| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1010 mm | |
|---|---|---|
| Seat width | 500 | |
| Seat depth | 460 | |
| Seat height range maximum | 520 | |
| Backrest height | 500 | |
| Backrest width | 480 | |
| Armrest height from seat | 210 | |
| Armrest pad width | 60 | |
| 5-star base diameter | 680 | |
| Caster diameter | 50 | |
| Gas lift outer diameter | 76 | |
| Seat cushion thickness | 70 | |
| Backrest cushion thickness | 50 | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Net weight | 18 | |
|---|---|---|
| Recommended static load capacity | 150 | |
| Gas lift stroke | 100 | |
| Tilt mechanism lock angle maximum | 12 | |
| Caster rolling cycle durability | 100000 | |
| Foam density cushion | 45 | |
| Upholstery abrasion resistance (Martindale) | 50000 | |
| Seam pitch | 8 | |
| Gas lift vertical stroke | 100 mm | |
| Maximum backward tilt angle | 12 degrees |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest padding | High-resilience polyurethane foam; cut-and-sewn with supportive contoured shape; density reference for seat and backrest cushions | |
|---|---|---|
| Internal seat supporting board | Plywood seat shell upholstery structural base under foam; 12 mm thickness; bending-formed to hold foam shape | |
| Armrests | Hard plastic with matching off-white rigid frame with upholstered top surface and rectangular open-frame design; mounted to seat mechanism | |
| 5-star base | Chrome-plated steel tube; 5-spoke design; polished reflective finish; welded central hub for gas lift mounting | |
| Gas lift | Chrome-plated steel pneumatic cylinder; black plastic protective shroud at top | |
| Casters | Black nylon wheels with chrome-plated housing; 5 wheels total; swivel design for hard floors | |
| Tilt mechanism | Black steel mechanism plate under seat; side-mounted control lever | |
| Thread and back frame | Structural steel bracket connecting backrest bracket connecting seat and tilt mechanism | |
| Seat and backrest upholstery | Faux leather (polyurethane) finish over fabric backing; cut-and-sewn construction with stitched perimeter edges; wraps fully around contoured foam padding | |
| Inner seat support shell | 12 mm thick multi-ply plywood; cold-pressed to curved seat profile; serves as structural base for foam and upholstery attachment | |
| Armrest assembly | Rigid white plastic open C-shaped frame; upholstered top pad matching seat material; mounted via steel brackets to the seat tilt mechanism plate | |
| 5-star base frame | Chrome-plated hollow steel tube; 5-spoke radial design with welded central steel hub; polished reflective corrosion-resistant finish |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by left-side lever; 100 mm total vertical stroke between minimum to 520 mm maximum seat height | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around central gas lift axis; smooth rotation enabled by top and bottom bearing assemblies | |
| Tilt function | Seat-back synchronized with backrest and seat tilt backward 12 degrees maximum; single locking mechanism with tension adjust tilt lock mechanism with adjustable tilt tension | |
| Fixed armrest support | Fixed-position fixed-height armrests mounted directly to seat frame; provide upper body support during seating and standing; rectangular open side design for easy access | |
| Mobility | 5 twin-wheel casters enable smooth rolling on hard and carpeted surfaces; 360-degree swivel per caster; low rolling resistance | |
| Weight distribution | 5-point load distributed evenly distributed evenly across 5-spoke base; central load path through gas lift to base hub; 150 kg recommended maximum user weight | |
| 360-degree swivel function | Continuous 360-degree rotation around the central gas lift axis; enabled by dual bearing assemblies at the top and bottom of the gas lift cylinder | |
| Backward tilt with tension control | Seat-back synchronized tilt mechanism; maximum 12-degree backward recline angle; single-side tension adjustment knob to modify tilt resistance, with a locked upright position | |
| Multi-surface mobility | 5 twin-wheel swivel casters with 50 mm diameter wheels; low rolling resistance suitable for both hard floors and low-pile carpet; 360-degree swivel per caster for directional flexibility | |
| Load distribution | 5-point radial load path through the 5-star base; user weight transfers evenly from seat through gas lift to base hub and spokes; supports 150 kg maximum recommended static user weight | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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
| Conference rooms | Suitable for 12-person meeting rooms; matching sets create a cohesive professional seating arrangement | |
|---|---|---|
| Executive offices | Used as visitor or secondary seating beside executive desks; mid-back design does not block sightlines while providing ergonomic support for short to long meetings | |
| Home offices | Appropriate for home workstations; compact footprint fits small desk 600 mm depth standard home office desk spaces under 1600 mm wide desks | |
| Reception areas | Placed in reception lobbies and waiting areas; contemporary aesthetic matches modern interior design styles leather-like polished chrome base adds modern commercial-grade construction for long waiting periods | |
| Co-working spaces | Suitable for hot-desking and shared workstations; standard 500 mm wide seat accommodates diverse user body types; 150 kg load capacity supports diverse user groups | |
| Executive office visitor seating | Used as guest seating beside 760 mm high executive desks; mid-back height does not block office sightlines while providing ergonomic support for 4 hour business meetings | |
| Reception and waiting areas | Placed in office lobbies and visitor waiting zones; easy-to-clean faux leather surface supports frequent wiping and disinfection for high-traffic commercial environments; 50,000 Martindale abrasion resistance ensures long-term appearance retention | |
| Co-working shared workstations | Suitable for hot-desking and shared desk environments; 100 mm height adjustment range adapts to users of different heights; smooth-rolling casters enable quick reconfiguration between work zones |
EU Market Access Requirements* EN Standards
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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