| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 575 x 850 mm | |
|---|---|---|
| Seat height from floor | 470 mm | |
| Seat usable width | 470 mm | |
| Seat usable depth | 480 mm | |
| Backrest width | 400 mm | |
| Backrest height above seat | 345 mm | |
| Armrest height above seat | 220 mm | |
| Armrest total outer width | 570 mm | |
| Front leg span width | 445 mm | |
| Front-to-back base depth | 575 mm | |
| Seat cushion thickness | 50 mm | |
| Frame steel tube diameter | 22 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 | 6 kg | |
|---|---|---|
| Maximum static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 40% | |
| Seat fabric abrasion resistance | 30000 Martindale cycles | |
| Frame corrosion resistance service life | 5 years | |
| Stackable storage height per chair | 90 mm | |
| Recommended maximum user weight | 120 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | 1.2 mm thick steel tube with white electrostatic powder coating | |
|---|---|---|
| Backrest | One-piece injection-molded virgin PP plastic with vertical vent slats and carry cutout | |
| Seat base support | Molded PP seat pan attached to frame with welded steel brackets | |
| Seat cushion fill | High-density molded polyurethane foam | |
| Seat upholstery | Woven polyester fabric with breathable weave | |
| Armrests | Integrated fixed PP armrests molded to match backrest finish | |
| Foot glides | Non-slip black rubber end caps with floor-protective flat base | |
| Frame joint construction | Fully welded tubular steel joints with smoothed weld seams | |
| 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
| Seating function | Fixed non-adjustable position for short-duration training, meeting and visitor use | |
|---|---|---|
| Storage function | Stackable up to 10 units high for compact vertical storage | |
| Row arrangement | Compatible with ganging brackets for fixed connected row seating | |
| Mobility feature | Integrated carry cutout in backrest top for single-hand transport between rooms | |
| Backrest ventilation | Vertical evenly spaced slats allow continuous airflow to reduce back heat buildup | |
| Floor protection | Non-abrasive rubber glides prevent floor scratching and reduce movement noise | |
| Optional accessory fitment | Pre-drilled mounting points support foldaway writing tablets on right or left side | |
| Tipping resistance | Four-point splayed leg base meets static stability requirements for hard flat floors | |
| 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 | Lightweight stackable design allows fast room reconfiguration for multi-session training | |
|---|---|---|
| Conference meeting spaces | Sleek white frame and neutral grey seat fit modern office aesthetic for visitor and attendee seating | |
| Educational classroom spaces | Durable PP back and fabric seat withstand frequent daily student use in schools and training centers | |
| Temporary event seating | Integrated carry cutout and stackable design support fast setup and teardown for seminars and events | |
| Reception waiting areas | Compact footprint and fixed stable structure suit short-duration visitor waiting seating | |
| Co-working flexible spaces | Neutral color palette and ganging bracket compatibility support flexible shared space layout | |
| 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 work chair safety requirements, applicable for structural strength testing | |
|---|---|---|
| EN 1022:2018 | Domestic and commercial seating stability test method, applicable for tip resistance | |
| EN 14465:2003 | Upholstery fabric abrasion resistance performance classification | |
| EN 12520:2015 | Furniture seating strength and durability test methods for commercial use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chair safety and performance standard, applicable for load testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Large occupant office chair requirements, applicable for heavy user variants | |
| ANSI/BIFMA e3-2019 | Furniture sustainability standard for material emissions and recyclability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for structural safety inspection | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable for frame strength inspection | |
| GB 28007-2011 | Safety requirements for children's furniture, applicable if units are used in K-12 training spaces | |
| GB/T 17592-2011 | Textile formaldehyde content limit, applicable for seat fabric inspection |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for structural safety inspection; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable for frame strength inspection; 3. GB 28007-2011: Safety requirements for children's furniture, applicable if units are used in K-12 training spaces; 4. GB/T 17592-2011: Textile formaldehyde content limit, applicable for seat fabric inspection; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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