| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 780 x 860 mm | |
|---|---|---|
| Seat height from floor | 430 mm | |
| Seat width (arm to arm inner) | 520 mm | |
| Seat depth (front edge to backrest) | 580 mm | |
| Backrest total height | 540 mm | |
| Armrest height from seat | 180 mm | |
| 4-star base horizontal spread | 700 mm | |
| Central support stem height | 220 mm | |
| Included lumbar pillow dimensions | 400 x 300 mm | |
| Seat cushion thickness | 120 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 product weight | 21 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Seat foam density | 27 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Backrest foam thickness | 80 mm | |
| Upholstery abrasion resistance | 30000 cycles | |
| Anti-tip stability rating | Pass 10-degree tilt test | |
| Recommended user weight limit | 136 kg | |
| 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 | 100% woven polyester fabric, moss green finish | |
|---|---|---|
| Seat and back cushion fill | High-density polyurethane foam over S-spring support core | |
| Inner structural frame | 15mm thick plywood seat pan with steel reinforcement brackets | |
| Integrated wrap-around armrests | Padded with 60mm thick foam, upholstered in matching polyester fabric | |
| Included lumbar pillow | Polyester fabric cover with 25kg/m³ soft polyfiber fill, removable cover | |
| Swivel mechanism | Steel ball-bearing swivel joint with nylon friction bushing for silent rotation | |
| 4-star base and central stem | 2mm thick steel with matte black powder-coated finish | |
| Base foot pads | 5mm thick non-slip rubber pads on each prong end | |
| Seam construction | 10 stitches per 50mm precision upholstery stitching | |
| Fabric surface finish | Stain-resistant water-repellent treatment | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Rotation function | 360-degree full rotation via central ball-bearing swivel joint | |
|---|---|---|
| Stability design | 4-prong metal base configured for anti-tip performance on hard floors and low-pile carpet | |
| Lumbar support | Matching soft throw pillow positioned for adjustable lower back support | |
| Seating ergonomics | Contoured high back with wrap-around arms to support upper back and forearms | |
| Adjustability | No height adjustment, tilt lock, or recline mechanism fitted | |
| Floor protection | Rubber foot pads on each base prong prevent floor scratches | |
| Maintenance access | Spot-cleanable fabric surface, removable lumbar pillow cover for cleaning | |
| Assembly requirement | Simple attachment of seat assembly to 4-star base with included hardware | |
| 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 use | Suitable for placement in living room corners, reading nooks, or open-plan lounge areas | |
|---|---|---|
| Office reception area use | Appropriate for guest waiting areas, executive lounge zones, or breakout spaces | |
| Hospitality venue use | Suitable for hotel lobbies, boutique cafe seating, and co-working lounge zones | |
| Bedroom accent seating | Ideal as a bedroom reading chair placed near windows or dressing areas | |
| Configuration recommendation | Pair with a 450mm height round side table for beverage and book placement | |
| User suitability | Designed for adult users seeking relaxed, supportive seating for 2 hour sitting sessions | |
| 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
| Furniture seating safety recommendation | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability recommendation | EN 1021:2014 | |
| Office lounge seating performance recommendation | EN 16139:2013 |
US and Canada office-furniture standards
| Lounge seating durability recommendation | ANSI/BIFMA X2023 |
|---|
Standards applicable to China-market projects
| Upholstered furniture safety recommendation | GB 28007 | |
|---|---|---|
| Furniture structural strength recommendation | GB/T 10357.3 | |
| Formaldehyde emission recommendation | GB 18584 |
This product must meet the following technical requirements: 1. Upholstered furniture safety recommendation: GB 28007; 2. Furniture structural strength recommendation: GB/T 10357.3; 3. Formaldehyde emission recommendation: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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