| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 480 x 505 x 888 mm | |
|---|---|---|
| Seat width | 455 mm | |
| Seat depth | 490 mm | |
| Seat height from floor | 455 mm | |
| Backrest width | 420 mm | |
| Backrest height from seat | 470 mm | |
| Armrest height above seat | 225 mm | |
| Total armrest height from floor | 665 mm | |
| Base footprint width | 480 mm | |
| Base footprint depth | 505 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
| Unit net weight | 10.2 kg | |
|---|---|---|
| Static weight capacity | 400 kg | |
| Vertical floor stack count | 25 chairs | |
| Recommended user count per chair | 1 person | |
| Shell impact resistance | Pass standard commercial seating drop test reference | |
| Floor glide static load per leg | 100 kg | |
| Surface wipe durability | 10000 clean cycles | |
| 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
| Seat and back shell | High-density injection-molded polypropylene, 4mm average wall thickness, textured perforated vented surface | |
|---|---|---|
| Leg and arm support frame | 18-gauge powder-coated steel tube, 16mm outer diameter, 2.0mm wall thickness, white finish | |
| Armrest surfaces | Integrated molded polypropylene, contoured flat elbow support, attached directly to upper frame tubes | |
| Floor glides | Injection-molded nylon non-slip soft glides, 25mm diameter, floor-protective finish | |
| Frame to shell fasteners | Stainless steel M6 bolts with lock washers, anti-corrosion coating | |
| Seat edge profile | Contoured waterfall front edge, 15mm radius, rounded to reduce leg pressure | |
| Back ventilation pattern | Uniform grid perforation pattern across backrest face, 3mm hole diameter, 6mm pitch | |
| 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 capability | Vertical nesting stack without additional tools, anti-scratch contact pads between stacked units | |
|---|---|---|
| Seating positioning | Fixed non-swivel, non-reclining, non-tilting posture aligned for conference/table use | |
| Arm support function | Fixed 225mm height above seat provides stable elbow rest during seated work | |
| Back ventilation | Perforated grid surface allows continuous airflow to reduce back heat during extended sitting | |
| Floor protection | Soft nylon glides prevent hard floor scratching and enable smooth repositioning without lifting | |
| Ganging compatibility | Compatible with standard chair ganging clips for row arrangement in 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
| Conference room use | Ideal for fixed meeting room layouts requiring stackable, easy-to-clean guest seating | |
|---|---|---|
| Training/education space use | Suitable for school and corporate training rooms, supporting quick rearrangement via stacking | |
| Waiting area use | Appropriate for public waiting rooms and lobbies with high-traffic, low-maintenance requirements | |
| Break room/cafeteria use | Durable PP surface resists food and beverage spills, wipe-clean for food service spaces | |
| Multi-purpose event space use | Stackable design allows compact storage when not in use for temporary event setups | |
| Collaborative open office use | Lightweight construction enables fast reconfiguration for ad-hoc team meetings | |
| 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 12520:2015 | Applicable strength, durability and safety standard for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Applicable stability test standard for non-domestic upright seating | |
| EN 16139:2013 | Applicable requirement standard for contract non-domestic seating performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable performance standard for general-purpose office chairs, static load and stability tests |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable as general technical standard for metal-framed furniture durability and dimensions | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable test standard for chair seat and back static/dynamic load and fatigue performance | |
| GB 18584-2001 | Applicable limit standard for formaldehyde and heavy metal content in furniture materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable as general technical standard for metal-framed furniture durability and dimensions; 2. GB/T 10357.3-2013: Applicable test standard for chair seat and back static/dynamic load and fatigue performance; 3. GB 18584-2001: Applicable limit standard for formaldehyde and heavy metal content in furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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