| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 545 x 560 x 985 mm | |
|---|---|---|
| Seat surface width | 480 mm | |
| Seat depth | 470 mm | |
| Fixed seat height above floor | 440 mm | |
| Backrest total height | 550 mm | |
| Armrest height above seat | 180 mm | |
| Seat cushion thickness | 70 mm | |
| Armrest support span | 620 mm | |
| Backrest lumbar curve height | 220 mm | |
| Sled base contact length | 520 mm | |
| Seat front overhang | 25 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 | 45 kg/m³ | |
| Seat foam rebound rate | 42% | |
| Mesh tensile strength | 350 N/5cm | |
| Frame tube static load capacity | 300 kg | |
| Net product weight | 12 kg | |
| Back mesh abrasion resistance | 50000 cycles | |
| Frame finish corrosion resistance | 48 hours neutral salt spray | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest construction | Tensioned polyester mesh over black PP frame | |
|---|---|---|
| Seat cushion core | Molded high-density polyurethane foam | |
| Seat upholstery | Black woven fabric upholstery | |
| Main support frame | 25mm diameter chrome-plated steel tube, 2.0mm wall thickness | |
| Armrest pads | Integral steel frame with matte black PP top surface | |
| Floor glides | Injection-molded non-slip plastic feet, fitted to frame ends | |
| Seat support pan | 1.2mm thick steel plate under cushion | |
| Frame fasteners | Zinc-plated steel bolts and lock nuts | |
| 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
| Seating position | Fixed upright position with no height or angle adjustment | |
|---|---|---|
| Cantilever flex | Inherent 3-degree back flex from steel frame deflection | |
| Floor protection | Fixed non-slip glides prevent floor scratching and unwanted sliding | |
| Lumbar support | Contoured fixed lower back support molded into back frame | |
| Arm support | Fixed loop armrests provide stable arm support during meetings | |
| Stacking compatibility | Designed to allow up to 4 chairs stacked vertically for storage | |
| Breathable back | Open mesh construction allows air circulation for prolonged sitting | |
| Assembly requirement | Knock-down assembly required for backrest attachment to frame | |
| 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
| Conference room fixed seating | Suitable for meeting rooms around boardroom and conference tables | |
|---|---|---|
| Reception and guest waiting areas | Appropriate for reception lobbies and visitor waiting zones | |
| Office staff side seating | Works as guest seating positioned in front of executive desks | |
| Training room seating | Suitable for training rooms and lecture spaces | |
| Open plan touchdown areas | Fits informal collaborative touchdown work points | |
| Public service counter seating | Ideal for bank, clinic and government counter service zones | |
| Recommended table pairing | Compatible with standard 760 mm height office meeting tables | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Recommended office chair safety standard | EN 1335:2009 | |
|---|---|---|
| Recommended office chair dimension standard | EN 1335:2000 | |
| Recommended furniture surface durability | EN 14434:2017 | |
| Recommended upholstery flammability standard | EN 1021:2014 |
US and Canada office-furniture standards
| Recommended seating durability test standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Recommended stability test requirement | ANSI/BIFMA X5.1 Clause 5 |
Standards applicable to China-market projects
| Recommended standard for office seating dimensions | GB/T 3326 | |
|---|---|---|
| Recommended standard for office seating mechanical performance | GB/T 10357.3 | |
| Recommended standard for furniture harmful substances | GB 18584 |
This product must meet the following technical requirements: 1. Recommended standard for office seating dimensions: GB/T 3326; 2. Recommended standard for office seating mechanical performance: GB/T 10357.3; 3. Recommended standard for furniture harmful substances: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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