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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)	660 × 625 × 1020 mm
Backrest dimensions	480 mm W x 550 mm H
Seat dimensions	560 mm front W x 510 mm D
Seat height adjustment range (floor to seat)	510 mm
Armrest height above seat	175 mm
Armrest height from floor	685 mm
Five-star base caster tip-to-tip diameter	660 mm
Seat to backrest top vertical distance	550 mm
Armrest span between inner edges	490 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 product weight	13 kg
Maximum recommended user weight	136 kg
Seat foam density	50 kg/m³
Backrest foam density	35 kg/m³
Seat foam thickness	80 mm
Backrest foam thickness	60 mm
Chrome five-star base static load capacity	1000 kg
Upholstery abrasion resistance	100000 cycles
Caster rolling durability	300000 cycles
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%

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 and backrest upholstery	Black PU leather, 1.0mm thickness
Seat internal support board	20 mm thick molded plywood
Seat padding	High-density polyurethane foam, 50kg/m³ density
Backrest padding	High-density polyurethane foam, 35kg/m³ density
Armrest support structure	1.5mm thick chrome-plated steel
Armrest top pads	Black PU leather padded caps, 20mm thickness
Five-star base	2.0mm thick chrome-plated steel, polished finish
Gas lift cylinder	Class 3 BIFMA-certified steel, chrome finish
Tilt mechanism plate	2.5mm thick steel, black powder coat finish
Casters	50mm diameter dual-wheel PU/nylon casters, black
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic Class 3 gas lift, 60mm stroke
360-degree swivel rotation	Full rotation around central gas lift axis
Tilt function	Butterfly mechanism with tension adjustment, 12-degree max recline
Tilt lock	Locks in upright position for formal conference use
Caster mobility	Smooth rolling on hard floors and low-pile carpet
Fixed arm support	Rigid chrome arms with padded tops for forearm rest
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.

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.

Conference and meeting rooms	Formal mid-back design for short-to-medium duration meetings
Private office workstations	Adjustable height for standard 760 mm desk use
Visitor and guest seating	Polished chrome and black finish matches modern office decor
Training room seating	Swivel and caster design allows easy movement between stations
Reception and waiting areas	Compact footprint fits small reception spaces
Home office workspaces	Adjustable features support home computer and desk work
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

Office furniture office chair safety	EN 1335:2020
Office furniture office chair stability	EN 1335:2018
Office furniture upholstered furniture resistance	EN 14465:2005

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose test standard	ANSI/BIFMA X2017
Gas lift performance requirement	ANSI/BIFMA X5.1 Clause 8
Base and caster load requirement	ANSI/BIFMA X5.1 Clause 12

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety structural requirement	GB/T 3326
Furniture mechanical performance test	GB/T 10357.3
Upholstered furniture formaldehyde limit	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety structural requirement: GB/T 3326;
2. Furniture mechanical performance test: GB/T 10357.3;
3. Upholstered furniture formaldehyde limit: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

GENERATED EXPORTS

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Product Description

Black Upholstered Mid-Back Swivel Conference Office Chair (model MBC-CHR-001) is listed under Executive Boss Chair. Dimensions: 660 × 625 × 1020 mm. Materials: Black PU leather, 1.0mm thickness. Load capacity: 1000 kg. Product Features: mid-back,design,chrome,steel,five-star,base,swivel,height-adjustable,fixed,padded,armrests. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.

Black Upholstered Mid-Back Swivel Conference Office Chair Specifications

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