| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 870 x 870 x 790 mm | |
|---|---|---|
| Seat width | 635 mm | |
| Seat depth | 546 mm | |
| Seat height | 470 mm | |
| Backrest height | 381 mm | |
| Armrest height | 597 mm | |
| Seat cushion thickness | 112 mm | |
| Floor to base clearance | 10 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 | 136 kg | |
|---|---|---|
| Net product weight | 28 kg | |
| Seat cushion foam density | 28 kg/m³ | |
| Foam rebound rate | 60% | |
| Swivel rotation range | 360° | |
| Upholstery abrasion resistance | 50000 cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | Textured light gray crushed velvet, 0.8mm fabric thickness | |
|---|---|---|
| Seat cushion fill | High-density polyurethane foam wrapped in soft polyester fiber | |
| Back and arm fill | High-resilience polyurethane foam with fiber batting wrap | |
| Inner structural frame | Kiln-dried solid hardwood and engineered wood composite, 25mm frame thickness | |
| Seat support system | 8-gauge sinuous steel spring suspension with polypropylene webbing | |
| Swivel base plate | 2mm thick gold-powder-coated steel, circular ring design | |
| Swivel mechanism | Heavy-duty steel ball-bearing swivel plate, 3mm thickness | |
| Base glides | Small black nylon floor-protecting glides | |
| Seam construction | Reinforced stitched seams with 8mm stitch pitch | |
| 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
| Rotation mechanism | Ball-bearing swivel enables smooth 360-degree rotation without height adjustment | |
|---|---|---|
| Seating design | Continuous integrated wrap-around back and armrests create enclosed supportive seating | |
| Cushion design | Fitted fixed seat cushion aligned to curved frame for stable positioning | |
| Floor protection | Low-profile nylon glides prevent scuffing on hard flooring surfaces | |
| Seating orientation | Asymmetric curved form supports relaxed angled sitting positions | |
| Base stability | Wide circular steel base provides low center of gravity for stable swivel motion | |
| Swivel base diameter | 700 mm | |
| 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 a standalone accent chair next to sofas or coffee tables | |
|---|---|---|
| Bedroom seating area | Ideal for placement near vanities, windows or reading nooks | |
| Lounge and waiting areas | Appropriate for boutique hotel lobbies, co-working break rooms and upscale reception zones | |
| Modern interior schemes | Complements contemporary, minimalist, and organic modern design palettes | |
| Pairing configuration | Can be deployed as a single statement piece or in symmetric pairs flanking a side table | |
| 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 1022:2018 | Applicable standard for domestic seating stability testing and compliance | |
|---|---|---|
| EN 12520:2015 | Applicable standard for furniture seating strength, durability and safety |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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