| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 630 x 1400 mm | |
|---|---|---|
| Seat width | 530 mm | |
| Seat depth | 510 mm | |
| Seat height range | 570 mm | |
| Backrest height | 700 mm | |
| Headrest width | 320 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height from seat | 220 mm | |
| Lumbar pad width | 440 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
| Net weight | 19 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Recommended user height | 1880 mm | |
| Base static load rating | 1000 kg | |
| Caster rolling durability | 40000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Upholstery fabric | 300g/m² breathable light grey polyester fabric | |
|---|---|---|
| Seat cushion foam | 50mm thick high-density molded polyurethane foam | |
| Backrest padding | 30mm thick medium-density polyurethane foam | |
| Frame and base | White glass-fiber reinforced nylon five-star base and back frame | |
| Armrest pads | 20mm thick soft TPU padded fixed armrests | |
| Gas lift | Chrome-plated Class 3 steel gas lift | |
| Mechanism plate | 3mm thick steel tilt control plate | |
| Casters | 60mm diameter dual-wheel PU casters with nylon housing | |
| Internal back support | 15mm thick polypropylene inner support frame | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 120mm stroke via Class 3 gas lift, controlled by right-side lever | |
|---|---|---|
| Backrest tilt function | 35° recline range with 3-position lock mechanism | |
| Swivel function | 360° unrestricted swivel rotation around central column | |
| Headrest adjustment | 60mm height adjustment and 15° angle tilt | |
| Lumbar support | Fixed dual-panel split back with contoured lumbar cushion | |
| Caster movement | Smooth rolling on hard floors and low-pile carpet via PU dual wheels | |
| Tilt tension control | Knob-adjustable recline tension matched to user weight | |
| Armrest support | Fixed height padded armrests for static forearm support | |
| 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
| Home office workstation | Suitable for 8 hour daily desk work with ergonomic back support | |
|---|---|---|
| Open-plan corporate office | Neutral light grey color fits standard modern office decor schemes | |
| Height-adjustable desk compatible | 570 mm seat height range works with 1200 mm desk heights | |
| Small home workspace | Compact footprint fits work areas as small as 1 square meter | |
| Study room use for students and adults | Adjustable height fits users from 160cm to 188cm tall | |
| 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 European standard for office chair dimensions and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair structural strength testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 17 | Applicable caster durability test requirement of 40000 rolling cycles |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture desk and chair dimensional tolerances | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable standard for office chair mechanical strength and stability testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture desk and chair dimensional tolerances; 2. GB/T 10357.3-2013: Applicable standard for office chair mechanical strength and stability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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