Physical Dimensions
Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 650 × 650 × 1120 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.
| Recommended user body weight | 120 kg | |
|---|---|---|
| Net weight | 15 kg | |
| Dynamic seated load reference | 130 kg | |
| Five-star base static load reference | 500 kg | |
| Gas-lift vertical load rating | 150 kg | |
| Caster rolling durability target | 100000 cycles | |
| Seat-front impact durability target | 100000 cycles | |
| Back-rest cyclic load target | 120000 cycles | |
| Recommended daily usage duration | 8 hours per day | |
| Seating capacity | 1 person |
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Backrest mesh | Black woven polyester mesh stretched over a black molded outer frame | |
|---|---|---|
| Back frame | Black molded polypropylene or nylon-composite outer frame with side hinge housings | |
| Seat upholstery | Black woven textile over contoured cushion, with visible side seam and tailored edge | |
| Seat foam | Molded polyurethane cushion with 70 mm front-edge thickness and contoured waterfall profile | |
| Internal seat support | 12 mm molded plywood or reinforced polypropylene seat shell under the cushion | |
| Armrest pads | Black matte polyurethane or polypropylene pads with flat contact surface | |
| Armrest supports | Flip-up black molded support arms connected at circular side pivots with silver accent caps | |
| Mechanism housing | Black steel-and-polypropylene tilt mechanism beneath the seat with one visible lever | |
| Gas lift | Black-coated steel telescopic gas lift with 50 mm outer column diameter | |
| Five-star base | Black matte five-prong base, molded nylon-composite or painted steel construction | |
| Casters | Black nylon twin-wheel casters with swivel stems, five units installed | |
| Hardware and fasteners | Steel pivot bolts, hinge pins, mechanism screws, and caster grip-neck stems |
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic lever raises and lowers the seat through a 100 mm stroke from 440 to 540 mm | |
|---|---|---|
| 360-degree swivel | Central gas-lift bearing allows full 360-degree rotation on the five-star base | |
| Tilt recline | Backrest tilts rearward with a 15-degree maximum recline angle and synchronized seat movement | |
| Tilt tension control | Rotary tension knob under the mechanism adjusts resistance across 5 effective turns | |
| Flip-up armrests | Each arm rotates upward around the side pivot to create side-entry clearance and compact storage | |
| Caster mobility | Five twin-wheel swivel casters provide omnidirectional movement over carpet, tile, wood, or laminate floors | |
| Back support | Mid-height mesh back supports the thoracic and lumbar regions while allowing airflow through the upper open panel | |
| Waterfall seat pressure relief | Rounded downward front edge reduces pressure behind the knees during extended seated work | |
| Single-position tilt lock | Lever mechanism provides upright locking plus free-tilt mode with 2 selectable positions | |
| Height compatibility | Suitable for 760 mm standard desk heights using the 540 mm seat-height range | |
| Tool-less base assembly | Base, gas lift, caster stems, and upper body are designed for insertion-fit assembly | |
| Gas-lift stroke | 100 mm |
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.
| Open-plan office workstation | Suits standard bench desks and 760 mm work surfaces where swivel access and airflow are needed | |
|---|---|---|
| Home office | Fits compact study rooms because flip-up arms reduce side clearance and the chair slides under a desk | |
| Meeting and collaboration area | Suitable for project rooms and hot-desks requiring frequent rotation between screen and discussion positions | |
| Shared administrative workspace | Appropriate for reception, finance, clerical, and customer-service staff using computers for full shifts | |
| Hot-desking environment | Black fabric and mesh hide light soiling while five casters support frequent repositioning | |
| Recommended desk pairing | Pair with 1600 mm wide desks and 800 mm deep work surfaces | |
| Floor-type consideration | Use hard-floor soft-tread casters for wood or tile and standard twin casters for low-pile carpet | |
| Bulk project configuration | Order in black with matching bases for uniform open-office standardization across floors |
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 1335-1 office chair dimensions | Use dimensional safety and ergonomic geometry requirements for desk chair validation | |
|---|---|---|
| EN 1335-2 office chair safety | Require structural safety, stability, and caster/gas-lift integrity testing | |
| EN 1335-3 office chair test methods | Use specified static, impact, fatigue, and rolling test methods for production acceptance | |
| EN 1021-1 upholstery ignition resistance | Request smouldering-cigarette ignition test reports for fabric and foam composites | |
| EN 12529 castor standard | Specify office-chair castor performance, floor compatibility, and rolling endurance |
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 caster durability | Apply 100000-cycle rolling and swivel durability criteria as a purchasing test target | |
|---|---|---|
| BIFMA e3 furniture sustainability | Request material, chemical, energy, and social-impact credits if sustainable procurement is required |
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 10357.2 furniture mechanical test | Apply chair back strength and durability test methods for procurement verification | |
|---|---|---|
| GB/T 10355.3 office chair safety | Use office-chair stability, strength, and durability requirements as acceptance criteria | |
| GB 17927 upholstered furniture fire safety | Applicable standards and test results require confirmation | |
| GB/T 29604 furniture upholstery performance | Use fabric abrasion, pilling, colorfastness, and seam-slippage checks for seat textile |
This product must meet the following technical requirements: 1. GB/T 10357.2 furniture mechanical test: Apply chair back strength and durability test methods for procurement verification; 2. GB/T 10355.3 office chair safety: Use office-chair stability, strength, and durability requirements as acceptance criteria; 3. GB 17927 upholstered furniture fire safety: Applicable standards and test results require confirmation; 4. GB/T 29604 furniture upholstery performance: Use fabric abrasion, pilling, colorfastness, and seam-slippage checks for seat textile; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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