| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 640 x 860 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
| Product net weight | 8 kg | |
|---|---|---|
| Static seat load capacity | 120 kg | |
| Recommended user weight limit | 110 kg | |
| Rolling durability of casters | 40000 cycles | |
| Seam stitch pitch | 3 stitches per cm | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Rebound rate of seat foam | 40% | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Woven polyester fabric, abrasion resistance 30000 cycles | |
|---|---|---|
| Backrest upholstery | Matching woven polyester fabric over split panels | |
| Seat cushion core | High-resilience polyurethane foam, 50mm thick | |
| Backrest cushion core | Molded polyurethane foam, 40mm thick | |
| Frame construction | 1.5mm thick steel tubing with white powder-coated finish | |
| Armrest supports | Reinforced nylon 66 with integrated steel mounting brackets | |
| Caster housings and wheels | Black nylon housing with polyurethane rolling surface | |
| Folding hinge hardware | Zinc-plated steel latch mechanism at seat-back joint | |
| 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
| Seat folding mechanism | 90-degree upward fold to enable compact nesting storage | |
|---|---|---|
| Mobility function | Four twin-wheel casters support free 360-degree rotation on hard floors | |
| Backrest support | Dual split back panels provide independent lumbar contour support | |
| Armrest design | Fixed-position full-length armrests support forearm rest during seated use | |
| Storage configuration | Nestable stacking when folded, reducing storage footprint by 70% | |
| Frame stability | Splayed four-leg geometry prevents tipping during normal seated movement | |
| 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
| Shipping volume per carton | 0.09 CBM | |
|---|---|---|
| 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-day training programs, easy reconfiguration via casters | |
|---|---|---|
| Conference meeting spaces | Ideal for temporary meeting setups that require flexible seating arrangements | |
| Co-working flexible offices | Fits hot-desking and event spaces requiring stackable, easy-to-move seating | |
| Educational institution classrooms | Appropriate for college seminar rooms that need flexible, durable seating | |
| Temporary event seating | Usable for corporate events and workshops requiring fast setup and teardown | |
| 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 chair safety requirement | EN 1335 | |
|---|---|---|
| Caster rolling performance | EN 12528 |
US and Canada office-furniture standards
| General office chair test | ANSI/BIFMA X5.1 | |
|---|---|---|
| Caster durability test | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Seating stability test | GB/T 10357.2 | |
|---|---|---|
| Upholstery fabric durability | GB/T 21196.2 |
This product must meet the following technical requirements: 1. Seating stability test: GB/T 10357.2; 2. Upholstery fabric durability: GB/T 21196.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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