot-desking and pop-up work areas | |
| Waiting and visitor areas | Professional black finish and comfortable padding suit public reception spaces | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 13761:2002 | Office furniture - Visitor chairs, strength and durability test standard | |
|---|---|---|
| EN 1022:2018 | Domestic and non-domestic seating - Determination of stability |
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-purpose office chairs - Strength and durability test requirements | |
|---|---|---|
| ANSI/BIFMA X5.9-2019 | Storage, seating and tables for education and training facilities |
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel frame structure | |
|---|---|---|
| GB/T 35607-2017 | Safety, strength and durability requirements for office seating | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture for indoor use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel frame structure; 2. GB/T 35607-2017: Safety, strength and durability requirements for office seating; 3. GB 18584-2001: Limit of harmful substances in wooden furniture for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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