| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 670 x 670 x 1080 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat width between arm supports | 520 mm | |
| Seat cushion depth | 460 mm | |
| Seat cushion thickness | 70 mm | |
| Backrest total height from seat | 620 mm | |
| Armrest height from floor | 650 mm | |
| Armrest width (outer edge to edge) | 620 mm | |
| Backrest width at widest point | 480 mm | |
| Leg cross-section dimension | 50 x 50 mm | |
| Floor clearance under seat front rail | 220 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 | 28 kg | |
|---|---|---|
| Maximum static user load capacity | 150 kg | |
| Seat foam density | 36 kg/m³ | |
| Backrest foam density | 30 kg/m³ | |
| Foam rebound rate | 45% | |
| Foam compression set rate | 6% | |
| Recommended maximum continuous seating duration | 4 hours | |
| 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
| Main structural frame | Kiln-dried solid hardwood, red-brown lacquer finish | |
|---|---|---|
| Seat upholstery | 1.5 mm thick black top-grain leather/PU covering | |
| Backrest upholstery | 1.5 mm thick black segmented upholstery matching seat | |
| Internal seat/back support panel | 12 mm thick E0/E1 grade bent plywood | |
| Seat cushion filling | High-resilience cold-cure polyurethane foam | |
| Backrest cushion filling | High-resilience polyurethane foam | |
| Frame surface finish | 2H hardness water-based lacquer | |
| Joinery hardware | Reinforced mortise-and-tenon wood joints with steel dowel fasteners | |
| Bottom foot pads | Non-slip rubber floor protection pads | |
| Seam stitching | High-tensile polyester thread, 8 stitches per 30mm 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating mechanism type | Fixed-position non-swivel non-tilt seating structure | |
|---|---|---|
| Armrest function | Curved integrated fixed wood armrests for elbow support | |
| Backrest support design | Segmented horizontally contoured back for lumbar/upper back support | |
| Floor contact function | Fixed four-point contact with rubber pads, no casters | |
| Height adjustment function | No height, tilt, or recline adjustment mechanism present | |
| Assembly configuration | Semi-knockdown construction with pre-fitted upholstered panels | |
| Stacking compatibility | Non-stacking fixed leg structure | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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
| Corporate meeting room seating | Suitable for fixed arrangement around formal conference tables, matches executive meeting aesthetics | |
|---|---|---|
| Executive visitor and guest seating | Placed in executive offices for guest seating adjacent to desks or side tables | |
| Government and institutional meeting spaces | Suited for hearing rooms, council chambers, and official meeting venues | |
| Training room permanent seating | Used in fixed training room layouts with stationary table setups | |
| Reception area formal seating | Placed in premium reception zones for high-profile visitor waiting | |
| Boardroom permanent installation | Compatible with fixed AV and table installations in dedicated boardrooms | |
| 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
| Office chair strength and stability | EN 1335:2018 Office furniture - Office work chairs - Safety requirements | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2019 Upholstered furniture - Ignitability by smouldering cigarette | |
| Surface finish durability | EN 12720:2013 Furniture - Assessment of surface resistance to cold liquids |
Standards applicable to China-market projects
| Office chair mechanical safety | GB/T 3324General technical requirements for wooden furniture | |
|---|---|---|
| Upholstered furniture durability | GB/T 10357.3Test for strength and durability of chairs and stools | |
| Formaldehyde emission limits | GB 18584Indoor decorating materials: limit of harmful substances in wooden furniture |
This product must meet the following technical requirements: 1. Office chair mechanical safety: GB/T 3324General technical requirements for wooden furniture; 2. Upholstered furniture durability: GB/T 10357.3Test for strength and durability of chairs and stools; 3. Formaldehyde emission limits: GB 18584Indoor decorating materials: limit of harmful substances in wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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