| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 480 x 540 x 870 mm | |
|---|---|---|
| Seat height | 475 mm | |
| Seat width (front) | 445 mm | |
| Seat depth | 460 mm | |
| Backrest height above seat | 470 mm | |
| Backrest top width | 430 mm | |
| Front leg spread width | 480 mm | |
| Frame tube diameter | 22 mm | |
| Shell wall thickness | 4 mm | |
| Backrest lumbar support height | 220 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
| Recommended static load capacity | 300 kg | |
|---|---|---|
| Net weight per chair | 10 kg | |
| Maximum stack height (floor storage) | 15 chairs | |
| Backrest flex deflection | 30 mm | |
| Shell surface abrasion resistance | 30000 cycles | |
| Floor glide static friction coefficient | 0.6 | |
| Warranty period (frame) | 5 years | |
| 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 | One-piece injection-molded polypropylene, matte turquoise finish | |
|---|---|---|
| Support frame | 22mm diameter tubular steel, white polyester powder-coated finish | |
| Floor contact glides | Injection-molded nylon, non-marking, anti-slip | |
| Stack protection pads | Soft thermoplastic rubber, mounted under seat | |
| Frame to shell fasteners | Zinc-plated steel M6 bolts, corrosion-resistant | |
| Central back panel | Textured ribbed PP integrated into shell | |
| Seat edge | Contoured waterfall PP edge, rounded radius 15mm | |
| 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
| Stack storage capability | Nested vertical stacking up to 15 chairs for compact storage | |
|---|---|---|
| Back ventilation design | Two symmetric open cutouts at seat-back junction for airflow | |
| Fixed non-adjustable design | Permanent upright seating position with no tilt, swivel or height adjustment | |
| Row ganging compatibility | Accepts standard plastic ganging clips to connect chairs in straight rows | |
| Stack dolly compatibility | Fits standard commercial stack chair transport dollies for easy movement | |
| Floor protection function | Full-width non-marking glides prevent scuffing on hard wood, tile or vinyl 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
| Conference and meeting rooms | Lightweight stackable design supports flexible room layout changes for meetings | |
|---|---|---|
| Corporate training spaces | Armless, easy-clean shell suits high-turnover daily training use | |
| Visitor and reception areas | Sleek modern turquoise finish creates welcoming guest waiting seating | |
| Educational classrooms and lecture halls | Durable PP construction withstands repeated student use and quick reconfiguration | |
| Event and function venues | Stackable design enables rapid setup and compact off-site storage between events | |
| Cafeteria and breakroom areas | Easy-wipe surface resists food and drink spills for casual dining use | |
| 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 | Visitor chairs - Safety requirements, applicable to structural stability and load testing | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable to tip resistance testing | |
| EN 12520:2015 | Furniture - Strength, durability and safety for domestic seating, minimum strength benchmark |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs, applicable to static load and back durability testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2019 | Lounge and public seating, applicable to high-traffic commercial seating performance | |
| ANSI/BIFMA e3-2019 | Furniture sustainability standard, applicable to material emissions and recyclability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel frame durability | |
|---|---|---|
| GB/T 29648-2013 | Performance requirements for public seating, applicable to structural load testing | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture, applicable to formaldehyde limits for any padded variants |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel frame durability; 2. GB/T 29648-2013: Performance requirements for public seating, applicable to structural load testing; 3. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture, applicable to formaldehyde limits for any padded variants; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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