Name: Light Grey Split Dual-Back Ergonomic Office Chair
Brand: Bolongkeli Smart Furniture
SKU: 8K3VYR

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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)	590 × 640 × 955 mm
Seat width	510 mm
Seat depth	510 mm
Seat height range (floor to seat top)	500 mm
Armrest outer width	655 mm
Armrest height above seat	240 mm
Individual backrest pad width	220 mm
Total backrest height	580 mm
Five-star base span diameter	640 mm
Caster diameter	60 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 chair weight	11 kg
Recommended static user load capacity	250 kg
Suitable user height range	1700 mm
Gas lift lift cycle durability	100000 cycles
Caster rolling durability	40000 cycles
Seat cushion foam density	45 kg/m³
Upholstery fabric abrasion resistance	50000 Martindale cycles
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

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 back upholstery	Light grey woven polyester fabric, 0.8 mm thickness
Seat cushion padding	40 mm thick high-resilience polyurethane foam
Backrest pad padding	30 mm thick molded polyurethane foam
Armrest construction	Injection-molded PP with matching grey matte finish, T-shaped fixed design
Structural seat frame	2 mm thick steel mechanism plate, 12 mm plywood seat support
Gas lift component	SGS-certified Class 3 steel pneumatic cylinder, 50 mm outer diameter
Five-star base	Injection-molded glass-fiber reinforced nylon, light grey finish
Caster construction	Dual-wheel PU soft tread casters, nylon hub, non-marking design
Back support frame	Curved PP inner frame with flex points for back movement
Seam construction	8 stitches per inch matching grey thread, reinforced stress points
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	100 mm vertical travel via side lever, Class 3 gas lift actuation
Swivel function	360-degree unrestricted rotation around central gas lift axis
Dual backrest support	Independent split pads provide separate spinal pressure distribution
Back rocking function	30-degree rear tilt with adjustable tension, single-position upright lock
Fixed armrest support	240 mm height above seat, non-adjustable T-pad for stable elbow rest
Mobility function	Five dual-wheel casters enable smooth rolling on hard and carpeted floors
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.

Home office workspace	Suited for daily desk work at home, compact footprint fits small study spaces
Open plan office workstation	Appropriate for employee task seating, supports 8-hour seated work shifts
Co-working shared space	Neutral light grey color matches modern workspace decor, durable fabric for high turnover use
Student study desk use	Adjustable height fits teen to adult users, rolling base for easy repositioning
Small meeting room seating	Fixed armrests and swivel function support short collaborative meetings
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 chair safety requirements	EN 1335:2018
Office chair stability and strength	EN 1335:2018
Office chair dimensional ergonomics	EN 1335:2020

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Caster durability test	ANSI/BIFMA X5.1 Clause 12

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair structural safety	GB/T 3326
Office chair mechanical durability	GB/T 10357.3
Upholstered furniture formaldehyde limits	GB 18584

Standardized tender description text

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

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Product Description

The Light Grey Split Dual-Back Ergonomic Office Chair (model EOCH-SDB-001) from Bolongkeli Smart Furniture presents a streamlined, functional design tailored for modern work environments. Its cohesive light grey matte finish spans the split backrests, T-shaped fixed armrests, and five-star base, creating a understated, contemporary visual profile that blends seamlessly with neutral decor schemes. The chair follows a compact layout, with overall dimensions of 590 by 640 by 955 mm, featuring two 220 mm wide independent backrest pads, a 510 mm square seat, and armrests positioned 240 mm above the seat surface for consistent elbow support. Built for regular daily use, the chair combines durable, purpose-selected materials across its structure. The seat and backrests are upholstered in 0.8 mm thick light grey woven polyester fabric, with abrasion resistance rated to 50000 Martindale cycles, paired with a 40 mm thick high-resilience polyurethane foam seat cushion (45 kg/m³ density) and 30 mm thick molded polyurethane foam back padding. Structural components include a 2 mm thick steel mechanism plate, 12 mm plywood seat support, curved PP inner back frame with integrated flex points, injection-molded PP fixed T-armrests, glass-fiber reinforced nylon five-star base, and SGS-certified Class 3 steel pneumatic cylinder with 50 mm outer diameter. Dual-wheel non-marking PU casters with nylon hubs deliver smooth movement across hard and carpeted flooring, tested to 40000 rolling cycles, while the gas lift supports 100000 adjustment cycles, with a rated static user load capacity of 250 kg and net weight of 11 kg. Core functional features include 100 mm of seat height adjustment controlled via a side lever, 360-degree swivel rotation, a 30-degree rear rocking range with adjustable tension and three lock positions including a fixed upright setting, and split backrests that deliver independent spinal pressure distribution. The fixed T-armrests provide stable, non-adjustable upper limb support, and the easy-rolling casters enable simple repositioning between tasks. The chair is suited for diverse use cases: home office studies where its compact footprint fits limited space, open plan office workstations supporting 8-hour employee shifts, high-turnover co-working spaces where its neutral finish and durable fabric suit frequent shared use, student study desks for teen to adult users, and small meeting rooms where swivel and stable arm support facilitate short collaborative sessions, pairing well with a 2.4 m executive desk. For procurement planning, each chair ships in two cartons per set, with a packaged gross weight of 23 kg, total carton volume of 0.26 m³, and a reference assembly time of 40 minutes per unit. A 20GP container can hold 135 sets at 85% space utilization. Specification alignment checks should confirm the 500 mm fixed seat height meets intended user needs for the recommended maximum 1700 mm user height, and note the fixed, non-adjustable armrest design to ensure compatibility with existing desk clearances and user support requirements. The chair’s durable upholstery and robust structural components are selected to support consistent use across both private and shared work settings.

Light Grey Split Dual-Back Ergonomic Office Chair Specifications

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