| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 620 x 600 x 1010 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range maximum | 540 mm | |
| Backrest width | 480 mm | |
| Backrest height | 520 mm | |
| Armrest height from seat | 200 mm | |
| Five-star base diameter | 600 mm | |
| Caster diameter | 50 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 | 120 kg | |
|---|---|---|
| Net weight reference | 13 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest mesh tensile strength | 200 N/cm | |
| Caster rolling durability cycles | 100000 cycles | |
| Gas lift static load rating | 150 kg | |
| Five-star base static load rating | 1000 kg | |
| Seam tensile strength | 120 N/50mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Breathable knitted mesh fabric with integrated lumbar support pad | |
|---|---|---|
| Seat cushion | Molded high-density polyurethane foam wrapped in woven fabric upholstery | |
| Backrest frame | Reinforced plastic frame with blue edge trim | |
| Armrests | Matte white plastic arm pads mounted on silver metal supports | |
| Gas lift cylinder | Chrome-plated steel pneumatic lifting cylinder | |
| Five-star base | Polished chrome-plated steel five-prong base with reinforced rib structure | |
| Casters | Black nylon twin-wheel casters with chrome-plated mounting brackets | |
| Seat base board | Plywood or composite load-bearing board under foam cushion | |
| Tilt mechanism | Steel plate tilt mechanism with tension adjustment | |
| Base center hub | Black nylon plastic central hub connecting five-star base to gas lift, with tapered fitting for secure attachment | |
| 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
| Seat height adjustment | Pneumatic height adjustment via right-side control lever, 100 mm total vertical stroke | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift axis | |
| Backrest tilt | Synchronized seat-back tilt with adjustable tension, up to 15 degrees of recline angle | |
| Fixed armrest support | Fixed-position T-shaped armrests at 200 mm above seat level, providing forearm support during typing | |
| Integrated lumbar support | Contoured central lumbar pad built into mesh backrest, positioned at lower back height | |
| Mobility on hard floors | Five twin-wheel nylon casters designed for smooth rolling on hard office floors | |
| Breathable back ventilation | Open mesh backrest structure allows continuous air circulation to prevent heat buildup | |
| Gas lift stroke | 100 mm | |
| Hard floor mobility | Five twin-wheel nylon casters designed for low-resistance rolling on hard office floors (tile, wood, laminate), 50 mm wheel diameter for smooth movement over small gaps | |
| Back ventilation | Open porous mesh backrest structure allows continuous air circulation across the entire back contact area, reducing heat and moisture buildup during long sitting sessions | |
| Tilt tension adjustment | Rotary tension knob under seat adjusts tilt resistance, accommodating user weights from 50 kg to 120 kg for personalized recline feel | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packing configuration | 1 chair per carton, flat packed in knock-down form | |
|---|---|---|
| Carton dimensions | 650 x 580 x 320 mm | |
| Gross weight per carton | 15 kg | |
| Volume per carton | 0.121 CBM | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 260 units | |
| Warranty period | 2 years | |
| 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
| Open-plan office workstations | Suitable for 1600 mm wide standard office desks, supporting 8-hour daily office work | |
|---|---|---|
| Staff workstations and call centers | Recommended for high-occupancy commercial office spaces with daily multi-shift use | |
| Meeting and conference rooms | Appropriate for conference table seating with 740 mm standard table height | |
| Home office and study rooms | Suitable for home desks 760 mm high for remote work and study tasks | |
| Computer workstations and IT desks | Ideal for keyboard-intensive work with fixed forearm support from armrests | |
| Temporary visitor seating | Suitable for reception areas and visitor zones adjacent to workstations, for short 1 to 2 hour sitting periods | |
| Training rooms and co-working spaces | Recommended for flexible multi-purpose training rooms with movable desks, supporting frequent rearrangement | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office chair safety and strength | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 1: Safety requirements | |
|---|---|---|
| Office chair dimensions and ergonomics | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 2: Dimensions - Determination of dimensions | |
| Office chair strength and durability testing | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 3: Test methods for the determination of strength and durability | |
| Office chair safety requirements | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 1: Safety requirements | |
| Office chair dimension determination | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 2: Dimensions - Determination of dimensions | |
| Office chair strength and durability test methods | Applicable to EN 1335:2009 Office furniture - Office chairs - Part 3: Test methods for the determination of strength and durability |
US and Canada office-furniture standards
| Office chair general safety standard | Applicable to ANSI/BIFMA X2017 General Purpose Office Chairs - Tests | |
|---|---|---|
| Seat and backrest cyclic durability | Applicable to ANSI/BIFMA X2017 Clause 8 and 9 cyclic load tests | |
| General purpose office chair safety standard | Applicable to ANSI/BIFMA X2017 General Purpose Office Chairs - Tests | |
| Caster and base performance | Applicable to ANSI/BIFMA X2017 Clause 11 and 12 Base and caster tests |
Standards applicable to China-market projects
| Seat surface strength and stability | Applicable to GB/T 10357.3 Furniture mechanical performance test for chairs and stools | |
|---|---|---|
| Backrest strength and durability | Applicable to GB/T 10357.3 Clause 5 backrest load test | |
| Chair seat strength and stability | Applicable to GB/T 10357.3 Furniture - Mechanical and structural properties of tables, chairs and stools - Part 3: Chairs and stools |
This product must meet the following technical requirements: 1. Seat surface strength and stability: Applicable to GB/T 10357.3 Furniture mechanical performance test for chairs and stools; 2. Backrest strength and durability: Applicable to GB/T 10357.3 Clause 5 backrest load test; 3. Chair seat strength and stability: Applicable to GB/T 10357.3 Furniture - Mechanical and structural properties of tables, chairs and stools - Part 3: Chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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