| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610 x 553 x 848 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat usable depth | 485 mm | |
| Seat usable width | 465 mm | |
| Backrest height | 375 mm | |
| Backrest width | 430 mm | |
| Writing tablet usable surface | 360 x 250 mm | |
| Armrest height above seat | 230 mm | |
| Front sled base width | 490 mm | |
| Rear sled base width | 553 mm | |
| Tablet stowed projection from frame | 175 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 net weight | 9 kg | |
|---|---|---|
| Static seat load capacity | 300 kg | |
| Stacking quantity for storage | 10 chairs | |
| Seat foam density | 60 kg/m³ | |
| Frame steel tube wall thickness | 2 mm | |
| Structural warranty | 5 years | |
| 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 construction | Tensioned breathable black polyester mesh over PP+GF inner frame | |
|---|---|---|
| Seat cushion construction | 12mm plywood core wrapped in high-density foam with black fabric upholstery | |
| Frame construction | Cold-rolled steel tube with black electrostatic powder-coated finish | |
| Writing tablet construction | Rigid ABS composite panel with steel + aluminum rotating bracket | |
| Armrest construction | Injection-molded black PP fixed armrest pads with steel mounting brackets | |
| Seat cushion foam thickness | 40 mm | |
| Seam stitch pitch | 8 stitches per 30mm | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Frame folding mechanism | Spring-loaded locking hinge folds seat flat for compact vertical stacking | |
|---|---|---|
| Writing tablet rotation | 180-degree swivel mechanism folds tablet out for use and flush against frame for storage | |
| Storage capability | Sled base design enables stable vertical stacking without disassembly | |
| Back support design | Contoured fixed mesh back with built-in lumbar curve for upright seating | |
| Surface finish protection | Electrostatic powder-coated frame resists scratches and corrosion for high-traffic use | |
| Fixed seat height | Non-adjustable fixed 460mm seat height optimized for standard 760 mm training tables | |
| 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 | Suitable for multi-seat training layouts with fast reconfiguration via fold-flat stacking | |
|---|---|---|
| Conference/meeting spaces | Ideal for temporary meeting setups with built-in writing surface for note-taking | |
| Educational classroom facilities | Suited for lecture halls and seminar rooms with durable construction for daily student use | |
| Event and conference venues | Appropriate for temporary event seating with quick deployment and compact storage | |
| Co-working flexible spaces | Supports hot-desking and ad-hoc workshop setups with no fixed floor mounting required | |
| 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
| Office furniture seating stability requirement | EN 1022 | |
|---|---|---|
| Office seating safety/strength requirement | EN 1335 | |
| Furniture surface flame retardancy requirement | EN 1021 |
US and Canada office-furniture standards
| Fixed seating strength requirement | ANSI/BIFMA X5.1 | |
|---|---|---|
| Lounge/training seating static load requirement | ANSI/BIFMA X5.4 |
Standards applicable to China-market projects
| Office chair stability requirement | GB/T 10357.2 | |
|---|---|---|
| Office chair strength/durability requirement | GB/T 10357.3 | |
| Furniture coating limit requirement | GB 18581 |
This product must meet the following technical requirements: 1. Office chair stability requirement: GB/T 10357.2; 2. Office chair strength/durability requirement: GB/T 10357.3; 3. Furniture coating limit requirement: GB 18581; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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