| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 540 x 840 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Backrest height | 370 mm | |
| Armrest height | 690 mm | |
| Leg tube diameter | 22 mm | |
| Base footprint width | 510 mm | |
| Seat cushion thickness | 40 mm | |
| Shell thickness | 5 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
| Static load capacity | 150 kg | |
|---|---|---|
| Net weight per chair | 6.4 kg | |
| Recommended user weight | 150 kg | |
| Seat foam density | 35 kg/m³ | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Foam rebound rate | 60% | |
| Powder coat scratch resistance | 5000 cycles | |
| Floor glide load rating | 40 kg per glide | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Back and armrest shell | 5mm injection-molded polypropylene, matte sage green finish | |
|---|---|---|
| Seat cushion core | 40mm polyurethane foam, medium-firm density | |
| Seat upholstery | Woven polyester fabric, matte gray finish, stain-resistant treatment | |
| Support legs | 22mm diameter tapered steel tube, matte black powder coating | |
| Leg mounting plates | 1.5mm cold-rolled steel, black powder coating, recessed under shell | |
| Foot glides | Injection-molded polypropylene with non-slip rubber base | |
| Seam stitching | 30mm stitch pitch, matching gray polyester thread | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating orientation | Fixed upright posture, 5 degree backrest rake for table use | |
|---|---|---|
| Base configuration | Four outward-splayed fixed legs for anti-tip stability | |
| Assembly requirement | Knock-down construction, legs attach to shell with included hardware | |
| Armrest function | Continuous integrated arm support from backrest to seat front | |
| Floor protection | Replaceable rubber-tipped glides prevent hard floor scratching | |
| Stacking compatibility | Non-stackable fixed construction, requires individual storage | |
| 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 | Pairs with 760 mm height dining tables for daily meal seating | |
|---|---|---|
| Office meeting/breakout areas | Provides upright visitor seating for conference rooms and co-working spaces | |
| Cafes and casual dining venues | Stain-resistant fabric and impact-resistant shell suit high-turnover food service | |
| Home office desk seating | Fits standard height desks for lightweight task or guest use | |
| Showroom and waiting areas | Minimalist aesthetic complements modern interior design schemes | |
| 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 | Contract non-domestic seating strength, durability, safety requirements for meeting use | |
|---|---|---|
| EN 12520:2015 | Domestic furniture seating strength, durability, safety performance requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applies to seating stability testing | |
|---|---|---|
| GB/T 35607-2017 | Limit of harmful substances in upholstered furniture, applies to seat foam and fabric |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to seating stability testing; 2. GB/T 35607-2017: Limit of harmful substances in upholstered furniture, applies to seat foam and fabric; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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