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OC-MB-BLK-001

Code：F570UNV1
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Mid-Back Black Upholstered Executive Office Chair with Angled Armrests Key Specifications 2026-08-02 11:29

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OC-MB-BLK-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions680 x 650 x 1100 mm
Seat width500 mm
Seat depth480 mm
Seat height range (floor to top of seat)520 mm
Backrest width490 mm
Backrest height (top of seat to top of back)550 mm
Armrest height (top of seat to top of arm)210 mm
Armrest width (per arm pad)60 mm
5-star base diameter620 mm
Caster diameter60 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Recommended static weight capacity150 kg
Chair net weight range18 kg
Seat foam density reference45 kg/m³
Back foam density reference35 kg/m³
Caster rolling durability reference100000 cycles
Tilt mechanism cycle reference100000 cycles
Seat foam density45 kg/m³
Back foam density35 kg/m³
Tilt mechanism cycle durability100000 cycles
Foam compression set resistance30%
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and back upholsteryBlack smooth faux leather (PVC/PU blend) with matte finish, stretched over foam core
Seat cushion coreMolded high-resilience polyurethane foam, 60 mm thick at center
Backrest coreShaped polyurethane foam over rigid internal back panel, 40 mm thick at lumbar zone
Internal seat framePlywood or steel load-bearing frame under seat foam, 15 mm panel thickness or 1.5 mm steel gauge
ArmrestsHard black plastic/ABS arm structure with upholstered top pad, fixed to seat frame
Gas lift cylinderChrome-plated steel pneumatic cylinder, Class 3 rating, 100 mm travel stroke
Tilt/height mechanismBlack steel under-seat mechanism with single side lever, 2.5 mm plate thickness
5-star baseBlack injection-molded nylon 5-leg base with ribbed underside reinforcement
CastersBlack 5-wheel set with plastic housing and polyurethane tread, swivel mount
Armrest assemblyRigid black ABS/nylon frame structure with 20 mm thick upholstered top pad, bolt-mounted to seat internal frame
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frame
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic height adjustment operated by left-side lever, with 100 mm total vertical stroke
Seat tilt functionSynchronous or free-float tilt mechanism with adjustable tension knob under seat, allowing up to 15 degrees of back recline from upright
360-degree swivelFull 360-degree rotation around central gas lift axis, enabled by bearing mechanism under the seat
Fixed armrestsNon-adjustable angular armrests rigidly mounted to seat frame, providing stationary elbow support at 210 mm above seat level
Mobility5 dual-wheel casters for rolling on office carpet or hard floors, with 360-degree swivel per caster
Tilt tension controlRotary knob under seat adjusts recline resistance to match user weight, operated by hand rotation
Weight-activated tilt lock (reference)Upright position lock enabled by height lever pull/push, securing chair in vertical working posture
Fixed rigid armrestsNon-adjustable angular frame armrests rigidly bolted to internal seat frame, providing stationary elbow support at 210 mm above seat level
Floor mobility5 sets of dual-wheel swivel casters for rolling on low-pile office carpet or hard flat floors, with 360-degree rotation per caster
Upright position lockUpright posture lock engaged via push/pull of the height control lever, securing the chair in vertical working position to prevent unwanted recline
Recline Angle / Lock Reference125° with 3 suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Packaging carton count1 unit
Reference carton dimensions720 x 680 x 380 mm
Reference gross weight per carton21 kg
Reference carton volume (CBM)0.186 CBM
assembly time per unit30 minutes
Reference 20ft container load quantity260 units
Reference carton volume0.186 CBM
Reference 20ft GP container load quantity260 units
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Private executive officesSuitable for manager and director workstations paired with 1800 mm executive desks, providing professional appearance and mid-back lumbar support
Open-plan workstationsSuitable for senior staff desks in open office environments, matching modern minimalist office aesthetics with black monochrome finish
Meeting and conference roomsSuitable for conference table seating with 12-person capacity, offering 360-degree swivel and tilt for long meeting sessions
Home office workstationsSuitable for 1600 mm home office desks, supporting 8 hour daily work sessions with adjustable height and tilt comfort
Reception and visitor areasSuitable as premium visitor seating outside executive offices, presenting a formal and uniform brand image
Open-plan senior workstationsSuitable for senior staff desks in open office environments, matching modern minimalist office aesthetics with a monochrome black finish that unifies furniture systems
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 1335-1:2020Applicable for office chair dimensional and functional requirements for general office use, used as procurement specification reference
EN 1335-2:2019Applicable for office chair safety, strength and durability testing requirements, used as procurement acceptance reference
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017Applicable for general-purpose office chair performance and durability testing, used as procurement acceptance benchmark
ANSI/BIFMA X6.5-2012Applicable for office chair caster and base durability test methods, used as component acceptance reference
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 14710-2009Applicable for office chair mechanical strength and durability testing requirements, used as procurement acceptance reference
GB/T 3323-2019Applicable for metal furniture welding and coating quality inspection of chair frame components, used as procurement acceptance reference
GB 18584-2001Applicable for formaldehyde emission limit of wood-based internal panels, used as E1-level procurement acceptance criterion
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 14710-2009: Applicable for office chair mechanical strength and durability testing requirements, used as procurement acceptance reference;
2. GB/T 3323-2019: Applicable for metal furniture welding and coating quality inspection of chair frame components, used as procurement acceptance reference;
3. GB 18584-2001: Applicable for formaldehyde emission limit of wood-based internal panels, used as E1-level procurement acceptance criterion;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
GENERATED EXPORTS

