| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 520 x 610 x 1000 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 480 mm | |
| Seat depth | 420 mm | |
| Backrest height | 550 mm | |
| Central upholstered back panel width | 120 mm | |
| Leg cross-section | 35 x 35 mm | |
| Stretcher height from floor | 200 mm | |
| Seat cushion thickness | 60 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 | 8.8 kg | |
|---|---|---|
| Static load capacity | 200 kg | |
| Recommended user weight | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Warranty period | 2 years | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame and legs | Walnut-toned solid rubberwood with matte clear finish | |
|---|---|---|
| Back slats | Solid wood curved frame with rounded edge profiling | |
| Seat base panel | 12 mm thick multilayer plywood | |
| Seat cushion fill | High-resilience polyurethane foam | |
| Back panel fill | 30 mm thick medium-density foam | |
| Upholstery fabric | Matte linen-look 100% polyester fabric | |
| Joinery hardware | Zinc-plated steel knockdown bolts and dowels | |
| Leg floor protection | Felt floor glides fixed to leg bottoms | |
| 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 armless side seating for dining use | |
|---|---|---|
| Lumbar support | Vertically aligned padded central back panel | |
| Structural bracing | Horizontal stretchers between all four legs | |
| Stacking compatibility | Non-stackable fixed frame design | |
| Assembly requirement | Knockdown assembly with included hardware and instructions | |
| Color customizability | Interchangeable fabric and wood finish options | |
| Cleaning method | Spot-clean upholstery with mild detergent, wipe wood frame with dry cloth | |
| 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
| Home dining rooms | Pairs with 750 mm height dining tables for daily family meals | |
|---|---|---|
| Restaurant and teahouse seating | Suitable for commercial dining areas with regular guest turnover | |
| Hotel banquet and private rooms | Coordinates with new Chinese style hotel furniture sets for event seating | |
| Open office breakout areas | Provides casual upright seating for employee break or meeting spaces | |
| Studio and reception areas | Functions as accent side seating for entry or waiting zones | |
| 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 | Strength, durability and safety for domestic seating, applicable to structural validation | |
|---|---|---|
| EN 1022:2018 | Stability test for seating furniture, applicable to anti-overturning verification |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame strength and finish | |
|---|---|---|
| GB/T 17597-1998 | Stability test standard for seating furniture, applicable to anti-tip verification | |
| GB 20400-2006 | Leather and fabric fur environmental limits, applicable to upholstery material testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame strength and finish; 2. GB/T 17597-1998: Stability test standard for seating furniture, applicable to anti-tip verification; 3. GB 20400-2006: Leather and fabric fur environmental limits, applicable to upholstery material testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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