| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 515 x 590 x 880 mm | |
|---|---|---|
| Seat height | 530 mm | |
| Seat width | 510 mm | |
| Seat depth | 430 mm | |
| Backrest height | 450 mm | |
| Leg tube diameter | 22 mm | |
| Leg splay span (front to back) | 490 mm | |
| Leg splay span (side to side) | 440 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Floor clearance under seat | 380 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight per chair | 10 kg | |
|---|---|---|
| Recommended static load capacity | 140 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery Martindale abrasion resistance | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Frame static load rating | 300 kg | |
| Warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0mm thick matte PU leather or woven polyester fabric | |
|---|---|---|
| Seat fill | High-resilience polyurethane foam cushion | |
| Back fill | Medium-density polyurethane foam padding | |
| Internal seat support panel | 12mm thick plywood board under cushion | |
| Leg material | 1.2mm thick cold-rolled carbon steel tube | |
| Leg finish | Matte black electrostatic powder coating | |
| Foot caps | Non-marking PVC floor protector pads | |
| Internal frame hardware | Zinc-plated steel bolts and brackets for leg attachment | |
| 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 function | Fixed-position non-swivel armless seating for dining use | |
|---|---|---|
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Back support | Ergonomic curved contoured back for upright dining posture | |
| Floor protection | Non-slip non-marking foot caps to prevent floor damage | |
| Weight distribution | Four splayed tapered legs for anti-tip stability on hard floors | |
| Stacking compatibility | Non-stackable fixed frame design | |
| Color option availability | Multiple upholstery color options including light gray, bright orange, black, beige | |
| Surface care | Wipe-clean upholstery suitable for daily spill removal | |
| 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 | Compact armless footprint fits standard dining tables for 6seat setups | |
|---|---|---|
| Commercial restaurants and cafes | Durable metal frame and wipe-clean upholstery supports high-traffic daily use | |
| Office break rooms and waiting areas | Comfortable padded seating for short-term guest and employee use | |
| Hotel banquet and guest room seating | Sleek minimalist design complements modern hospitality interiors | |
| Makeup vanity and study desk side seating | Standard seat height pairs with 760 mm high desks for upright task seating | |
| 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 | Furniture – Strength, durability and safety for domestic seating, recommended for load testing | |
|---|---|---|
| EN 1022:2018 | Furniture – Seating – Determination of stability, recommended for anti-tip verification | |
| EN 13722:2004 | Furniture – Upholstered furniture – Classification of resistance to ignition, recommended for fabric fire safety |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood support panels | |
|---|---|---|
| GB/T 24821-2009 | Performance requirements for dining tables and chairs, applicable to structural load testing | |
| GB 18584-2001 | Limit of harmful substances in wood furniture, applicable to formaldehyde emission limits | |
| GB/T 1732-2020 | Paint film impact resistance test, applicable to powder-coated metal leg finishes |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood support panels; 2. GB/T 24821-2009: Performance requirements for dining tables and chairs, applicable to structural load testing; 3. GB 18584-2001: Limit of harmful substances in wood furniture, applicable to formaldehyde emission limits; 4. GB/T 1732-2020: Paint film impact resistance test, applicable to powder-coated metal leg finishes; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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