| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 740 x 860 x 840 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width between armrests | 550 mm | |
| Seat depth front to back | 550 mm | |
| Backrest height above seat | 440 mm | |
| Armrest height above seat | 200 mm | |
| Metal leg height | 250 mm | |
| Seat cushion thickness | 120 mm | |
| Back cushion thickness | 150 mm | |
| Arm cushion 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
| Recommended static load capacity | 136 kg | |
|---|---|---|
| Assembled net weight | 25 kg | |
| Seat foam density | 32 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Fabric upholstery abrasion resistance | 30000 Martindale cycles | |
| Leg static load per leg | 68 kg | |
| Floor glide compression capacity | 50 kg per glide | |
| 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 shell frame | Two-tone brown molded composite panel with smooth matte finish | |
|---|---|---|
| Inner support frame | 18 mm thick plywood structural frame with reinforced joints | |
| Cushion upholstery | 320 g/m² light neutral woven polyester fabric with piped edge stitching | |
| Seat cushion core | 120 mm thick high-density polyurethane foam wrapped with 20 mm soft fiber batting | |
| Back cushion core | 150 mm thick shredded foam and fiber fill for soft contour support | |
| Support legs | 1.2 mm thick matte black powder-coated tapered steel tubes, splayed outward for stability | |
| Leg foot glides | Injection-molded black nylon glides with felt pads to protect hard floor surfaces | |
| Seat support base | 4 mm thick sinuous spring suspension under seat cushion to reduce foam sag | |
| Stitching specification | 8 stitches per inch matching piped edge finish on all cushion seams | |
| 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
| Seating posture support | 110-degree fixed reclined back angle optimized for relaxed casual seating | |
|---|---|---|
| Cushion installation | Loose back cushion secured with hidden hook-and-loop fasteners to prevent sliding | |
| Floor protection | Non-marking felt glides on all leg bases eliminate hard floor scratches | |
| Structural stability | Splayed four-leg configuration with 620 mm leg spread provides anti-tip stability | |
| Assembly requirement | Knock-down leg attachment with threaded inserts requires simple tool-free screw installation | |
| Cleaning access | Fixed seat and arm cushions allow surface spot cleaning; removable back cushion for easy maintenance | |
| Arm support design | Integrated wrap-around armrests combine rigid shell edge with padded top cushion for full forearm support | |
| 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 | Position as standalone accent seating next to sofas or coffee tables for guest use | |
|---|---|---|
| Office reception lounge | Use in lobby and waiting areas to create modern, comfortable visitor seating | |
| Hotel guest room seating | Place near windows or desks in premium rooms for relaxed leisure seating | |
| Open-plan breakout space | Deploy in office collaboration zones for informal small-group discussion areas | |
| Luxury retail lounge | Install in high-end boutiques and showrooms to provide premium customer resting space | |
| Modern study space | Pair with a side table for dedicated reading and relaxation corner 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 12520:2015 | Domestic furniture seating strength, durability and safety performance criteria | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance test for smouldering cigarette source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating performance and durability test standard for commercial-grade applications | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office chairs reference for static load and structural stability validation |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable for wooden furniture frame structural safety | |
|---|---|---|
| GB 18584-2001 | Formaldehyde emission limit applicable for composite shell and internal wood components | |
| GB/T 19801-2005 | Furniture structural strength test methods applicable for seating stability verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable for wooden furniture frame structural safety; 2. GB 18584-2001: Formaldehyde emission limit applicable for composite shell and internal wood components; 3. GB/T 19801-2005: Furniture structural strength test methods applicable for seating stability verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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