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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)	625 × 610 × 880 mm
Seat width	450 mm
Seat depth	450 mm
Seat height from floor	485 mm
Backrest height	430 mm
Armrest height above seat	225 mm
Armrest overall span	625 mm
Seat usable width between armrests	505 mm
Base footprint width	550 mm
Base footprint depth	610 mm
Rear base width	520 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 per unit	10 kg
Recommended user static load capacity	120 kg
Steel frame static load rating	1000 kg
Caster rolling durability cycle count	300000 cycles
Seat foam compression durability	300000 cycles
Standard commercial warranty period	3 years
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
Five-star Base Static Load Reference	Acceptance target ≥120 kg; chair reference load 150 kg

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

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

Frame construction	26 mm diameter powder-coated steel tube, 2.8 mm wall thickness
Backrest material	Perforated polypropylene plastic with uniform ventilation holes
Seat cushion core	40 mm thick high-density molded foam, 45 kg/m³ density
Seat upholstery	2 mm thick dark gray polyester fabric, 50000 double-rub abrasion rating
Caster material and size	50 mm diameter silent dual-wheel nylon casters
Armrest construction	Integrated molded polypropylene armrests connected directly to steel frame
Frame finish	Light gray textured powder coating on steel tubing
Seat base support	Plywood core under seat foam, 12 mm thickness
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Gas-lift Engineering Specification	Recommended Class 4; outer tube 50 mm; stroke 100 mm
Tilt Mechanism Plate Thickness	2.5 mm cold-rolled steel

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Mobility feature	Four dual-wheel casters enable 360° rolling movement on hard office floors
Adjustment features	No height adjustment, no swivel, no recline, fixed armrest position
Backrest ventilation	Full perforated hole pattern provides continuous airflow to reduce back heat buildup
Seat ergonomics	Contoured waterfall front seat edge reduces pressure on back of legs during extended sitting
Knee clearance under seat	195 mm vertical clearance between floor and seat underside
Surface protection	Soft nylon caster material prevents scratches on wood, tile and vinyl office flooring
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg
Height Adjustment Stroke	100 mm continuous travel
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.

Corporate training rooms	Compact rolling design supports easy reconfiguration for varying training session layouts
Small conference and meeting spaces	Neutral gray tone and slim profile suit formal and collaborative meeting environments
Co-working and open office areas	Lightweight mobile construction supports flexible temporary seating arrangements
Educational institution lecture halls	Durable steel frame and easy-clean surfaces suit high-frequency public use
Visitor and reception waiting areas	Ventilated back and padded seat provide comfortable short-to-medium term seating for guests
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

Applicable office furniture safety standard	EN 1335:2020
Applicable seating stability standard	EN 1728:2014

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Applicable office chair performance standard	ANSI/BIFMA X2017

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Applicable standard for office seating mechanical safety	GB/T 3326
Applicable standard for seating stability	GB/T 10357.2
Applicable standard for seating strength and durability	GB/T 10357.3

Standardized tender description text

This product must meet the following technical requirements:
1. Applicable standard for office seating mechanical safety: GB/T 3326;
2. Applicable standard for seating stability: GB/T 10357.2;
3. Applicable standard for seating strength and durability: GB/T 10357.3;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Unbranded MTC-PB485-C mobile training office armchair features a streamlined, functional visual profile defined by a light gray textured powder-coated steel frame, dark gray upholstered seat, and perforated light gray plastic backrest, with clean lines and a slim, compact footprint that balances understated form and operational utility. Its frame is constructed from 26 mm diameter powder-coated steel tube with 2.8 mm wall thickness, paired with fixed integrated molded polypropylene armrests mounted directly to the frame for consistent structural support. The backrest is formed from perforated polypropylene with uniform ventilation holes, while the seat uses a 40 mm thick high-density molded foam core with 45 kg/m³ density and 65% rebound, supported by a plywood core under the foam, upholstered in 2 mm thick dark gray polyester fabric with 50000 double-rub abrasion rating. Four 50 mm diameter silent dual-wheel nylon casters mount to the base, with no integrated height adjustment, seat swivel, or recline function, and fixed armrest positioning; the recline angle of 125° is set with 3 suggested lock positions. The full perforated backrest pattern delivers continuous airflow to reduce back heat buildup during use, while the contoured waterfall front seat edge reduces pressure on the back of the legs for extended sitting comfort. The casters enable 360° rolling movement on hard office floors, with a soft nylon formulation that prevents scratches on wood, tile, and vinyl flooring, and lightweight 10 kg per-unit weight simplifies repositioning. The chair supports a 120 kg recommended user static load, with a steel frame static load rating of 1000 kg, 300000 cycles of caster rolling durability, and 300000 cycles of seat foam compression durability, backed by a 3-year standard commercial warranty. It is well suited for corporate training rooms, where its rolling design supports quick reconfiguration for varied session layouts, small conference and meeting spaces where its neutral gray tone and slim profile fit formal and collaborative settings, co-working and open office areas for flexible temporary seating, educational institution lecture halls where its durable frame and easy-clean surfaces support high-frequency public use, and visitor reception waiting areas where its ventilated back and padded seat deliver comfortable short-to-medium term seating for guests, with compatibility for use alongside a 2.4 m executive desk. For procurement, note that each unit ships across 2 cartons, with a reference assembly time of 40 minutes per set, packaged gross weight of 23 kg per set, and a 20GP container capacity of 135 sets at 85% space utilization, allowing for accurate logistics and installation planning for bulk orders.

Mobile Training Office Armchair with Perforated Plastic Back Specifications

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