| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 670 x 940 mm | |
|---|---|---|
| Fixed seat height (top of cushion to floor) | 460 mm | |
| Seat width (between armrests) | 510 mm | |
| Seat depth (front edge to back cushion) | 470 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height (top of back to seat surface) | 620 mm | |
| Backrest width at widest point | 520 mm | |
| Armrest height (top of armrest to floor) | 660 mm | |
| Armrest width (padded surface) | 80 mm | |
| Cantilever sled base footprint (width x depth) | 580 x 610 mm | |
| Chrome base tube diameter | 25 mm | |
| Floor glide diameter | 30 mm | |
| Knee clearance under seat (front edge) | 420 mm | |
| Outer side shell height (seat to top of dark shell) | 490 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
| Net weight per chair | 16.5 kg | |
|---|---|---|
| Recommended static user load capacity | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 38 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 40000 double rubs (Wyzenbeek) | |
| Chrome frame salt spray resistance | 36 hours | |
| Cantilever frame static load rating (seat) | 136 kg | |
| Seam strength | ≥120N pull force per stitch | |
| 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles | |
| Upholstery Seam Pitch | 4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, backrest and armrest upholstery | 1.2mm thick light beige PU leather (semi-aniline leather option available for bulk orders) | |
|---|---|---|
| Seat and backrest internal support structure | 12mm thick high-density plywood frame | |
| Outer back and side shell | Dark charcoal rigid polypropylene (PP) hard shell with matte finish | |
| Seat and back padding | Multi-layer high-density polyurethane molded foam | |
| Cantilever sled base frame | 2mm wall thickness cold-rolled steel tube with polished chrome plating | |
| Floor contact glides | Non-marking nylon glides with felt insert option | |
| Stitching and seam construction | Reinforced polyester thread with 8 stitches per inch (3.15 stitches per cm) seam pitch | |
| Frame connection hardware | Zinc-plated steel bolts securing shell to cantilever base | |
| Seat-to-frame shock pad | 5mm thick EPDM rubber gasket between seat shell and metal frame | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter | |
| Reference Color Count | Recommended 5upholstery colors and 2base finishes |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed upright ergonomic posture optimized for conference, visitor, and meeting room use; no recline, tilt, or rocking mechanism | |
|---|---|---|
| Base mobility | Stationary fixed cantilever (sled) base with no casters, no swivel bearing, no height adjustment gas lift; allows minimal controlled flex from the steel frame for seated comfort | |
| Armrest function | Fixed integrated padded armrests positioned at desk-compatible height, providing forearm support during meetings; no height, width, or depth adjustment | |
| Floor protection | Integrated non-marking glides prevent scratching on hard wood, tile, and carpeted conference room floors; glides can be replaced if worn | |
| Stacking capability | Non-stackable design, configured for permanent boardroom/conference room placement | |
| Cleaning and maintenance | Smooth PU/leather upholstery and hard shell allow spot cleaning with mild detergent, suitable for high-traffic office common areas | |
| Noise reduction design | Integrated rubber gaskets between seat shell and steel frame eliminate metal-on-metal squeaking during use | |
| 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
| Pack quantity per carton | 2 pieces per carton | |
|---|---|---|
| Reference carton dimensions (per 2-chair carton) | 900 x 700 x 630 mm | |
| Gross weight per carton | 37 kg | |
| Carton volume per pack | 0.40 m³ | |
| 20ft GP container loading quantity | 220 pieces | |
| 40ft HQ container loading quantity | 540 pieces | |
| 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 |
Recommended spaces / users / usage modes
| Corporate boardrooms and conference rooms | Upright formal posture and professional two-tone aesthetic suit executive and team meeting spaces, compatible with standard 750mm height conference tables | |
|---|---|---|
| Office reception and visitor waiting areas | Stationary sled base prevents unwanted movement in reception zones, easy to clean upholstery suits high-traffic visitor seating | |
| Executive office guest seating | Matching aesthetic for executive desk side guest seating, paired with executive swivel desk chairs of matching two-tone upholstery style | |
| Training and meeting room shared seating | Fixed non-adjustable design reduces user tampering, durable upholstery withstands frequent daily use in training facilities | |
| Recommended table compatibility | Suits standard 760 mm height office desks and 760 mm height conference tables, with compatible arm height to slide partially under table surfaces when not in use | |
| Recommended floor surfaces | Suitable for hard wood, tile, laminate, and low-pile carpeted floors; felt glide inserts recommended for scratch-sensitive hard flooring | |
| 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 European standard for office seating dimensional, safety and strength requirements, recommended for EU market procurement | |
|---|---|---|
| EN 1022:2018 | Applicable standard for domestic and contract seating stability testing, relevant for fixed cantilever conference chair stability evaluation | |
| EN 12520:2015 | Applicable standard for furniture strength, durability and safety for non-domestic seating, recommended for commercial contract supply |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 (Clause for fixed guest chairs) | Applicable American National Standard for office chairs, specifying static load, durability and stability test criteria for fixed-base guest/conference seating; recommended as performance benchmark for commercial grade supply |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for furniture (office chairs) dimensional tolerances and stability requirements, recommended for incoming inspection | |
|---|---|---|
| GB/T 19995.1-2005 | Applicable standard for leather/PU upholstery furniture physical and mechanical performance testing of upholstery material | |
| GB 18584-2001 | Applicable indoor furniture environmental protection standard for formaldehyde and heavy metal emission limits, required for Chinese market commercial furniture supply | |
| GB/T 10357.3-2013 | Applicable test standard for chair strength and durability (static load, impact, fatigue testing) for office seating products |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for furniture (office chairs) dimensional tolerances and stability requirements, recommended for incoming inspection; 2. GB/T 19995.1-2005: Applicable standard for leather/PU upholstery furniture physical and mechanical performance testing of upholstery material; 3. GB 18584-2001: Applicable indoor furniture environmental protection standard for formaldehyde and heavy metal emission limits, required for Chinese market commercial furniture supply; 4. GB/T 10357.3-2013: Applicable test standard for chair strength and durability (static load, impact, fatigue testing) for office seating products; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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