| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 570 x 875 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width | 450 mm | |
| Seat depth | 460 mm | |
| Backrest height | 330 mm | |
| Top backrest width | 400 mm | |
| Armrest height above seat | 220 mm | |
| Floor to front armrest height | 698 mm | |
| Folded thickness for storage | 150 mm | |
| Seat cushion padding thickness | 50 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 unit | 8 kg | |
|---|---|---|
| Recommended static user load | 120 kg | |
| Fabric abrasion resistance | 50000 double rubs | |
| Seat foam density | 60 kg/m³ | |
| Seat foam rebound rate | 45 % | |
| Caster rolling durability | 40000 cycles | |
| Available color options | 5 | |
| Structural warranty | 3 years | |
| 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 mm thick powder-coated light gray steel tube X-frame | |
|---|---|---|
| Backrest panel | Slotted light gray PA+30% fiberglass reinforced plastic with integrated carry cutout | |
| Seat cushion shell | 12 mm thick plywood inner support under padding | |
| Seat padding | High-density molded polyurethane foam, 50mm thickness | |
| Seat upholstery | 3 mm thick double-layer warp-knitted teal polyester fabric | |
| Armrests | Fixed flat light gray PP plastic armrests mounted to upper frame | |
| Casters | 50 mm diameter black PU swivel casters fitted to all four legs | |
| Frame hardware | Zinc-plated steel folding pivot joints with lockable position stops | |
| Surface finish | Matte powder coat on steel frame for scratch resistance | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Folding mechanism | X-brace steel frame folds flat to 150mm thickness for nested storage | |
|---|---|---|
| Mobility feature | Four 360-degree swivel casters enable easy repositioning between rooms | |
| Backrest ventilation | Vertical slotted backrest design promotes continuous airflow during use | |
| Arm support | Fixed height armrests provide stable forearm support during seated use | |
| Stacking capability | Folded chairs nest together to reduce storage floor space by 70% | |
| Carry feature | Integrated top cutout in backrest allows single-hand transport of folded chair | |
| Position lock | Folding joint locks automatically when chair is opened for 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
| 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 | Optimized for flexible layouts, easy repositioning and compact storage between sessions | |
|---|---|---|
| Conference meeting spaces | Provides consistent seating for temporary attendees or overflow meeting capacity | |
| Educational classrooms and lecture halls | Suitable for seminar and exam seating with easy room turnover between classes | |
| Co-working and event spaces | Adaptable for pop-up events, workshops and flexible workspace configurations | |
| Temporary office overflow seating | Functions as extra guest seating that stores compactly when not in use | |
| 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 and performance recommendation | EN 1335:2018 | |
|---|---|---|
| Office seating stability recommendation | EN 1022:2018 | |
| Upholstered furniture fabric flammability recommendation | EN 1021:2014 |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| Office seating strength and durability recommendation | GB/T 10357.3 | |
|---|---|---|
| Furniture volatile organic compound emission recommendation | GB 18584 | |
| Hardware surface corrosion resistance recommendation | GB/T 3324 |
This product must meet the following technical requirements: 1. Office seating strength and durability recommendation: GB/T 10357.3; 2. Furniture volatile organic compound emission recommendation: GB 18584; 3. Hardware surface corrosion resistance recommendation: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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