| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 540 x 580 x 840 mm | |
|---|---|---|
| Seat width | 470 mm | |
| Seat depth | 430 mm | |
| Seat height | 450 mm | |
| Backrest height | 410 mm | |
| Backrest width | 480 mm | |
| Sled base footprint width | 520 mm | |
| Sled base footprint depth | 560 mm | |
| Upholstered seat cushion thickness | 40 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
| Chair unit weight | 7 kg | |
|---|---|---|
| Static seat load rating | 110 kg | |
| Stackable quantity per stack | 10 units | |
| Sled leg tube diameter | 19 mm | |
| Chair unit net weight | 7 kg | |
| Sliding repositioning resistance | Low | |
| 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
| Backrest shell | Injection-molded polypropylene with horizontal vent slots in black finish | |
|---|---|---|
| Seat cushion upholstery | Black woven fabric cover stitched to perimeter of seat base | |
| Seat cushion fill | Molded polyurethane foam padding under fabric cover | |
| Seat base support | Black plastic seat pan supporting cushion and attaching to frame | |
| Sled frame | Chrome-plated carbon steel round tube formed into continuous U-shaped legs | |
| Frame-to-seat connection | Injected plastic bracket interface between seat pan and steel tube | |
| Floor contact pads | Plastic or rubber end caps on bottom of sled runners | |
| Backrest-to-seat mounting brackets | Reinforced polypropylene lugs integrated into backrest shell and seat pan | |
| 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
| Stacking capability | Vertical nesting stacking via sled base and contoured backrest profile for compact storage | |
|---|---|---|
| Fixed seating position | Non-adjustable seat height, non-reclining backrest and fixed seat angle for static visitor use | |
| Back ventilation | Horizontal slotted openings across backrest shell promote air circulation during seated use | |
| Armless access | No armrests provide unobstructed side entry and exit, and support dense room layouts | |
| Sled base mobility aid | Smooth runner design enables sliding across flat floors without lifting chair | |
| Modest floor protection | Runner end caps minimize direct metal-to-floor contact on hard surfaces | |
| Vertical stacking capability | Vertical nesting stacking via sled base and contoured backrest profile for compact storage | |
| Back ventilation system | 12 horizontal slotted openings across backrest shell promote air circulation during seated use | |
| Armless side access | No armrests provide unobstructed side entry and exit, and support dense room layouts | |
| Sled base sliding mobility | Smooth chrome runner design enables sliding across flat floors without lifting chair | |
| Hard floor protection | Runner end caps minimize direct metal-to-floor contact on hard surfaces such as tile, wood or laminate | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Gross weight per 4-unit carton | 32 kg | |
|---|---|---|
| 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 and meeting rooms | Suitable for boardrooms, training rooms and seminar spaces where flexible, stackable fixed seating is needed | |
|---|---|---|
| Visitor and reception areas | Appropriate for office lobbies, waiting rooms and visitor seating zones with moderate turnover | |
| Canteen and break rooms | Usable for staff dining and short-stay break areas requiring lightweight, wipeable seating | |
| Temporary event seating | Convenient for company events, training sessions and pop-up workspaces due to stacking portability | |
| Shared work and co-working zones | Works as auxiliary seating around hot desks, collaboration tables and touchdown areas | |
| Canteen and staff break rooms | Usable for staff dining and short-stay break areas requiring lightweight, wipeable seating | |
| Temporary corporate event seating | Convenient for company events, training sessions and pop-up workspaces due to stacking portability | |
| Shared co-working and collaboration zones | Works as auxiliary seating around hot desks, collaboration tables and touchdown work areas |
EU Market Access Requirements* EN Standards
| Seating strength and stability | Reference EN 16139:2013 Furniture - Chairs - Strength, durability and stability requirements for non-domestic seating | |
|---|---|---|
| Upholstery flammability reference | Consider EN 1021/2 Cigarette and match flame resistance for upholstered furniture for public-facing environments | |
| Non-domestic chair strength and durability | Reference EN 16139:2013 Furniture - Chairs - Strength, durability and stability requirements for non-domestic seating | |
| Upholstery flame resistance | Consider EN 1021 Furniture - Assessment of the ignitability of upholstered furniture - Part 2: Match flame equivalent for public-facing environments |
US and Canada office-furniture standards
| Contract seating performance | Reference ANSI/BIFMA X2017 General Purpose Office Chairs for seat impact, back fatigue and base stability testing guidance | |
|---|---|---|
| Contract seating performance baseline | Reference ANSI/BIFMA X2017 General Purpose Office Chairs for seat impact, back fatigue and base stability testing guidance |
Standards applicable to China-market projects
| General safety for office furniture | Applicable per GB/T 3326 Furniture - Seating - Determination of stability, strength and durability | |
|---|---|---|
| Flammability for public seating | Suggested acceptance aligned with GB 20286 Fire retardant property and fire protection requirement for public place upholstered furniture and components | |
| Furniture seating stability and strength | Applicable per GB/T 3326 Furniture - Seating - Determination of stability, strength and durability | |
| Public place upholstery flammability | Suggested acceptance aligned with GB 20286 Fire retardant property and fire protection requirement for public place upholstered furniture and components |
This product must meet the following technical requirements: 1. General safety for office furniture: Applicable per GB/T 3326 Furniture - Seating - Determination of stability, strength and durability; 2. Flammability for public seating: Suggested acceptance aligned with GB 20286 Fire retardant property and fire protection requirement for public place upholstered furniture and components; 3. Furniture seating stability and strength: Applicable per GB/T 3326 Furniture - Seating - Determination of stability, strength and durability; 4. Public place upholstery flammability: Suggested acceptance aligned with GB 20286 Fire retardant property and fire protection requirement for public place upholstered furniture and components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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