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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 560 x 920 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Seat height range | 540 mm | |
| Backrest height | 460 mm | |
| Backrest width | 450 mm | |
| Four-star base diameter | 640 mm | |
| Gas lift column diameter | 50 mm | |
| Seat cushion thickness | 60 mm | |
| Glide foot dimensions | 30 x 50 mm | |
| Finished Top Thickness | 50 mm | |
| Effective Knee Clearance | 680 mm high and 900 mm wide per main seat | |
| Leg / Support Section | 80 mm main section with 2 mm metal wall | |
| Cable Opening Size | 80 mm diameter; cable tray depth 120 mm |
Net weight / load capacity / users / durability
| Net chair weight | 13 kg | |
|---|---|---|
| Maximum static load capacity | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Gas lift durability cycles | 100000 | |
| Recommended user height range | 1850 mm | |
| Glide floor load rating | 70 kg per glide | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Recommended maximum user height | 1850 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back shell | 12 mm thick bent plywood with natural walnut wood veneer finish | |
|---|---|---|
| Upholstery surface | 1.0 mm thick black polyurethane faux leather | |
| Seat padding | High resilience polyurethane foam | |
| Back padding | Molded polyurethane foam | |
| Height adjustment gas lift | Polished chrome plated steel, Class 3 rated | |
| Base frame | Polished cast aluminum four-star spider base | |
| Floor glides | Non-marking black nylon glide pads | |
| Height adjustment lever | Black nylon paddle lever | |
| Shell-upholstery adhesive | Low-VOC water based adhesive | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Base leg wall thickness | 3 mm | |
| Column base mount collar | Zinc-plated steel connection collar |
Adjustment / rotation / tilt / mobility / storage features
| 360 degree swivel rotation | Full rotation around central gas lift axis with no lock position, allows users to turn to access workspace areas without moving the chair base | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical adjustment travel, activated by side-mounted paddle lever, locks at any position within travel range | |
| Fixed tilted seat-back angle | 102 degree fixed angle between seat and backrest, no tilt or recline mechanism present | |
| Stationary fixed position | Four glide-mounted base without casters, does not roll, designed to stay in fixed desk position with small repositioning possible via glide sliding | |
| Contoured lumbar support | Integrated curved backrest shape provides mid-back support without separate adjustable lumbar pad | |
| Waterfall seat edge | Rounded front seat edge reduces pressure on back of thighs during extended sitting | |
| Armless design | No armrests attached, allows chair to slide fully under standard depth desks and tables, supports unobstructed side movement | |
| Glide floor protection | Low-friction nylon glides slide smoothly on hard floor surfaces without scratching wood, tile or polished concrete, no carpet caster specification included | |
| Gas lift stroke length | 100 mm | |
| Cable Management Capacity | Reference capacity 10power/data cables; tray load 10 kg | |
| Reference Reassembly Count | Main joints should support 5controlled assembly cycles |
Verified carton / gross weight / assembly / loading data
| Shipping carton dimensions | 670 x 590 x 460 mm | |
|---|---|---|
| Gross shipping weight | 16 kg | |
| Shipping volume per unit | 0.182 CBM | |
| Assembly time per unit | 15 minutes | |
| 20ft GP container loading quantity | 158 units | |
| 40ft HQ container loading quantity | 390 units | |
| Packaging materials | 5-ply corrugated carton, expanded polystyrene edge protection, polyethylene bag, assembly hardware kit with instruction manual | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Package Dimensions | Main top 2500× 1050× 350 mm; return/pedestal packed separately |
Recommended spaces / users / usage modes
| Executive home office workspaces | Mid-century wood and black leather aesthetic fits modern residential office interiors, armless design fits compact desk footprints | |
|---|---|---|
| Open plan co-working desks | Stationary non-rolling design is suitable for shared workstations where casters are not required, supports quick swivel movement between adjacent work surfaces | |
| Conference and meeting rooms | Fixed position stable design works for meeting tables, sleek profile does not clutter space around conference surfaces | |
| Hard floor surfaces | Non-marking nylon glides are designed for wood, tile and polished concrete floors without scratching, no carpet caster specification included | |
| Makeup and vanity areas | Adjustable height range works with standard vanity table heights, armless design allows close positioning to table surfaces | |
| Reception and guest waiting areas | Contemporary streamlined appearance is suitable for front of house guest seating, height adjustment accommodates varying reception counter heights | |
| Hard floor commercial spaces | Non-marking nylon glides are designed for wood, tile and polished concrete office floors without scratching, eliminates need for separate chair mats |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to dimensional, safety and strength requirements for office work chairs, recommended as international commercial acceptance reference | |
|---|---|---|
| EN 1022:2018 | Applies to stability testing for seating, recommended for verification of chair tip resistance during normal use | |
| EN 12520:2015 | Applies to strength, durability and safety requirements for domestic and contract seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chairs, recommended for commercial grade load, durability and stability performance verification | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applies to furniture sustainability criteria, recommended for projects requiring environmentally preferable product attributes |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement and accuracy requirements for office seating, recommended for incoming product size inspection | |
|---|---|---|
| GB/T 35607-2017 | Applies to limits of harmful substances in upholstered furniture, recommended for formaldehyde and VOC emission verification before delivery | |
| GB/T 10357.3-2017 | Applies to strength and durability test methods for chairs, recommended for static load and backrest fatigue performance verification |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement and accuracy requirements for office seating, recommended for incoming product size inspection; 2. GB/T 35607-2017: Applies to limits of harmful substances in upholstered furniture, recommended for formaldehyde and VOC emission verification before delivery; 3. GB/T 10357.3-2017: Applies to strength and durability test methods for chairs, recommended for static load and backrest fatigue performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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