| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 640 x 1095 mm | |
|---|---|---|
| Backrest width | 430 mm | |
| Seat width | 505 mm | |
| Seat depth | 465 mm | |
| Backrest height | 570 mm | |
| Maximum seat height (floor to seat top) | 525 mm | |
| Minimum seat height (floor to seat top) | 440 mm | |
| Armrest height above seat | 200 mm | |
| Five-star base diameter | 640 mm | |
| Maximum armrest height (floor to pad top) | 725 mm | |
| Caster diameter | 60 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 | 160 kg | |
|---|---|---|
| Net weight | 15.4 kg | |
| Seat foam density | 55 kg/m³ | |
| Seat foam thickness | 60 mm | |
| Back mesh abrasion resistance | 50000 cycles | |
| Seat upholstery fabric thickness | 0.8 mm | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| Standard warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest frame | Nylon-fiberglass composite | |
|---|---|---|
| Backrest upholstery | Breathable elastic polyester mesh | |
| Seat cushion core | High-density molded polyurethane foam | |
| Seat internal support | 12mm plywood panel | |
| Seat upholstery | Woven gray fabric over foam | |
| Armrest support structure | Injection-molded nylon | |
| Armrest pads | Soft polyurethane padding | |
| Five-star base | Reinforced nylon (polypropylene) | |
| Gas lift cylinder | Class 3 steel gas lift | |
| Tilt mechanism | 2.5mm thick steel plate | |
| Casters | 60mm dual-wheel polyurethane casters | |
| Hardware fasteners | Zinc-plated steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via Class 3 gas lift | |
|---|---|---|
| 360-degree swivel rotation | Full rotation on central gas lift bearing | |
| Backrest tilt function | 121 degree maximum recline angle | |
| Tilt tension adjustment | User-adjustable resistance knob under seat | |
| Integrated lumbar support | Fixed curved lumbar contour on mesh back | |
| Smooth rolling mobility | Dual-wheel casters for hard and soft floors | |
| Waterfall seat edge | Contoured front seat edge reduces leg pressure | |
| Gas lift stroke | 100 mm | |
| 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
| Open plan office workstations | Mid-back profile supports daily 8 hour desk work without visual obstruction | |
|---|---|---|
| Home office study spaces | Compact footprint fits standard 1200mm wide home desk setups | |
| Conference room meeting spaces | Swivel and tilt function supports collaborative discussion seating | |
| Co-working shared spaces | Neutral gray finish matches modern office decor across tenancy changes | |
| Individual private work offices | Adjustable height and arms fit 190 cm height user ranges | |
| Training room seating | Lightweight mobile design allows easy rearrangement for group sessions | |
| 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 | Applicable for office chair dimensional, safety, and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office task chair mechanical performance and stability testing | |
| EN 1335-3:2009 | Applicable for office chair test methods for safety and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety, durability, and performance | |
|---|---|---|
| Static load rating for five-star base | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office furniture chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.2-2013 | Applicable for chair mechanical and physical performance stability testing | |
| GB/T 10357.3-2013 | Applicable for chair seat and back static/dynamic load durability testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office furniture chair dimensional accuracy and stability testing; 2. GB/T 10357.2-2013: Applicable for chair mechanical and physical performance stability testing; 3. GB/T 10357.3-2013: Applicable for chair seat and back static/dynamic load durability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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