Name: Height-Adjustable Children's Study Chair with Casters
Brand: Smart Learning Desk
SKU: R6C27A

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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)	520 × 610 × 950 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	12 kg
Maximum static user load	80 kg
Seat height adjustment positions	8
Backrest height adjustment travel	250 mm
Seat height adjustment travel	220 mm
Recommended user age range	14 years
Seat foam density	35 kg/m³
Caster rolling durability cycles	30000
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

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 cushion upholstery	Breathable faux leather or fabric cover
Seat cushion core	High-resilience polyurethane foam
Backrest upholstery	Coordinated padded fabric/faux leather cover
Backrest core	Molded contoured foam with rigid inner support
Support column and adjustment housing	Injection-molded engineering PP plastic
Five-star base	Reinforced nylon or powder-coated steel
Casters	PU-wheeled swivel casters with brake
Adjustment hardware	Zinc-plated steel locking pins and axles
Backrest tilt pivot	Steel shaft with plastic friction bushing
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

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Knob/pin locked incremental height setting across 220mm travel
Caster mobility	360-degree swivel rolling with gravity-activated brake for safety
Backrest dynamic support	Pivoting tilt to follow seated posture movement
Seat base adjustment dial	Rotary control at front of seat pan for seat height or tilt lock
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.

Children's home study space	Paired with height-adjustable study desk for homework, reading, and drawing use
Private tutoring center classroom	Adjustable sizing to fit multiple age groups of students across grade levels
Children's bedroom multi-use area	Suitable for craft activities and screen time at desk in residential settings
Recommended matching furniture	1200 mm wide height-adjustable children's study desk for coordinated ergonomic setup
Surface finish recommendation	Available in pink, blue, green color options to match different room decor schemes
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 1729-1:2015	Furniture for educational institutions chairs, applicable for structural strength testing
EN 71-3:2019	Toy safety migration of elements, applicable for non-toxic material requirements

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB 28007-2011	General technical requirements for children's furniture, applicable for safety compliance
GB/T 3976-2014	Functional dimensions and test methods for school chairs, applicable for height fit
GB 18584-2001	Indoor decoration material limit of harmful substances for wooden furniture, applicable for material safety

Standardized tender description text

This product must meet the following technical requirements:
1. GB 28007-2011: General technical requirements for children's furniture, applicable for safety compliance;
2. GB/T 3976-2014: Functional dimensions and test methods for school chairs, applicable for height fit;
3. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, applicable for material safety;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Smart Learning Desk CSC-ADJ520 is a children’s ergonomic study chair engineered to support growing users across daily seated activities. Its design features a contoured padded backrest with a dedicated lumbar support zone, paired with a generously padded seat set between evenly spaced armrests, all mounted on a five-star base fitted with swivel casters for a streamlined, child-friendly silhouette that balances soft, approachable detailing with functional structural lines. The chair is offered in pink, blue, and green finish options to coordinate with varied interior palettes. Construction prioritizes durability and long-term comfort for regular use. The seat core uses high-resilience polyurethane foam, wrapped in a choice of breathable faux leather or fabric upholstery. The backrest uses molded contoured foam with a rigid inner support, finished with a coordinated padded fabric or faux leather cover to match the seat. The support column and adjustment housing are made from injection-molded engineering PP plastic, while the five-star base is available in reinforced nylon or powder-coated steel. Caster wheels are PU-wrapped swivel units with integrated brakes, paired with zinc-plated steel locking pins, axles, and a steel backrest tilt pivot with plastic friction bushing for smooth, reliable operation. Key functional features support adaptable, safe use for young users. The chair offers 8 incremental seat height positions locked via a knob and pin system, paired with backrest height adjustment to grow with the user. A pivoting backrest tilts to follow natural seated posture movement, with 3 suggested lock positions across its recline range, and a rotary dial at the front of the seat pan controls height settings and tilt lock. Casters allow 360-degree swivel and multidirectional movement, with gravity-activated brakes to prevent unintended rolling when occupied. The chair supports a maximum static user load of 80 kg, with tilt tension adjustable to accommodate a range of user weights. This chair suits a range of residential and commercial spaces. In homes, it works well in children’s home study areas paired with a height-adjustable study desk for homework, reading, and drawing, or in multi-use bedroom zones for craft activities and supervised screen time. In commercial settings, it fits private tutoring center classrooms, where its adjustable sizing accommodates students across multiple grade levels. It pairs optimally with a 1200 mm wide height-adjustable children’s study desk for a coordinated ergonomic setup. For procurement, note that each unit ships in 2 cartons, with a reference assembly time of 40 minutes per set. The maximum recommended user age is 14 years, and buyers can select between upholstery and base material options to align with budget and durability needs, as well as choose from available color finishes to match existing decor. The 80 kg maximum static load should be aligned with intended user groups to ensure safe, long-term use.

Height-Adjustable Children's Study Chair with Casters Specifications

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