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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 770 x 770 x 1230 mm | |
|---|---|---|
| seat width | 560 mm | |
| seat depth | 550 mm | |
| maximum seat height (floor to seat top) | 580 mm | |
| minimum seat height (floor to seat top) | 410 mm | |
| backrest height (seat top to back crest) | 770 mm | |
| armrest height (floor to arm top) | 720 mm | |
| 5-star base diameter | 700 mm | |
| seat cushion thickness | 150 mm | |
| backrest padding thickness | 120 mm | |
| caster diameter | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| recommended user weight capacity | 227 kg | |
|---|---|---|
| chair net weight | 27 kg | |
| chrome 5-star base static load rating | 1136 kg | |
| recline maximum angle from upright position | 65 degrees | |
| pneumatic height adjustment stroke | 170 mm | |
| caster rolling durability rating | 100000 cycles | |
| upholstery fabric abrasion resistance | 50000 double rubs | |
| 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 back upholstery | Woven polyester fabric, 1.2mm thickness, breathable matte finish | |
|---|---|---|
| seat cushion core | High-density polyurethane foam, 45kg/m³ density, 40% rebound rate | |
| backrest cushion core | High-resilience polyurethane foam, 38kg/m³ density, 50% rebound rate | |
| internal support frame | 1.5mm thick welded steel tube frame with engineered wood reinforcement | |
| armrest tops | Dark stained solid wood trim, 15mm thickness, matte lacquer finish | |
| armrest padding | Molded polyurethane foam wrapped in matching gray fabric | |
| 5-star base | Polished chrome-plated 2mm thick steel, mirror finish | |
| gas lift cylinder | Class 3 steel cylinder, 50mm outer diameter, chrome-plated finish | |
| control mechanism | 2.5mm thick steel tilt plate with tension adjustment spring | |
| casters | Black PU dual-wheel casters with metal roller bearings, 60mm diameter | |
| seam construction | 10 stitches per 100mm vertical stitching on backrest | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central bearing assembly, no rotation lock | |
|---|---|---|
| pneumatic seat height adjustment | Adjustable via under-seat lever, 170mm total stroke for desk alignment | |
| lockable tilt recline | Lockable in upright and 4 intermediate positions, 65-degree maximum recline | |
| tilt tension adjustment | Adjustable via armrest-side knob to match user weight for resistance | |
| smooth rolling mobility | Dual-wheel PU casters roll on hard floors and low-pile carpet without marks | |
| contoured back support | Tall high-back design provides full lumbar, upper back and head support | |
| padded fixed armrests | Wide padded armrests provide forearm support during seated work | |
| 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
| private executive office | Suits managerial private offices for formal, comfortable extended desk work | |
|---|---|---|
| boardroom meeting space | Can be used as executive seating in formal boardrooms for long meetings | |
| home office workspace | Works for premium home office setups for remote work and video calls | |
| height-adjustable desk compatibility | Pairs with 760 mm height standard office desks and height-adjustable desks | |
| commercial office procurement | Suitable for bulk commercial office fit-outs requiring durable executive seating | |
| 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 to dimensional safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applicable to strength, durability and stability requirements for office chairs | |
| EN 1335-3:2020 | Applicable to test methods for verifying office chair safety performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to structural durability and load testing for general purpose office chairs | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable to load rating verification for heavy-user office chair applications |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for wooden furniture armrest components | |
|---|---|---|
| GB/T 3325-2017 | Applicable to metal furniture structural requirements for steel base and frame | |
| GB/T 16432-2018 | Applicable to safety, strength and durability requirements for office seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for wooden furniture armrest components; 2. GB/T 3325-2017: Applicable to metal furniture structural requirements for steel base and frame; 3. GB/T 16432-2018: Applicable to safety, strength and durability requirements for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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