| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 740 x 730 x 830 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat width between armrests | 505 mm | |
| Seat depth from front edge to backrest | 520 mm | |
| Backrest height above seat surface | 420 mm | |
| Armrest height above seat surface | 230 mm | |
| Seat cushion thickness | 102 mm | |
| Front knee clearance cutout height | 240 mm | |
| Base side panel thickness | 80 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 | 20 kg | |
|---|---|---|
| Maximum static user weight capacity | 127 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 55% | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Manufacturer warranty period | 2 years | |
| 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 fabric | 100% polyester velvet, 290gsm weight | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam with fibre wrap | |
| Backrest padding | High-resilience polyurethane foam, 80mm thickness | |
| Internal support frame | 1.5mm thick tubular steel frame | |
| Integrated arm/base side panels | Plywood substrate wrapped in foam and velvet | |
| Seam stitching | Polyester bonded thread, 8mm stitch pitch | |
| Floor contact base pads | 3mm thick non-slip felt pads | |
| Fabric finish | Matte short-pile velvet, no additional surface coating | |
| 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
| Seating configuration | Single-person fixed upright seating with no recline or swivel | |
|---|---|---|
| Armrest design | Integrated curved wide armrests extending down to form floor supports | |
| Base structure | U-shaped monolithic upholstered base with front cutout for knee clearance | |
| Assembly requirement | Fully assembled out of packaging, no attachment of separate parts required | |
| Floor protection | Felt base pads prevent scratching hard floor surfaces during repositioning | |
| Cleaning method | Surface light vacuuming and spot cleaning with dry fabric cloth | |
| 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 placement | Position as standalone accent seating next to sofas or side tables | |
|---|---|---|
| Dining space supplementary seating | Use as head-of-table dining armchair with compatible 750mm table height | |
| Office reception and waiting areas | Deploy in lounge zones for visitor seating with soft comfort and modern aesthetic | |
| Bedroom vanity or reading nook use | Place adjacent to dressers or bookcases for compact upright seating | |
| Hotel and hospitality common areas | Install in lobbies or guest room corners for stylish guest seating | |
| 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 16139:2013 | Applicable standard for non-domestic seating strength, stability, durability | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture flammability standard for cigarette ignition resistance |
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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