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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	630 × 650 × 1040 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Net weight	16 kg
Recommended user weight capacity	130 kg
Seat static load verification target	660 kg for 1 hour
Backrest backward static force target	136 kg for 1 hour
Gas-lift cycle target	100000 height-adjustment cycles
Caster rolling durability target	100000 cycles over an office-chair test surface
Tilt mechanism cycle target	300000 recline cycles
Base static load target	1134 kg center load
Seat foam density	45 kg/m3 molded polyurethane
Fabric or leather abrasion acceptance target	50000 Martindale cycles

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Seat upholstery	Brown smooth-faced upholstery with stitched cushion edge
Back upholstery	Brown upholstered padded back with horizontal lumbar seam
Seat cushion	80 mm polyurethane foam core over rigid seat support
Back cushion	60 mm padded polyurethane fill with softly rounded shoulder edge
Integrated armrests	Brown padded arm pads formed over continuous curved supports
Seat support shell	12 mm molded plywood or engineered composite seat board
Back support shell	8 mm molded plywood or reinforced polymer back board
Tilt mechanism	2.5 mm black powder-coated steel plate with multi-position control housing
Gas lift	50 mm black-sleeved steel gas lift with chrome center tube and 100 mm stroke
Five-star base	Polished chrome-plated steel or die-cast aluminum five-star base
Casters	50 mm black nylon twin-wheel swivel casters with brake-free stems
Fasteners and fittings	Zinc-plated steel bolts, washers, and caster grip stems

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic gas lift provides 100 mm vertical travel from 380 to 480 mm
Recline movement	Synchronized tilt allows back movement with a 12-degree rearward recline from 93 to 105 degrees
Tilt lock	Multi-position lock plate secures the back at 3 positions, including upright and reclined
Tilt tension control	Under-seat rotary knob adjusts resistance for users up to 130 kg
Arm support	Fixed curved armrests provide continuous forearm support at 220 mm above the seat
Mobility	Five black twin-wheel casters support rolling movement on hard floors and low-pile carpet
Cushion support	Thick padded seat and lumbar-height back seam provide two-zone comfort without separate headrest
Assembly	Tool-fit knockdown design uses caster press-in stems and bolted back or arm assembly
Backrest recline angle	105 degrees from horizontal seat plane
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg
Rotation / Mobility Configuration	360° swivel with 5-caster multidirectional movement

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	680 x 640 x 520 mm
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Executive office	Use behind a 1800 mm executive desk where the brown finish supports warm wood interiors
Manager workstation	Suitable for daily 8 hour computer and meeting use by users up to 130 kg
Meeting room	Suitable around conference tables with 750 mm table height and 650 mm minimum chair spacing
Home office	Fits compact study rooms with at least 700 mm clear desk-front depth for recline and rolling access
Guest or consulting setting	Brown upholstered appearance is suitable for low-formality client seating without lounge-chair depth
Hard-floor workspace	Recommended for wood, tile, vinyl, and low-pile carpet floors with optional soft-wheel replacement
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020 applicability	Use for office-chair dimensions, safety, and structural test framework
EN 1335-2:2018 applicability	Use for safety, strength, and durability requirements for task and executive office chairs
EN 1335-3:2009 applicability	Use for specified office-chair mechanical test methods and inspection setup

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017 applicability	Applicable standards and test results require confirmation

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3324-2017 applicability	Applicable standards and test results require confirmation
GB/T 10357.3-2013 applicability	Use for seat and back strength and durability test methods on office seating

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3324-2017 applicability: Applicable standards and test results require confirmation;
2. GB/T 10357.3-2013 applicability: Use for seat and back strength and durability test methods on office seating;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Brown Upholstered Mid-Back Executive Swivel Chair combines a traditional executive appearance with functional task-chair movement. Its brown smooth-faced seat and padded back create a coordinated visual profile, accentuated by a stitched cushion edge, horizontal lumbar seam, softly rounded shoulder line, and integrated curved armrests with matching brown pads. The mid-back form offers lumbar-height support without a separate headrest, while the chrome-plated steel five-star base, black-sleeved gas lift, black twin-wheel casters, and black metal tilt mechanism provide a contrasting commercial finish. Overall dimensions are 630 by 650 by 1040 millimeters, with 540 millimeters of clear width between the armrests. Construction is layered for structured comfort. The seat uses an 80-millimeter polyurethane foam core over a rigid 12-millimeter molded plywood or engineered composite support board, producing a finished cushion thickness of 90 millimeters. The back combines 60 millimeters of polyurethane fill with an 8-millimeter molded plywood or reinforced polymer board, giving a padded thickness of 70 millimeters and a defined 240-millimeter lumbar support zone. The continuous curved arm supports place fixed arm pads 220 millimeters above the seat. A 2.5-millimeter black powder-coated steel tilt plate, 50-millimeter gas lift with a chrome center tube, chrome-plated steel base, and black nylon casters complete the primary structure. The chair weighs 16 kilograms and carries a recommended user weight capacity of 130 kilograms. Pneumatic height adjustment provides 100 millimeters of travel, setting the seat between 380 and 480 millimeters high. Synchronized tilt lets the back move through a 12-degree recline, from 93 to 105 degrees, and a multi-position lock plate secures three positions including upright and reclined settings. An under-seat rotary knob controls tilt resistance. The five black twin-wheel casters support rolling on hard floors and low-pile carpet, with soft-wheel replacement worth considering where floor protection is a priority. The chair is suited to executive offices, manager workstations, conference rooms, home studies, and consulting or guest settings. Its warm brown finish complements wood interiors while maintaining a compact task-seating footprint. Procurement teams should plan for two cartons per set, a packaged gross weight of 23 kilograms, 0.26 cubic meter of package volume, and a reference assembly time of 40 minutes. Layout planning should allow sufficient desk-front depth for reclining and movement, while meeting-room use should maintain at least 650 millimeters of chair spacing. Durability targets include 100,000 height-adjustment and caster cycles, 300,000 recline cycles, a 660-kilogram static seat load target, and a 136-kilogram backrest static force target.

Brown Upholstered Mid-Back Executive Swivel Chair Specifications

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