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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 620 x 505 x 895 mm | |
|---|---|---|
| Backrest width | 440 mm | |
| Backrest height above seat surface | 410 mm | |
| Seat surface width | 455 mm | |
| Seat depth | 480 mm | |
| Seat height from floor | 465 mm | |
| Armrest height above seat surface | 240 mm | |
| Armrest top height from floor | 695 mm | |
| Front leg base width (front spread) | 478 mm | |
| Folded flat storage thickness | 180 mm | |
| Seat cushion thickness | 50 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 load capacity | 150 kg | |
|---|---|---|
| Net weight per chair | 8 kg | |
| Seat foam density | 45 kg/m³ | |
| Mesh fabric abrasion resistance | 50000 cycles | |
| Backrest lumbar support deflection under 10kg load | 30 mm | |
| Stacking capacity when folded | 10 chairs | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Support frame | 1.5mm thick cold-rolled steel tube with matte black powder coating | |
|---|---|---|
| Backrest surface | 3mm thick double-layer warp-knitted polyester breathable mesh | |
| Seat core | 45kg/m³ high-density polyurethane foam on 9mm plywood base | |
| Seat upholstery | Wear-resistant polyester fabric with matte black finish | |
| Armrests | PA+30% fiberglass reinforced molded black plastic, 20mm wall thickness | |
| Foot pads | Non-slip TPE rubber caps, 5mm thickness | |
| Folding hinge | Cold-rolled steel pivot pin with zinc plating, 8mm diameter | |
| Backrest internal frame | PA+fiberglass reinforced ribbed support frame with integrated lumbar contour | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Folding mechanism | Side-frame pivot hinge allows full flat fold for storage, no tools required | |
|---|---|---|
| Stacking function | Nested stacking design after folding for compact bulk storage | |
| Back support function | Contoured lumbar curve with flexible mesh provides dynamic lower back support | |
| Foot stability | Four-point splayed leg base with anti-slip pads prevents sliding on hard floors | |
| Seat comfort | Padded fixed-height seat maintains fixed ergonomic posture for extended meetings | |
| Armrest support | Fixed curved armrests provide forearm support during seated meetings | |
| Floor protection | TPE foot pads prevent scuffing and scratching on hard floor surfaces | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| 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 room seating | Fixed height and foldable design suits temporary and permanent meeting room setup | |
|---|---|---|
| Training/lecture hall use | Stackable function supports high-density seating for training events | |
| Reception/waiting area | Professional black appearance and breathable mesh suit office reception zones | |
| Temporary office/guest seating | Lightweight foldable design provides flexible extra seating for visitor use | |
| School/classroom seating | Durable frame and easy cleaning suits high-traffic educational environments | |
| 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 | Applies to office chair dimensional, safety and strength requirements for office seating | |
|---|---|---|
| EN 1022:2018 | Applies to chair stability testing for non-domestic seating products | |
| EN 1728:2012 | Applies to test methods for chair strength, durability and stability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chair safety and performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional accuracy and structural stability testing | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation for furniture, limits formaldehyde and VOC emissions | |
| GB/T 10357.3-2013 | Applies to chair strength and durability testing for commercial furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and structural stability testing; 2. GB/T 35607-2017: Applies to green product evaluation for furniture, limits formaldehyde and VOC emissions; 3. GB/T 10357.3-2013: Applies to chair strength and durability testing for commercial furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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