| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 630 x 910 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 460 mm | |
| Seat depth | 450 mm | |
| Backrest height | 360 mm | |
| Frame tube diameter | 12.7 mm | |
| Seat pad thickness | 40 mm | |
| Floor glide diameter | 25 mm | |
| Stacking clearance per chair | 80 mm | |
| Knee clearance under seat | 260 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 | 9.5 kg | |
|---|---|---|
| Recommended static load capacity | 180 kg | |
| Maximum safe stack height on floor | 10 chairs | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Frame static load rating | 400 kg | |
| 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
| Backrest | Injection-molded white polypropylene, scratch-resistant surface | |
|---|---|---|
| Seat support base | 10mm molded plywood underlayment | |
| Seat padding | High-density molded polyurethane foam | |
| Seat upholstery | Grey commercial-grade woven polyester fabric | |
| Frame construction | 12.7mm solid steel rod, bright triple-chrome plated finish | |
| Floor glides | Non-marring injection-molded nylon, press-fit to frame ends | |
| Stitching | Reinforced polyester thread, 8mm seam pitch | |
| Back-to-frame fasteners | Zinc-plated steel rivets, corrosion-resistant finish | |
| 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
| Stacking capability | Vertical nesting of up to 10 chairs without auxiliary dollies | |
|---|---|---|
| Cantilever flex | Sled base provides 10mm controlled deflection under seated load | |
| Floor protection | Nylon glides prevent scratches on hard flooring without felt pads | |
| Fixed configuration | No swivel, tilt, height adjustment or casters for stable fixed seating | |
| Optional ganging | Compatible with standard chrome linking clips for row seating | |
| Stack transport | Compatible with standard chair stacking dollies for bulk moving | |
| 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 meeting rooms | Armless stackable design enables flexible row seating and quick reconfiguration | |
|---|---|---|
| Commercial dining areas | 480mm seat height matches standard dining table heights for foodservice use | |
| Training and education spaces | Lightweight stackable form allows fast room turnover for class and event use | |
| Reception and waiting areas | Minimalist modern aesthetic complements contemporary office reception design | |
| Co-working flexible spaces | Quick stacking and rearranging supports multi-use zones for events and hot-desking | |
| 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 16139:2013 | Furniture - Strength, durability and safety for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability | |
| EN 1335-2:2009 | Office work chair safety requirements, applicable for office meeting use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard, applicable for visitor seating | |
|---|---|---|
| ANSI/BIFMA X5.4-2012 | Lounge and public seating standard, applicable for multi-use spaces |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to plywood seat support | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable to steel frame | |
| GB 18584-2001 | Indoor decorating materials limit of harmful substances in furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood seat support; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to steel frame; 3. GB 18584-2001: Indoor decorating materials limit of harmful substances in furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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