| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 615 x 700 x 1045 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 470 mm | |
| Seat height range (top of seat) | 500 mm | |
| Backrest height | 575 mm | |
| Backrest width | 435 mm | |
| Lumbar pad height from seat | 225 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height from seat | 205 mm | |
| Minimum total chair height | 985 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 static weight capacity | 136 kg | |
|---|---|---|
| Five-star base static load rating | 1136 kg | |
| Net product weight | 21 kg | |
| Gas lift cycle rating | 120000 cycles | |
| Tilt mechanism durability | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| 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 | 1.2mm thick PU faux leather, beige with matte finish | |
|---|---|---|
| Contrast side panels | Black rigid molded PP accent panels on arm/back sides | |
| Seat core padding | 80mm thick high-density polyurethane foam | |
| Back core padding | 60mm thick high-density polyurethane foam with integrated lumbar pad | |
| Five-star base | 2mm thick polished chrome-plated steel, polished mirror finish | |
| Height adjustment gas lift | 50mm diameter Class 3 chrome-plated steel gas lift | |
| Tilt chassis | 3mm thick black powder-coated steel mechanism | |
| Casters | 50mm diameter black nylon dual-wheel hard floor casters | |
| Internal frame | 1.5mm thick tubular steel inner support structure | |
| Seam construction | 8mm stitch pitch, matched-thread precision upholstery seams | |
| 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
| Swivel function | 360-degree full rotation around central gas lift axis | |
|---|---|---|
| Seat height adjustment | 60mm pneumatic height travel via side actuating lever | |
| Tilt function | 12-degree maximum backward recline with tension adjustment knob | |
| Tilt lock | Upright position lock via secondary lever under seat | |
| Mobility | Smooth dual-caster rolling on hard floors and low-pile carpet | |
| Lumbar support | Fixed integrated padded lumbar section aligned to mid-back | |
| Arm support | Fixed integrated curved armrests flush with seat and back silhouette | |
| 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
| Conference and meeting rooms | Mid-back design supports upright seated posture for 2 hour meetings | |
|---|---|---|
| Executive private offices | Sleek minimalist aesthetic matches modern professional office decor | |
| Open plan workstation areas | Slim profile prevents visual clutter in shared work environments | |
| Visitor and reception seating | Padded seat and integrated arms offer comfortable guest seating | |
| Home office workspaces | Neutral beige finish coordinates with residential and home office interiors | |
| Training room environments | Rolling casters and swivel allow easy repositioning for group activities | |
| 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 for office chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair strength, durability and stability requirements | |
| EN 1335-3:2009 | Applicable for office chair test method specifications |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general purpose office chair structural durability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable for large occupant office chair capacity verification | |
| Caster rolling durability | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
| GB/T 10357.2-2013 | Applicable for furniture mechanical performance test for chair seating surfaces | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for chair backrest strength and durability testing requirements |
This product must meet the following technical requirements: 1. GB/T 10357.2-2013: Applicable for furniture mechanical performance test for chair seating surfaces; 2. GB/T 10357.3-2013: Applicable for chair backrest strength and durability testing requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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