| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 570 x 1000 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat usable width | 500 mm | |
| Seat usable depth | 450 mm | |
| Seat cushion thickness | 60 mm | |
| Backrest height from seat | 550 mm | |
| Backrest width | 420 mm | |
| Armrest height above seat | 190 mm | |
| Armrest height from floor | 640 mm | |
| Sled base front-to-back length | 570 mm | |
| Armrest outer span width | 650 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
| Recommended static user load | 120 kg | |
|---|---|---|
| Seat foam density | 50 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Back mesh abrasion resistance | 50000 cycles | |
| Cantilever frame static load capacity | 500 kg | |
| Chair net weight | 12 kg | |
| Floor glide static friction coefficient | 0.6 | |
| 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
| Cantilever base frame | 2.0mm wall thickness chrome-plated steel tube | |
|---|---|---|
| Backrest support frame | White molded polypropylene with 20% glass fiber reinforcement | |
| Backrest panel | High-tensile breathable nylon mesh fabric | |
| Seat cushion core | High-density cold-cured polyurethane foam | |
| Seat upholstery | Olive green woven polyester fabric with white edge trim | |
| Armrest supports | White molded polypropylene matching back frame color | |
| Armrest contact pads | Smooth matte polypropylene contact surface | |
| Floor contact glides | Injection-molded nylon anti-scratch glides | |
| Seat underside shell | White molded polypropylene support 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating position | Fixed non-adjustable upright posture | |
|---|---|---|
| Cantilever flex | Controlled 8° dynamic flex from sled frame | |
| Back support | Contoured mesh panel with built-in lumbar curvature | |
| Arm support | Fixed height T-shaped armrests aligned to standard desk height | |
| Floor protection | Smooth nylon glides that slide without scratching hard floors | |
| Stacking capability | Non-stacking fixed frame design | |
| 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
| Meeting room use | Suitable for conference tables with 760 mm standard work height | |
|---|---|---|
| Visitor reception use | Suitable for office reception and guest waiting areas | |
| Training room use | Suitable for corporate training and classroom seating rows | |
| Hard floor compatibility | Suitable for tile, wood, and laminate office flooring | |
| Short-to-medium duration seating | Optimized for 4 hour seated sessions in collaborative settings | |
| 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
| EN 1335-1:2020 | Applies to dimensional safety and ergonomic requirements for office visitor seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength and stability performance requirements for office seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to static, impact, and cyclic load testing for commercial office seating |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional tolerances and stability requirements for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and durability testing for office chair seats and backs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional tolerances and stability requirements for office seating; 2. GB/T 10357.3-2013: Applies to mechanical strength and durability testing for office chair seats and backs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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