| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 610 x 695 x 857 mm | |
|---|---|---|
| Seat width | 485 mm | |
| Seat depth | 455 mm | |
| Seat height (floor to seat top) | 455 mm | |
| Backrest width | 430 mm | |
| Backrest height above seat | 375 mm | |
| Armrest total span | 610 mm | |
| Armrest height above seat | 240 mm | |
| Underseat frame clearance | 240 mm | |
| Caster diameter | 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 chair | 10 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 60 kg/m³ | |
| Seat foam thickness | 50 mm | |
| Back mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 40000 cycles | |
| Frame static load rating | 300 kg | |
| Stacking quantity per storage stack | 10 chairs | |
| 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 | 1.5mm thick cold-rolled steel with grey powder-coated finish | |
|---|---|---|
| Backrest panel | PA+glass fiber reinforced frame with tensioned breathable polyester mesh | |
| Seat internal support | 12mm thick molded plywood seat shell | |
| Seat cushion padding | 60kg/m³ high-density cold-cured polyurethane foam | |
| Seat upholstery | Abrasion-resistant polyester fabric, orange finish | |
| Armrests | Injection-molded PP plastic integrated with frame hinges | |
| Hinge mechanism | Zinc-plated steel folding hinge pins with PP joint bushings | |
| Casters | 50mm diameter nylon dual-wheel swivel casters with hard-floor tread | |
| 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
| Folding mechanism | Seat-back hinge folds chair flat to 150mm thickness for stacking | |
|---|---|---|
| Mobility feature | Four swivel casters enable easy repositioning across hard floors and low-pile carpet | |
| Armrest function | Fixed integrated armrests provide stable arm support during seated use | |
| Back support | Fixed contoured mesh back provides passive lumbar support for upright seated posture | |
| Stacking capability | Folded chairs nest vertically to reduce storage footprint by 80% | |
| Floor protection | Soft caster tread prevents scuffing on hard floor surfaces during movement | |
| Seat support | Fixed non-reclining seat provides stable surface for training sessions and note-taking | |
| 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 | Ideal for multi-attendee sessions due to easy reconfiguration and compact storage | |
|---|---|---|
| Conference and meeting spaces | Suitable for temporary attendee seating during formal and informal meetings | |
| Educational classroom settings | Works for lecture and group work spaces requiring frequent layout changes | |
| Event and temporary venue seating | Easy to transport, stack and deploy for temporary events and community gatherings | |
| Co-working open offices | Functions as flexible guest or hot-desking seating for short-term 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 furniture seating safety standard | EN 1335:2018 | |
|---|---|---|
| Office furniture seating stability standard | EN 1022:2018 |
US and Canada office-furniture standards
| Multi-purpose seating standard | ANSI/BIFMA X2020 |
|---|
Standards applicable to China-market projects
| Office chair strength and durability standard | GB/T 10357.3 | |
|---|---|---|
| Furniture safety standard for seating | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability standard: GB/T 10357.3; 2. Furniture safety standard for seating: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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