| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 890 x 910 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat interior width | 530 mm | |
| Seat interior depth | 580 mm | |
| Backrest height | 450 mm | |
| Armrest height from floor | 650 mm | |
| Armrest height from seat | 190 mm | |
| Leg diameter at floor contact | 32 mm | |
| Floor clearance under seat | 180 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
| Assembled net weight | 34 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Seat cushion thickness | 120 mm | |
| Seat foam density | 50 kg/m³ | |
| Backrest cushion thickness | 80 mm | |
| Upholstery fabric abrasion resistance | 30000 Martindale cycles | |
| Frame static load rating | 200 kg | |
| 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
| Outer structural shell | Dark walnut-stained bent molded plywood | |
|---|---|---|
| Internal support frame | 18mm thick kiln-dried solid hardwood and plywood | |
| Seat support system | 4mm thick sinuous zig-zag springs with polypropylene webbing | |
| Cushion filling | High-density polyurethane foam wrapped with 200g polyester fiber | |
| Upholstery fabric | Mustard yellow woven polyester blend fabric | |
| Leg construction | 32mm diameter solid rubberwood with dark espresso finish, tapered splayed design | |
| Floor glides | 8mm diameter felt floor protection pads | |
| Upholstery seam pitch | 8 stitches per 30mm | |
| Backrest upholstery attachment | Fabric tensioned and secured to inner shell with hidden staples | |
| 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
| Base configuration | Stationary fixed four-leg base, no swivel, recline or rocking mechanisms | |
|---|---|---|
| Seat cushion design | Removable loose seat cushion for easy cleaning and rotation | |
| Armrest integration | Curved integrated armrests formed by the bent wood shell, padded top surface | |
| Backrest support | Winged ergonomic backrest with central recessed lumbar support detail | |
| Floor protection | Felt glides on all leg bases to reduce noise and prevent hard floor damage | |
| Assembly requirement | Leg attachment required with included hardware and hex key | |
| Weight distribution | Splayed 12-degree outward leg angle for 680mm wide stability footprint | |
| 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 as a standalone accent chair next to sofas or coffee tables for reading or relaxation | |
|---|---|---|
| Office lounge and breakout areas | Appropriate for informal meeting spaces, waiting zones, and employee relaxation areas | |
| Hotel and hospitality lobbies | Suitable for boutique hotel seating areas, guest lounges, and restaurant waiting zones | |
| Reading nook placement | Ideal for dedicated home reading corners with a side table and floor lamp | |
| Pair configuration seating | Can be deployed in matched pairs to create symmetrical conversation areas | |
| Recommended complementary furniture | Pairs with 450mm height round side tables, minimal floor lamps, and low-pile area rugs | |
| 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 12520:2015 | Furniture strength, durability and safety for domestic seating, applicable to structural performance | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability (smouldering cigarette), applicable to fabric fire safety | |
| EN 71-3:2019+A1:2021 | Safety of furniture for general use, applicable to hazardous substance migration limits |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame and shell structural integrity | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits | |
| GB/T 1952.1-2012 | Upholstered furniture sofas and chairs, applicable to seating durability and safety requirements |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame and shell structural integrity; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits; 3. GB/T 1952.1-2012: Upholstered furniture sofas and chairs, applicable to seating durability and safety requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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