| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 740 x 720 x 740 mm | |
|---|---|---|
| Seat height | 520 mm | |
| Seat depth | 530 mm | |
| Seat width | 560 mm | |
| Seat cushion thickness | 130 mm | |
| Backrest height above seat | 380 mm | |
| Armrest height above seat | 200 mm | |
| Leg diameter | 16 mm | |
| Under-seat ground clearance | 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
| Recommended static load capacity | 181 kg | |
|---|---|---|
| Net product weight | 14 kg | |
| Seat foam density | 38 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| Recommended warranty period | 90 days | |
| Available upholstery color count | 8 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | Taupe woven polyester fabric | |
|---|---|---|
| Inner back upholstery | Darker taupe plush woven fabric | |
| Seat fill | High-density polyurethane foam over sinuous spring support | |
| Inner structural frame | 12 mm thick plywood with reinforced corner blocking | |
| Support frame and legs | Powder-coated matte black 16mm diameter steel tubing | |
| Connector hardware | Polished gold-finish zinc alloy brackets at frame-upholstery joints | |
| Floor protection pads | Non-slip injection-molded plastic foot caps | |
| Cushion edge finish | Matching fabric piping along seat cushion perimeter | |
| 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
| Base function | Static four-point splayed leg base with no swivel or recline mechanism | |
|---|---|---|
| Seat support | Sinuous spring suspension under foam cushion to prevent sagging | |
| Ergonomic support | Wrap-around integrated arm/back structure encloses seated user for lateral support | |
| Floor protection | Plastic foot caps on all leg ends prevent hard floor scratching | |
| Cleaning requirement | Spot clean only with upholstery-safe detergent, no machine washing | |
| Assembly requirement | Knock-down assembly required with included hardware and instructions | |
| Structural stability | Angled splayed leg geometry widens base footprint for tip resistance | |
| 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 living room | Suitable as standalone accent seating next to sofas or coffee tables | |
|---|---|---|
| Bedroom seating nook | Fits in compact bedroom corners for casual dressing or reading | |
| Office reception area | Appropriate for guest waiting areas with light traffic modern design | |
| Hotel lounge guest room | Coordinates with boutique hotel interiors for premium guest seating | |
| Balcony sunroom use | Works for enclosed sunrooms with protected indoor placement | |
| Studio apartment space | Provides single-person seating without occupying excessive floor space | |
| 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 | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability test for smouldering cigarette | |
| EN 13759:2003 | Furniture, test methods for legs and base strength |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Lounge and public seating standard, optional for light commercial use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner plywood frame | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material, limit of harmful substances in wood furniture | |
| GB/T 19867.1-2015 | Upholstered furniture seating durability test method |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner plywood frame; 2. GB 18584-2001: Indoor decoration material, limit of harmful substances in wood furniture; 3. GB/T 19867.1-2015: Upholstered furniture seating durability test method; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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