| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 650 x 880 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat cushion width | 520 mm | |
| Seat cushion depth | 480 mm | |
| Seat foam thickness | 80 mm | |
| Backrest height above seat | 430 mm | |
| Armrest height above seat | 200 mm | |
| Four-star base maximum span | 660 mm | |
| Center support column diameter | 50 mm | |
| Backrest width at shoulder level | 560 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
| Chair net weight range | 18 kg | |
|---|---|---|
| Recommended static load capacity | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Base static load rating | 150 kg | |
| Standard warranty period | 3 years | |
| Available upholstery color options | 12 | |
| Gas lift class rating | Class 3 | |
| Swivel cycle durability | 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | Beige woven polyester fabric | |
|---|---|---|
| Seat cushion core | Molded high-resilience polyurethane foam | |
| Backrest core | Molded polyurethane foam with integrated wrap-around sides | |
| Center support column | Polished chrome-plated steel gas lift | |
| Base structure | Polished die-cast aluminum four-star base | |
| Floor protection glides | Black non-marking nylon glides | |
| Armrest structure | Integral padded armrest with matching fabric upholstery | |
| Internal support frame | 1.5mm thick bent steel inner frame | |
| Upholstery seam pitch | 8 mm | |
| Upholstery underlining | Non-woven polyester dust cover under seat | |
| Gas lift actuator lever | Black nylon under-seat adjustment lever | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Swivel function | 360-degree horizontal rotation around center column | |
|---|---|---|
| Armrest function | Fixed integrated padded armrests providing upper arm support during seated use | |
| Base stability | Fixed four-star base with non-marking glides for stable stationary placement without rolling casters | |
| Back support function | Enclosed wrap-around mid-back providing lateral torso support for upright seated posture | |
| Height adjustment | 100 mm seat height adjustment via gas lift actuator | |
| Tilt function | Fixed upright seating position with no active back recline mechanism | |
| Floor protection function | Non-marking nylon glides with 150kg static load rating preventing scuffing on hardwood, tile and polished concrete floors | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Office conference room application | Suitable for meeting rooms and boardrooms as guest/participant seating, providing upright support and professional aesthetic | |
|---|---|---|
| Executive lounge and reception area application | Suitable for lounge, reception and waiting areas as visitor seating, with soft padding and modern silhouette | |
| Hotel public area application | Suitable for hotel lobbies, club lounges and meeting suites as casual seating, with commercial-grade fabric for high-traffic use | |
| Private study and home office application | Suitable for home office or reading nooks as desk-side seating, with 360 swivel and comfortable padding for extended use | |
| Recommended pair configuration | Frequently paired in sets of 2 with round tulip-style side tables, as shown in product imagery for conversational seating arrangements | |
| Corporate breakout space application | Suitable for open-plan office breakout areas and informal collaboration zones, with 120kg load rating supporting regular casual 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
| Applicable office seating safety standard | EN 1335:2020 | |
|---|---|---|
| Applicable upholstered furniture flammability standard | EN 1021:2014 | |
| Applicable surface finish standard | EN 12720:2009+A1:2013 |
US and Canada office-furniture standards
| Applicable lounge/guest seating standard | ANSI/BIFMA X2020 |
|---|
Standards applicable to China-market projects
| Applicable standard for office seating mechanical safety | GB/T 3326 | |
|---|---|---|
| Applicable standard for upholstered furniture durability | GB/T 27904 | |
| Applicable standard for fabric upholstery performance | GB/T 21655.1 |
This product must meet the following technical requirements: 1. Applicable standard for office seating mechanical safety: GB/T 3326; 2. Applicable standard for upholstered furniture durability: GB/T 27904; 3. Applicable standard for fabric upholstery performance: GB/T 21655.1; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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