| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 670 x 1100 mm | |
|---|---|---|
| Seat width | 530 mm | |
| Seat depth | 510 mm | |
| Adjustable seat height range | 530 mm | |
| Backrest height | 580 mm | |
| Backrest width | 520 mm | |
| Lumbar pad width | 440 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat | 220 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 | 150 kg | |
|---|---|---|
| Net product weight | 17 kg | |
| Five-star base static load rating | 1000 kg | |
| Caster rolling durability | 100000 cycles | |
| Backrest tilt range | 125 degrees | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Standard warranty period | 5 years | |
| 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
| Seat and backrest upholstery | Woven polyester fabric | |
|---|---|---|
| Seat cushion core | 45D high-density molded foam | |
| Backrest pad core | 35D high-resilience foam | |
| Structural frame and armrests | Reinforced PP plastic with fiberglass | |
| Gas lift cylinder | Class 3 chrome-plated steel, 100 mm stroke | |
| Tilt mechanism plate | 2.5 mm thick cold-rolled steel | |
| Five-star base | Reinforced light grey nylon | |
| Casters | Dual-wheel PU with PP hub, black with grey insert | |
| Inner back support structure | 1.5 mm thick steel support bar | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 100 mm vertical stroke via side lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around gas lift axis | |
| Backrest tilt function | Tilt with upright position lock, adjustable tension | |
| Fixed integrated lumbar support | Curved pad aligned to natural lower back curve | |
| Split dual-lobed upper back support | Independent bilateral pads for upper back pressure relief | |
| Fixed loop armrests | Integrated curved armrests for static elbow support | |
| Rolling mobility | Five dual-wheel casters for movement across hard/soft floors | |
| Upright position lock | Locks backrest at vertical working position | |
| 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 office workstations | Suitable for daily seated desk work at standard 760 mm height desks | |
|---|---|---|
| Home office spaces | Compact footprint fits small home study or dedicated work areas | |
| Conference and meeting rooms | Neutral light grey finish matches modern collaborative space decor | |
| Hot-desking shared workspaces | Durable construction and universal adjustment fit mixed user populations | |
| 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
| Office furniture office chair safety | EN 1335:2020 | |
|---|---|---|
| Office chair strength durability stability | EN 1335:2018 | |
| Office furniture surface resistance | EN 1728:2014 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Office caster durability tests | ANSI/BIFMA X2017Clause 17 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Office chair safety requirements | GB 28007 | |
| Upholstered furniture formaldehyde emission | GB 18580 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Office chair safety requirements: GB 28007; 3. Upholstered furniture formaldehyde emission: GB 18580; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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