| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610 x 610 x 900 mm | |
|---|---|---|
| Seat width | 570 mm | |
| Seat depth | 420 mm | |
| Seat height from floor | 510 mm | |
| Backrest height above seat | 386 mm | |
| Armrest height above floor | 660 mm | |
| Armrest width | 80 mm | |
| Leg tube diameter | 25 mm | |
| Under-seat knee clearance height | 420 mm | |
| Seat cushion thickness | 80 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 | 11.2 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Recommended user weight limit | 136 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Frame static load capacity | 200 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
| Seat/back/arm upholstery | 100% polyester woven fabric | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Back padding | Medium-density polyurethane foam | |
| Internal seat support | 12 mm thick plywood board | |
| Frame and legs | Powder-coated matte black carbon steel | |
| Arm support structure | 18 mm diameter steel tube | |
| Leg foot caps | Non-marking polyethylene glides | |
| Upholstery stitching | Polyester bonded thread, 8 stitches per 30 mm | |
| 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
| Frame structure | Fixed four-leg rigid welded frame | |
|---|---|---|
| Assembly requirement | Knocked-down leg assembly required | |
| Back support function | Upright fixed ergonomic back support | |
| Armrest support | Integrated fixed padded armrests | |
| Floor protection | Non-marking glide feet | |
| Cleaning method | Spot clean with mild detergent and damp cloth | |
| Stacking capability | Non-stackable 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
| Residential dining rooms | Suitable for standard height dining tables for daily family meals | |
|---|---|---|
| Commercial cafe/restaurant seating | Durable metal frame and performance fabric suit high-traffic food service spaces | |
| Office meeting/guest areas | Upright supportive design works for short-term visitor seating in offices | |
| Hotel guest room seating | Neutral taupe/black finish coordinates with modern hospitality interiors | |
| Open-plan kitchen breakfast areas | Compact footprint fits small dining nooks and kitchen island seating | |
| Recommended table pairing | Matches dining tables with 760 mm work surface height for ergonomic 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
| EN 12520:2015 | Standard for domestic and contract dining chair strength and stability testing | |
|---|---|---|
| EN 1021-1:2014 | Applies to upholstered furniture cigarette ignition resistance requirements |
Standards applicable to China-market projects
| GB/T 19995.1-2005 | Applies to fabric upholstery colorfastness and performance requirements | |
|---|---|---|
| GB 18584-2001 | Applies to formaldehyde emission limits for furniture materials |
This product must meet the following technical requirements: 1. GB/T 19995.1-2005: Applies to fabric upholstery colorfastness and performance requirements; 2. GB 18584-2001: Applies to formaldehyde emission limits for furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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