| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 650 x 920 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 500 mm | |
| Seat depth | 450 mm | |
| Seat cushion thickness | 114 mm | |
| Backrest height | 450 mm | |
| Armrest height above seat | 230 mm | |
| Backrest opening width | 320 mm | |
| Leg tube diameter | 22 mm | |
| Angled rear leg projection | 150 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 | 10 kg | |
|---|---|---|
| Static seat load capacity | 114 kg | |
| Recommended user weight limit | 110 kg | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Seam stitch pitch | 8 mm | |
| Surface abrasion resistance | 30000 Martindale cycles | |
| Frame static load rating | 150 kg | |
| Warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Dark grey polyester fabric | |
|---|---|---|
| Seat upholstery | Light grey polyester fabric | |
| Cushion core fill | High-density polyurethane foam | |
| Leg frame material | Cold-rolled steel tubing | |
| Rear angled leg detail | Ribbed steel reinforcement | |
| Frame joint hardware | Zinc-plated steel bolts and brackets | |
| Backrest inner support | 12 mm thick plywood panel | |
| Seat base support | 15 mm thick plywood panel | |
| Leg floor glides | Injection-molded nylon foot caps | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed upright dining posture support | |
|---|---|---|
| Armrest support | Integrated curved upholstered armrests | |
| Assembly design | Knock-down leg attachment | |
| Stacking capability | Non-stacking fixed structure | |
| Floor protection | Non-marking nylon glides | |
| Fabric maintenance | Spot-cleanable woven upholstery | |
| Structural stability | Angled rear leg bracing | |
| Color configuration | Two-tone dark back / light seat | |
| 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 | Upright seating for standard 750mm height dining tables for daily meal use | |
|---|---|---|
| Commercial cafe seating | Compact profile fits small cafe tables for casual food and beverage service | |
| Hotel restaurant dining | Consistent two-tone finish matches modern hospitality interior design schemes | |
| Breakout meeting space | Upright arm support suitable for short meetings in office lounge areas | |
| Open-plan kitchen island | Counter-adjacent seating for casual breakfast and prep area use | |
| Showroom display suite | Contemporary silhouette pairs with minimalist decor for staged home displays | |
| 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 and contract seating strength/durability requirements for dining chairs | |
|---|---|---|
| EN 1022:2019 | Seating stability test method applicable to four-leg non-adjustable dining chairs | |
| EN 71-3:2019 | Heavy metal migration limits for furniture materials intended for general use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to hidden inner seat/back panels | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel frame and legs | |
| GB 18584-2001 | Limit of harmful substances for wooden furniture interior materials, applicable for BOM verification | |
| GB/T 17592-2011 | Textile formaldehyde content limits, applicable to upholstery fabric testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to hidden inner seat/back panels; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame and legs; 3. GB 18584-2001: Limit of harmful substances for wooden furniture interior materials, applicable for BOM verification; 4. GB/T 17592-2011: Textile formaldehyde content limits, applicable to upholstery fabric testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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