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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x adjustable H) | 600 x 520 x 1260mm | |
|---|---|---|
| Seat height adjustment range | 440mm | |
| Seat cushion dimensions (W x D) | 510 x 500 mm | |
| Backrest height (from seat surface to top of backrest) | 700 mm | |
| Headrest dimensions (W x H) | 300 x 200 mm | |
| Armrest span (left to right outer edge) | 600 mm | |
| Five-star base leg radius (center to caster center) | 320 mm | |
| Seat width between armrests | 480 mm | |
| Backrest lumbar support zone height | 280mm above seat surface | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 120 kg | |
|---|---|---|
| Product net weight | 18kg | |
| Seat cushion static load capacity | 150 kg | |
| Caster rolling durability rating | ≥40,000 rolling cycles | |
| Gas lift cycle life rating | ≥100,000 height adjustment cycles | |
| Tilt mechanism fatigue rating | ≥30,000 recline cycles | |
| Seat foam indentation retention rate | ≥90% after 25,000 compression cycles | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% | |
| Back Foam Density Reference | 38kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest and headrest upholstery | Tensioned breathable polyester mesh | |
|---|---|---|
| Seat cushion padding | 40mm thick high-resilience molded polyurethane foam, density 45kg/m³ | |
| Seat cushion surface upholstery | Wear-resistant breathable polyester fabric, abrasion resistance ≥30,000 Martindale cycles | |
| Armrest construction | Glass-fiber reinforced nylon frame with integrated soft PU top pad | |
| Structural back frame | Glass-fiber reinforced nylon inner frame, 5mm wall thickness | |
| Five-star base | Injection-molded glass-fiber reinforced nylon, 3mm wall thickness | |
| Height adjustment gas lift | Chromed steel Class 3 gas lift, 50mm outer diameter, 40mm adjustment stroke | |
| Tilt mechanism chassis | 2.5mm thick stamped steel chassis with black powder coat finish | |
| Casters | 60mm diameter dual-wheel nylon casters with PU tread, suitable for hard floors and low-pile carpet | |
| Seam stitch specification | 8 stitches per inch (3.15 stitches per cm) high-strength polyester thread | |
| Seat Internal Support Board Thickness | 14mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side under-seat lever, 40mm total stroke to set seat height between 400mm and 440mm | |
|---|---|---|
| Backrest recline function | Synchro-tilt recline with 1:2.2 seat-to-back tilt ratio, 12° seat tilt / 26° backrest recline range, lockable in 3 positions | |
| Tilt tension adjustment | Rotary knob under front right seat adjusts recline resistance to match user weight from 50kg to 120kg | |
| Headrest adjustment | Height adjustable headrest with 60mm vertical travel, 15° forward/backward angle adjustment to support cervical spine | |
| Mobility function | 360° swivel rotation around gas lift axis, five casters enable omnidirectional movement on level flooring | |
| Fixed armrest support | Fixed height armrests positioned 260mm above seat surface to support forearms during typing, no height or width adjustment | |
| Lumbar support | Curved structural lumbar zone integrated into mesh back, provides passive support without manual adjustment | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Recommended commercial warranty | 3-year limited warranty covering structural frame and mechanism defects, 1-year warranty for upholstery and casters | |
|---|---|---|
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for 8-hour daily use at standard 760mm height office desks, with seat height range matching standard desk height for ergonomic typing posture | |
|---|---|---|
| Home office workspace | Compact 600mm width fits small home office desks, breathable mesh back supports extended use without heat buildup | |
| Shared conference room seating | Neutral matte black finish, 360° swivel and rolling function supports easy movement during meetings, fixed armrests provide consistent forearm support for multi-user rotation | |
| Call center and 24/7 operation environments | Durable construction and breathable mesh recommended for shift-based extended use, with durability specifications meeting commercial grade requirements | |
| User height range | Suitable for users 155cm to 185cm tall, with headrest and backrest height covering torso and neck support for this height range | |
| Flooring compatibility | PU tread casters suitable for hard wood, tile, laminate and low-pile commercial carpet floors without requiring separate chair mats | |
| 155-185cm height user range | Suitable for users 155cm to 185cm tall, with 700mm backrest height and adjustable headrest providing full torso and cervical support across this height range | |
| Shift-based light operation environments | Commercial-grade construction and breathable mesh recommended for 12-hour daily shift use in administrative and back-office roles, with durability ratings meeting repeated multi-user use requirements |
European market access and chemical requirements
| Applicable office chair safety standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| Applicable office chair durability standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| Applicable upholstery fire safety standard | EN 1021:2014 Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette | |
| EU office chair dimensional standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
| EU office chair safety standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| EU upholstery fire safety standard | EN 1021:2014 Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette |
US and Canada office-furniture standards
| Applicable office chair durability standard | ANSI/BIFMA X2017 Office Chairs - Tests for General Office Use | |
|---|---|---|
| Applicable caster durability standard | ANSI/BIFMA X2017 Clause 17 Caster/Base Durability Test | |
| NA office chair general performance standard | ANSI/BIFMA X2017 Office Chairs - Tests for General Office Use | |
| NA caster and base durability standard | ANSI/BIFMA X2017 Clause 17 Caster/Base Durability Test |
Standards applicable to China-market projects
| Applicable standard for office chair mechanical safety | GB/T 3326 Furniture - Chairs and stools - Determination of dimensions | |
|---|---|---|
| Applicable standard for office chair durability | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| Applicable standard for restricted hazardous substances | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | |
| Office chair dimensional standard | GB/T 3326 Furniture - Chairs and stools - Determination of dimensions | |
| Office chair mechanical durability standard | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| Hazardous substance limit standard | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture |
This product must meet the following technical requirements: 1. Applicable standard for office chair mechanical safety: GB/T 3326 Furniture - Chairs and stools - Determination of dimensions; 2. Applicable standard for office chair durability: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools; 3. Applicable standard for restricted hazardous substances: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture; 4. Office chair dimensional standard: GB/T 3326 Furniture - Chairs and stools - Determination of dimensions; 5. Office chair mechanical durability standard: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools; 6. Hazardous substance limit standard: GB 18584 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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