| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 608 x 550 x 837 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat width (usable surface) | 465 mm | |
| Seat depth (usable surface) | 485 mm | |
| Backrest height above seat | 355 mm | |
| Backrest width | 435 mm | |
| Armrest height from floor | 675 mm | |
| Armrest height above seat | 225 mm | |
| Front base stance width | 550 mm | |
| Rear base stance width | 490 mm | |
| Total arm span width | 608 mm | |
| Seat pad thickness | 75 mm | |
| Folded profile thickness | 120 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Assembled unit net weight | 7 kg | |
|---|---|---|
| Recommended static user load capacity | 180 kg | |
| Stackable storage height (10 chairs) | 1200 mm | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Frame static load rating | 300 kg | |
| Backrest ergonomic contour angles | Upper 26° / lower 41° outward slope | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | 2.0mm thick powder-coated oval steel tubing (40x20mm) | |
|---|---|---|
| Backrest material | Injection-molded white polypropylene split shell | |
| Seat support base | Pressed polypropylene seat pan | |
| Seat fill material | 75mm thick 45# high-density high-resilience polyurethane foam | |
| Seat upholstery | 3mm thick double-layer warp-knitted polyester fabric (orange) | |
| Armrest construction | Integral glass-fiber reinforced polypropylene armrests | |
| Leg end tips | Non-marking TPR rubber anti-slip caps | |
| Folding hinge hardware | Zinc-plated steel pivot hinges with locking detent | |
| Seam stitch pitch | 8 stitches per 25mm | |
| Surface finish (frame) | Light grey epoxy powder coating | |
| 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
| Folding mechanism | Full-frame flat-folding pivot hinges with lock in open position | |
|---|---|---|
| Stacking capability | Vertical stackable up to 10 chairs high | |
| Armrest function | Fixed integrated armrests provide 100mm wide forearm support | |
| Seat function | Fixed padded non-tip seat surface optimized for multi-hour sitting | |
| Backrest support | Two-piece split contoured back provides targeted lumbar and mid-back support | |
| Floor protection | Rubber leg tips prevent slipping and protect hard floor surfaces | |
| Optional accessory compatibility | Compatible with ganging clips, fold-down writing tablets and stacking dollies | |
| 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
| Corporate training rooms | Fixed-position stacking seating for multi-day training sessions, easy storage between events | |
|---|---|---|
| Conference and meeting rooms | Upholstered comfortable seating for 4 hour internal and client meetings | |
| Educational institution classrooms | Durable easy-to-clean seating for lecture halls, seminar rooms and study spaces | |
| Event and exhibition spaces | Foldable, stackable, rapidly deployable seating for temporary events and conferences | |
| Coworking and shared office spaces | Flexible multi-purpose seating that can be reconfigured for different space layouts | |
| Government and public facility meeting areas | Heavy-duty high-traffic seating compliant with public area furniture durability requirements | |
| 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 16139:2013 | Non-domestic seating strength, durability and safety requirements for contract training chairs | |
|---|---|---|
| EN 1022:2018 | Seating stability test method applicable for static and tipped stability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard, applicable to static load, backrest and leg strength testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and public seating standard, applicable for multi-shift training/conference use durability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to frame strength and finish quality | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical performance test for seating, applicable to chair static and fatigue load testing | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances, applicable to fabric and foam emissions |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to frame strength and finish quality; 2. GB/T 10357.3-2013: Furniture mechanical performance test for seating, applicable to chair static and fatigue load testing; 3. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances, applicable to fabric and foam emissions; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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