| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unfolded dimensions | 608 x 675 x 837 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat usable depth | 485 mm | |
| Seat usable width | 465 mm | |
| Backrest total height | 355 mm | |
| Backrest upper width | 435 mm | |
| Writing tablet surface dimensions | 405 x 260 mm | |
| Writing tablet vertical clearance from seat | 225 mm | |
| Front leg base spread | 550 mm | |
| Rear leg base spread | 490 mm | |
| Folded overall thickness when stored | 100 mm | |
| Armrest height from seat surface | 160 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 product weight | 7 kg | |
|---|---|---|
| Maximum static user load capacity | 150 kg | |
| Vertical stacking capacity for storage | 10 chairs | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Frame finish scratch resistance | 2000 cycles | |
| Available standard color options | 8 colors | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame | 1.5mm thick powder-coated mild steel tube | |
|---|---|---|
| Backrest | Fiberglass-reinforced polypropylene molded shell | |
| Seat base panel | 12mm thick multilayer plywood support | |
| Seat cushion fill | 40mm thick high-resilience molded polyurethane foam | |
| Seat upholstery | 0.8mm thick woven polyester fabric | |
| Writing tablet | 12mm thick rigid ABS plastic panel | |
| Armrests | Glass-fiber reinforced polypropylene integrated units | |
| Foot caps | 8mm thick non-slip molded rubber end caps | |
| Folding pivot hardware | Zinc-plated steel hinge bolts and joints | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Side folding mechanism | Side pivot hinge allows full folding to 100mm thickness for compact storage | |
|---|---|---|
| Writing tablet operation | Flip-up retractable tablet rotates 90 degrees to stow vertically alongside frame when not in use | |
| Stacking capability | Chairs stack vertically up to 10 units after folding to minimize storage footprint | |
| Floor protection | Rubber foot caps prevent floor scratching and reduce sliding on hard flooring | |
| Fixed armrest support | Integrated armrests provide stable upper body support during long training sessions | |
| Ergonomic back support | Contoured molded backrest with lumbar ridges maintains upright seated posture | |
| Upholstered seating comfort | 40mm foam seat cushion reduces pressure points during 4+ hour continuous use | |
| 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 | Ideal for multi-participant training sessions, enables quick layout rearrangement between sessions | |
|---|---|---|
| Conference and meeting spaces | Suitable for temporary meeting overflow or regular departmental meetings with note-taking requirements | |
| Educational institution classrooms | Used for adult education, exam venues and seminar rooms requiring compact seating with work surface | |
| Event and exhibition venues | Deployed for temporary conferences, trade shows and community events needing rapid setup and teardown | |
| Co-working and flexible office spaces | Serves as flexible hot-desking overflow seating for short collaborative work sessions | |
| Recommended configuration | Deploy in rows of 2 units per linear meter for training layouts, with 900mm aisle spacing between rows | |
| 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 13761:2002 | Applies to functional and safety requirements for office visitor and training seating | |
|---|---|---|
| EN 1022:2018 | Applies to stability testing requirements for seating furniture | |
| EN 12520:2015 | Applies to strength, durability and safety requirements for seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chairs for structural durability and load testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2012 | Applies to lounge and public seating including folding/stacking training chairs |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to size and dimensional tolerance requirements for seating furniture | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for metal furniture | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wooden furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to size and dimensional tolerance requirements for seating furniture; 2. GB/T 3324-2017: Applies to general technical requirements for metal furniture; 3. GB 18584-2001: Applies to formaldehyde emission limits for wooden furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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