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Technical Report PDF

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PDF · OC-MB-BLK-001

Complete Parameter Workbook

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XLSX · OC-MB-BLK-001

International Listing Template

English title, specifications, materials, standards and purchasing fields.

XLSX · LISTING

Customs Declaration Data

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CUSTOMS · OC-MB-BLK-001Open Export Tool

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Product Overview & Construction Details

The GUOYOU OC-MB-BLK-001 Mid-Back Black Upholstered Executive Office Chr presents a sleek, professional silhouette defined by its monochrome black finish and angled fixed armrests, delivering a streamlined aesthetic that aligns with modern workplace design. The mid-height backrest is contoured to support the mid-back and shoulder blade area, pred with a generously padded seat that creates a polished, executive look suitable for both formal and casual work settings. Constructed with durable, smooth faux leather upholstery with a matte finish stretched over molded foam cores, the chr balances comfort and long-term wear resistance. The seat features a high-resilience polyurethane foam core, while the backrest uses shaped foam over a rigid internal support panel for structural stability. The chr sits on a black injection-molded nylon 5-star base with underside reinforcement, fitted with dual-wheel casters with polyurethane treads for smooth mobility. A chrome-plated steel Class 3 pneumatic gas lift and black steel under-seat tilt mechanism form the core of the chr’s adjustable functionality, with rigid ABS/nylon frame armrests topped with upholstered pads bolted directly to the internal seat frame for solid, stationary support. Functionally, the chr offers pneumatic seat height adjustment controlled by a left-side lever, plus a synchronous tilt mechanism with adjustable tension via a right-side rotary knob to match user weight preferences. An upright position lock engages through push/pull operation of the height lever, securing the chr in a vertical working posture. The chr supports full 360-degree swivel rotation, and its fixed angled armrests provide consistent elbow support at a standard desk-aligned height. The dual-wheel casters enable easy movement across standard office carpet and hard flat floors, making the chr highly maneuverable for collaborative work environments. This model is well-suited for a range of commercial and residential spaces. In commercial settings, it fits seamlessly into private executive offices pred with executive desks, open-plan senior staff workstations, 12-person conference and meeting rooms, and executive office reception or visitor areas, where its uniform black finish supports a cohesive, professional brand image. For residential use, it works effectively with home office desks to support dly work sessions, combining ergonomic adjustability with a refined design that complements home workspace decor. For procurement planning, the chr ships in a knocked-down flat-pack configuration with standard assembly tools required for setup. The static weight capacity aligns with standard mid-back executive chr ratings for typical user loads. When sourcing large volumes, buyers should note contner load calculations are based on carton dimensions, and final material specifications including exact foam density grades, steel gauges, and polymer types require direct confirmation from the supplier agnst bill of materials documentation. Assembly time follows standard industry benchmarks for 5-star office chr models with basic hardware included.

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