| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 630 x 630 x 900 mm | |
|---|---|---|
| seat height | 480 mm | |
| seat width | 510 mm | |
| seat depth | 480 mm | |
| seat cushion thickness | 70 mm | |
| backrest height | 470 mm | |
| backrest width | 560 mm | |
| armrest height above seat | 190 mm | |
| five-star base diameter | 640 mm | |
| caster diameter | 50 mm | |
| armrest pad width | 80 mm | |
| gas lift exposed length | 120 mm | |
| five-star base leg length | 320 mm | |
| bentwood shell edge trim thickness | 12 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
| net weight | 17 kg | |
|---|---|---|
| maximum static user weight | 150 kg | |
| cushion foam density | 45 kg/m³ | |
| foam rebound rate | 55% | |
| swivel rotation range | 360 degrees | |
| abrasion resistance (upholstery) | 50000 Martindale cycles | |
| seam stitch pitch | 8 stitches per 30mm | |
| caster rolling durability | 40000 cycles | |
| base static load capacity | 500 kg | |
| upholstery color fastness to rubbing | Grade 4 |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat and back upholstery | Smooth light beige faux leather (PU leather) | |
|---|---|---|
| outer seat shell | Bent laminated plywood with light natural wood finish | |
| seat internal support frame | 12mm thick molded plywood | |
| cushion padding | High-resilience polyurethane foam | |
| five-star base | 1.5mm thick polished chrome-plated steel | |
| center gas lift cylinder | Class 3 chrome-plated steel, 50mm outer diameter | |
| casters | 50mm diameter chrome hooded twin-wheel nylon casters, hard floor suitable | |
| stitching thread | Polyester heavy-duty upholstery thread | |
| shell internal adhesive | Low-VOC wood laminate adhesive | |
| upholstery underlay | 10mm thick soft non-woven polyester fabric under PU upholstery to reduce fabric wear | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| swivel function | 360-degree full rotation around central gas lift column, no rotational stops | |
|---|---|---|
| mobility function | Five dual-wheel casters allow free rolling on hard tile or low-pile carpet floors | |
| armrest function | Integrated wrap-around armrests form a continuous open bucket shape with the back and seat, providing fixed forearm support at 190mm above seat | |
| back support function | Fixed slightly upright ergonomic backrest angle of 100 degrees from seat surface, suited for conference and meeting use | |
| seat support function | Fixed horizontal seat platform with no visible depth adjustment or tilt lock control in front view | |
| floor protection function | Twin-wheel caster design distributes weight to reduce point loading and scratching on hard tile flooring | |
| upholstery care function | Smooth non-porous upholstery surface allows wiping clean of liquid spills with mild detergent | |
| static stability function | Five-star base geometry provides 5 degrees of tip resistance when leaning 150mm from seat center in any direction | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 |
Verified carton / gross weight / assembly / loading data
| number of packages | 1 | |
|---|---|---|
| shipping carton dimensions | 680 x 680 x 650 mm | |
| gross shipping weight | 20 kg | |
| shipping volume (CBM) | 0.301 | |
| assembly time | 15 minutes | |
| 20ft GP container loading quantity | 220 units | |
| 40ft HQ container loading quantity | 540 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| conference room use | Suitable for boardrooms and meeting rooms, formal light beige aesthetic complements modern office interiors and provides upright support during meetings | |
|---|---|---|
| executive private office use | Appropriate for visitor or guest seating opposite executive desks, polished chrome and wood trim matches premium desk finishes | |
| reception and waiting area use | Suitable for front-of-house waiting areas, mobile swivel design allows guests to adjust position easily | |
| home office use | Appropriate for modern home workspaces, neutral color palette coordinates with light wood and white interior schemes | |
| co-working space use | Suitable for open co-working and hot-desking environments, durable easy-clean upholstery resists high-frequency use | |
| commercial project use | Recommended for corporate office fit-out projects requiring uniform mid-century modern style seating across multiple rooms | |
| training room use | Appropriate for flexible training room seating, lightweight swivel design allows easy rearrangement for different session layouts | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable reference for office chair dimensions and safety requirements, defining functional dimensions for general office seating | |
|---|---|---|
| EN 1335-2:2018 | Applicable reference for office chair safety and structural performance requirements | |
| EN 1335-3:2009 | Applicable reference for office chair test methods to validate structural stability and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable reference standard for general purpose office chairs, covering static and dynamic load testing, durability, and stability requirements for commercial installations |
|---|
Standards applicable to China-market projects
| GB 18584-2001 | Applicable for indoor furniture harmful substance limits, restricting formaldehyde and heavy metal content from wood materials and adhesives | |
|---|---|---|
| GB/T 3326-2016 | Applicable for furniture size measurement and dimension tolerances for office seating | |
| GB/T 39600-2021 | Applicable for artificial panel formaldehyde emission grading, requiring E1 grade for indoor commercial furniture |
This product must meet the following technical requirements: 1. GB 18584-2001: Applicable for indoor furniture harmful substance limits, restricting formaldehyde and heavy metal content from wood materials and adhesives; 2. GB/T 3326-2016: Applicable for furniture size measurement and dimension tolerances for office seating; 3. GB/T 39600-2021: Applicable for artificial panel formaldehyde emission grading, requiring E1 grade for indoor commercial furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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