| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 600 x 920 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 | 8 kg | |
|---|---|---|
| Static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Recommended daily user weight | 120 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner back upholstery | 1.2mm thick cat-scratch resistant PU leather, off-white finish | |
|---|---|---|
| Outer seat and back trim | 1.2mm thick dark brown PU leather with black contrast piping | |
| Seat core padding | 40mm thick high-density polyurethane foam with innerspring pack | |
| Backrest padding | 30mm thick high-density polyurethane foam | |
| Support frame | 1.2mm thick black powder-coated carbon steel tubular frame | |
| Leg foot caps | Brass-toned plated ABS decorative caps with non-slip rubber base | |
| Internal seat base | 12mm thick multilayer plywood panel | |
| 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 function | Fixed armless design with contoured waist indent for lumbar support during upright dining | |
|---|---|---|
| Surface maintenance | Wipe-clean PU leather surface resistant to common food and beverage stains | |
| Leg stability | Four splayed legs with plate-mounted attachment to seat frame for anti-tip stability | |
| Floor protection | Non-slip rubber under gold foot caps prevents hard floor scratches | |
| Assembly requirement | Knock-down assembly with 4 included screws, no specialized tools needed | |
| Use position | Fixed non-swivel, non-reclining, non-height-adjustable frame for dining posture | |
| 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 room | Pairs with 6seater dining tables for daily family meal seating | |
|---|---|---|
| Cafe and light commercial restaurant | Durable wipe-clean upholstery suitable for moderate daily customer use | |
| Home kitchen breakfast nook | Compact armless design fits small space dining layouts without protruding armrests | |
| Reception and waiting areas | Upright supportive seat for short-term guest seating in office or salon spaces | |
| Rental and furnished accommodation | Scratch-resistant PU finish and metal frame withstand frequent tenant turnover 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 | Domestic furniture strength, durability and safety requirements for seating | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating stability test method and performance requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to upholstered dining chair structural safety | |
|---|---|---|
| GB/T 16799-2008 | Technical specifications for polyurethane synthetic leather used for furniture upholstery | |
| GB 28007-2011 | Safety requirements for children's furniture, applicable if used in family dining spaces with children |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to upholstered dining chair structural safety; 2. GB/T 16799-2008: Technical specifications for polyurethane synthetic leather used for furniture upholstery; 3. GB 28007-2011: Safety requirements for children's furniture, applicable if used in family dining spaces with children; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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