| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 625 x 620 x 1075 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 | 12 kg | |
|---|---|---|
| Maximum static load capacity | 120 kg | |
| Seat height adjustment travel | 100 mm | |
| Recommended user weight | 110 kg | |
| Caster rolling durability | 40000 cycles | |
| Gas lift cycle rating | 60000 cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Black breathable woven polyester mesh | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam | |
| Seat upholstery | Black abrasion-resistant woven fabric | |
| Backrest frame | Injection-molded matte black nylon | |
| Armrests | Integral fixed-loop matte black nylon | |
| Lumbar support | Molded contoured black foam pad | |
| Height adjustment mechanism | Class 3 black powder-coated steel gas lift | |
| Five-star base | Injection-molded matte black nylon | |
| Casters | Dual-wheel black hard nylon, 50mm diameter | |
| Tilt control chassis | 2.5mm thick stamped steel with black powder coat | |
| 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
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base, no rotational stops | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel, actuated by side lever under seat, locks at set height | |
| Backrest tilt recline | 12-degree maximum recline angle, lockable in upright position via chassis lever | |
| Fixed armrest support | 70mm wide arm surface, provides static forearm support without height or pivot adjustment | |
| Contoured lumbar support | Curved lower back pad aligns with natural lumbar curve for seated postural support | |
| Smooth caster mobility | Twin-wheel casters roll on hard floors and low-pile carpet, swivel independently per wheel | |
| Weight-activated tilt tension | Automatic tension adjustment for user weight up to 110kg, no manual tension knob required | |
| 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 | Compact footprint fits standard 1200mm desk cubicles without excessive space use | |
|---|---|---|
| Home office and study spaces | Mid-back design provides lumbar support for daily remote work and study sessions | |
| Conference and meeting rooms | Uniform black finish and swivel function suit shared meeting room seating arrangements | |
| Reception and visitor areas | Low-profile design does not obstruct reception sightlines, easy to move on casters | |
| Computer gaming and study desks | Breathable mesh back prevents heat buildup during extended seated computer use | |
| 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 safety standard | EN 1335:2000 | |
|---|---|---|
| Office chair caster durability standard | EN 12529:1998 | |
| Office furniture fire resistance standard | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair base load standard | ANSI/BIFMA X5.1 Test 5 |
Standards applicable to China-market projects
| Office chair stability standard | GB/T 10357.2 | |
|---|---|---|
| Office chair strength and durability standard | GB/T 10357.3 | |
| Formaldehyde emission limit standard | GB 18584 |
This product must meet the following technical requirements: 1. Office chair stability standard: GB/T 10357.2; 2. Office chair strength and durability standard: GB/T 10357.3; 3. Formaldehyde emission limit standard: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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