| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 600 x 500 x 920 mm | |
|---|---|---|
| Seat cushion dimensions | 465 x 440 mm | |
| Maximum seat height (from floor) | 480 mm | |
| Maximum backrest height (from seat) | 550 mm | |
| Maximum seat depth adjustment travel | 80 mm | |
| Five-star base diameter | 580 mm | |
| Fixed armrest height (from seat) | 190 mm | |
| Caster diameter | 50 mm | |
| Backrest width at widest point | 420 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 150 kg | |
|---|---|---|
| Recommended user age range | 12 years | |
| Chair net weight | 12 kg | |
| Cushion foam density | 45 kg/m³ | |
| Cushion foam thickness | 50 mm | |
| Fabric abrasion resistance | 30000 cycles | |
| Seam stitch pitch | 8 mm | |
| 360-degree swivel static load rating | 300 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable knitted polyester mesh | |
|---|---|---|
| Seat cushion upholstery | Tight-weave polyester mesh over foam | |
| Cushion filler | High-density polyurethane foam | |
| Frame and armrests | White molded PP plastic with smooth finish | |
| Five-star base | Reinforced white nylon/PP composite | |
| Casters | Dual-wheel PU soft casters | |
| Height adjustment mechanism | Class 3 steel pneumatic gas lift | |
| Seat/back adjustment chassis | 2.5 mm thick stamped steel plate | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 80 mm travel via under-seat lever, locks at set height | |
|---|---|---|
| Seat depth adjustment | 80 mm forward/back travel for growing leg support | |
| 360-degree full swivel function | Smooth rotation around central gas lift axis | |
| Universal rolling casters | Dual-wheel design rolls on hard and soft floor surfaces | |
| Ergonomic lumbar support | Contoured central mesh ridge supports natural lower back curve | |
| Fixed curved armrests | Integrated arm supports for seated forearm rest | |
| Waterfall seat edge | Rounded front edge reduces pressure on back of knees | |
| 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 |
Verified carton / gross weight / assembly / loading data
| 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 |
Recommended spaces / users / usage modes
| Home study space | Pairs with height-adjustable children's study desks for homework use | |
|---|---|---|
| Elementary school classroom | Suitable for classroom computer or task stations for ages 12 | |
| Children's bedroom workspace | Compact footprint fits small desk setups in child bedrooms | |
| Color-coordinated spaces | Available in pink, blue, green to match varied room decor | |
| Hard floor surfaces | Soft PU casters prevent scuffing on wood or tile flooring | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 1729-1:2015 | Applies to functional and safety requirements for educational chairs | |
|---|---|---|
| EN 12520:2015 | Applies to strength, durability and stability for domestic seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to weight capacity testing for large-user office chairs |
Standards applicable to China-market projects
| GB/T 3976-2014 | Applies to functional size requirements for student desks and chairs | |
|---|---|---|
| GB 28007-2011 | Applies to general safety requirements for children's furniture | |
| GB/T 3324-2017 | Applies to general technical requirements for wooden/metal furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Applies to functional size requirements for student desks and chairs; 2. GB 28007-2011: Applies to general safety requirements for children's furniture; 3. GB/T 3324-2017: Applies to general technical requirements for wooden/metal furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
Export data is generated from the current published product record.
Directly download an English report in metric or imperial units.
Download all product information and parameter modules in English.
English title, specifications, materials, standards and purchasing fields.
Prepare customs description, material, usage, dimensions and declaration elements.
Open Export Tool
