| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 590 x 590 x 830 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Backrest height above seat | 320 mm | |
| Armrest height above seat | 220 mm | |
| Under-seat knee clearance height | 460 mm | |
| Leg section size | 30 x 30 mm | |
| Seat cushion thickness | 115 mm | |
| Backrest 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
| Recommended static weight capacity | 150 kg | |
|---|---|---|
| Net weight per chair | 9 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Structural frame static load rating | 300 kg | |
| Warranty period | 1 year | |
| 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 | Light beige matte woven fabric, 0.8mm face thickness | |
|---|---|---|
| Seat core substrate | 12mm thick multi-layer plywood under foam | |
| Seat and back filling | High-resilience polyurethane foam | |
| Structural frame and legs | Dark finished solid hardwood, 30mm section | |
| Armrest surface | Smooth matte dark finish matching leg frame | |
| Joinery hardware | Zinc-plated steel bolts and connecting brackets | |
| Leg foot caps | Non-marking 5mm thick PE plastic glides | |
| Backrest support panel | 8mm curved plywood shaped to match back profile | |
| 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 upright position for dining use, no recline or tilt mechanism | |
|---|---|---|
| Rotation function | Non-swivel fixed base, no rotating mechanism under seat | |
| Armrest support | Continuous wrap-around frame armrests for forearm support during seating | |
| Folding function | Non-folding rigid frame structure, permanently assembled frame geometry | |
| Floor protection | Non-slip non-marking foot glides prevent hard floor scratching | |
| Cleaning function | Spot-cleanable fabric surface suitable for daily dining spill maintenance | |
| Color customization | Multiple neutral upholstery color options available for bulk orders | |
| 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 use | Pairs with standard 750mm height dining tables for daily family meals | |
|---|---|---|
| Restaurant and cafe seating | Compact footprint suits commercial dining area layouts with high turnover | |
| Home office guest seating | Upright posture works for short-term visitor seating next to desks | |
| Hotel meeting and breakout areas | Coordinated minimalist design suits contemporary hospitality common spaces | |
| Recommended table clearance | Minimum 650mm table apron clearance required to fit armrests under table top | |
| Surface compatibility | Non-marking glides suitable for hardwood, tile, and laminate flooring without damage | |
| Recommended seating capacity per table | 6 chairs for standard 1800mm long rectangular dining tables | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Strength, durability and safety requirements for domestic seating including dining chairs | |
|---|---|---|
| EN 1022:2018 | Stability testing requirements for non-upholstered and upholstered domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable for wooden furniture for domestic dining use | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit for formaldehyde emission from wood furniture | |
| GB/T 19817-2005 | Upholstery fabric performance requirements for textile furniture coverings |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable for wooden furniture for domestic dining use; 2. GB 18584-2001: Indoor decoration material limit for formaldehyde emission from wood furniture; 3. GB/T 19817-2005: Upholstery fabric performance requirements for textile furniture coverings; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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