| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 635 x 1260 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 user weight capacity | 150 kg | |
|---|---|---|
| Net weight range | 22 kg | |
| Caster rolling durability | 40000 cycles | |
| Gas lift cycle life | 120000 cycles | |
| Backrest tilt angle range | 22 degrees | |
| Mesh fabric abrasion resistance | 50000 double rubs | |
| Seat foam density | 45 kg/m³ | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Tensioned breathable polyester mesh | |
|---|---|---|
| Seat cushion core | High-resilience molded polyurethane foam | |
| Armrest pads | Soft-touch polyurethane padding on plastic supports | |
| Internal back frame | Glass-fiber reinforced polypropylene | |
| Five-star base | Polished die-cast aluminum alloy | |
| Height adjustment mechanism | Chrome-plated steel Class 3 gas lift | |
| Tilting chassis | 2.5mm thick stamped steel multi-lock mechanism | |
| Casters | 60mm diameter polyurethane dual-wheel casters | |
| Headrest frame | Injection-molded ABS plastic with mesh overlay | |
| Lumbar support component | Flexible TPE plastic adjustable lumbar pad | |
| 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 | 100mm vertical travel via gas lift, lockable at any height in range | |
|---|---|---|
| Headrest adjustment | 40mm height adjustment and 30-degree angle tilt to support cervical spine | |
| Armrest adjustment | 75mm height adjustment to align with varying desk heights | |
| Backrest tilt function | Synchronized tilt with 3-position locking mechanism, adjustable tension knob | |
| Lumbar support | Elastic self-adapting lumbar panel that flexes with user back movement | |
| Caster mobility | 360-degree swivel dual casters suitable for hard floors and low-pile carpet | |
| Seat rotation | 360-degree full swivel around central gas lift axis for multi-directional access | |
| Recline tension control | Rotary knob under seat adjusts tilt resistance to match user weight | |
| 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
| Corporate open office workstations | Suitable for 8-hour daily desk work with ergonomic support for seated tasks | |
|---|---|---|
| Home office study spaces | Fits standard 760 mm height office desks for remote work use | |
| Executive private offices | High-back design provides upper back and head support for management roles | |
| Conference meeting rooms | Swivel and tilt function supports long-duration collaborative meetings | |
| IT and coding workstations | Adjustable components accommodate varied postures during extended screen time | |
| 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 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions, for dimensional compliance verification | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, for structural safety testing | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods, for durability performance validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs standard, applicable for strength, durability and stability performance testing | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard, applicable for environmental attribute verification |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for non-metallic structural components | |
|---|---|---|
| GB 28007-2011 | Safety and performance requirements for office swivel chairs, mandatory for domestic market sales | |
| GB/T 35607-2017 | Eco-friendly product evaluation requirements for furniture, recommended for green procurement |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for non-metallic structural components; 2. GB 28007-2011: Safety and performance requirements for office swivel chairs, mandatory for domestic market sales; 3. GB/T 35607-2017: Eco-friendly product evaluation requirements for furniture, recommended for green procurement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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