| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 890 x 900 x 1000 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 690 mm | |
| Seat depth | 560 mm | |
| Backrest height | 690 mm | |
| Base diameter | 760 mm | |
| Central support stem diameter | 50 mm | |
| Floor glide height | 5 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 | 18 kg | |
|---|---|---|
| Static weight capacity | 136 kg | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 40 kg/m³ | |
| Foam rebound rate | 45% | |
| Swivel rotation | 360 degrees | |
| Warranty period | 5 years | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Deep purple woven polyester fabric, 1.2mm thickness | |
|---|---|---|
| Seat and back inner shell | Molded polyurethane foam over rigid internal frame | |
| Internal support frame | 12mm thick bent plywood inner shell | |
| Central support stem | Polished chrome-plated steel tube, 2mm wall thickness | |
| Base structure | Polished die-cast aluminum four-prong star base, 8mm wall thickness | |
| Floor protection glides | Non-marking rubber pads at each base tip | |
| Swivel bearing mechanism | Steel ball bearing swivel joint between stem and seat shell | |
| Upholstery underlining | Fire-retardant spun polyester interliner | |
| 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
| Swivel operation | 360-degree smooth rotation without height adjustment, locked to fixed seat height | |
|---|---|---|
| Lumbar support | Integrated concave molded lumbar curve built into seat-back shell | |
| Upper back support | Winged curved upper back design to provide shoulder and upper torso support | |
| Floor protection | Non-marking rubber glides on all four base prongs to prevent hard floor damage | |
| Posture design | Fixed relaxed lounge recline angle of 105 degrees between seat and back | |
| No recline adjustment | Fixed backrest angle with no tilt or lock mechanism | |
| Armless design | No protruding armrests to allow flexible seating positions and easy access | |
| 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
| Office reception areas | Sculptural design provides premium guest seating for corporate lobbies and waiting zones | |
|---|---|---|
| Open plan breakout spaces | Armless swivel design supports flexible casual interaction between colleagues | |
| Residential living rooms | Compact footprint works as an accent chair for modern living spaces and reading nooks | |
| Hotel lounge zones | Durable construction meets high-traffic public seating requirements for hospitality settings | |
| Executive office guest areas | Polished chrome and bold purple finish complements high-end office interior schemes | |
| Co-working common areas | Swivel function allows users to reorient easily in collaborative shared spaces | |
| 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 | Domestic furniture – Seating – Determination of stability, required for overturn resistance validation | |
|---|---|---|
| EN 12520:2015 | Furniture – Strength, durability and safety for domestic seating, applicable for structural performance | |
| EN 13759:2009 | Contract furniture – Seating – Test methods for swivel mechanisms, applicable for swivel durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Lounge and public seating standard, recommended for commercial installation performance requirements | |
|---|---|---|
| ANSI/BIFMA X7.1-2021 | Standard for formaldehyde and TVOC emissions from office furniture, recommended for indoor air quality |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner plywood shell construction | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fur upholstered furniture, applicable for fabric compliance | |
| GB/T 10357.3-2013 | Test method for furniture mechanical strength of chairs and stools, applicable for static load testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner plywood shell construction; 2. GB 20400-2006: Limit of harmful substances in leather and fur upholstered furniture, applicable for fabric compliance; 3. GB/T 10357.3-2013: Test method for furniture mechanical strength of chairs and stools, applicable for static load testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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