| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 670 x 610 x 1060 mm | |
|---|---|---|
| Seat height adjustment range maximum | 620 mm | |
| Seat height adjustment range minimum | 425 mm | |
| Seat depth | 450 mm | |
| Backrest width | 495 mm | |
| Arm-to-arm overall width | 670 mm | |
| Five-star base diameter | 340 mm | |
| Caster diameter | 60 mm | |
| Backrest height from seat surface | 500 mm | |
| Armrest height from seat surface | 200 mm | |
| Seat cushion thickness | 80 mm | |
| Minimum knee clearance under seat | 180 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 user weight capacity | 136 kg | |
|---|---|---|
| Net product weight | 17 kg | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Caster rolling durability | 40000 cycles | |
| Gas lift static load rating | 150 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Mesh upholstery abrasion resistance | 50000 double rubs | |
| Available color options | 3 | |
| Standard commercial warranty | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support structure | Glass-fiber reinforced polypropylene (PP+GF) white frame | |
|---|---|---|
| Backrest upholstery | Breathable woven polyester mesh | |
| Seat cushion core | 45 kg/m³ high-density cold-cured polyurethane foam | |
| Seat upholstery | Stain-resistant woven polyester fabric | |
| Seat inner support board | 12 mm thick plywood | |
| Armrests | Fixed PP+GF supports with soft polyurethane pad tops | |
| Five-star base | Reinforced white nylon with glass fiber | |
| Casters | 60 mm diameter double-wheel black nylon casters | |
| Gas lift cylinder | Class 3 100 mm stroke chromed steel cylinder | |
| Tilt mechanism | 2.5 mm thick steel plate multi-position locking mechanism | |
| Seam stitching pitch | 8 stitches per inch | |
| Hardware fasteners | Grade 4.8 zinc-plated steel bolts and inserts |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift controlled by side lever, 195 mm vertical stroke | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central swivel joint between seat and base | |
| Backrest tilt function | Synchro-tilt with 12 degree maximum backward recline and upright lock | |
| Tilt tension adjustment | Under-seat knob controls tilt resistance to match user weight | |
| Integrated lumbar support | Fixed Y-shaped molded support aligns with natural spinal curve | |
| Rolling mobility | Five double-wheel casters enable smooth movement on hard or carpet floors | |
| Fixed armrest support | Non-adjustable armrests provide stable forearm support at fixed height | |
| Ergonomic S-curve backrest | Contoured frame maintains neutral spine posture during seated work | |
| Tilt tension control | Under-seat rotary knob adjusts tilt resistance to match user weight | |
| Ergonomic back contour | S-curved frame maintains neutral seated spine posture for long work sessions | |
| Recline Angle / Lock Reference | 125° with 3suggested 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
| Commercial open office workstations | Suitable for daily 8-hour seated work in open plan office environments | |
|---|---|---|
| Home office and study spaces | Compact size fits residential work areas for remote work or study | |
| Conference and meeting rooms | Uniform aesthetic works for boardroom and collaborative meeting spaces | |
| Co-working and shared workspaces | Durable construction supports frequent use by rotating users | |
| Small business reception areas | Professional appearance suitable for visitor seating in reception zones | |
| Training and classroom settings | Swivel and mobility features support interactive training environments | |
| Co-working shared workspaces | Durable commercial-grade construction withstands frequent use by rotating users | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions - Safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-Purpose Office Chairs - Tests for safety, durability, and structural performance |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Furniture - Tables, chairs and stools - Determination of dimensions for office use | |
|---|---|---|
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Furniture - Tables, chairs and stools - Determination of dimensions for office use; 2. GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chairs and stools; 3. GB 18584-2001: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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