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SOF-3S-MTL-PUR01

Code：6P70KPV1
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Three-Seat Minimalist Metal Frame Upholstered Lounge Sofa Key Specifications 2026-08-01 12:47

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SOF-3S-MTL-PUR01

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions1850 x 700 x 780 mm
Seat height450 mm
Seat depth per position580 mm
Backrest height above seat360 mm
Armrest height above seat220 mm
Armrest width (horizontal rail)30 mm
Leg cross-section width40 mm
Seat cushion thickness80 mm
Back cushion thickness60 mm
Intermediate support leg position620 mm from front left leg
Open gap between back cushion segments120 mm
Floor clearance under frame370 mm
Leg Height / Floor Clearance160 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Net weight38 kg
Total static load capacity360 kg
Cushion compression set resistance40000 cycles
Frame welded joint static load600 kg
Recommended number of users3
Seat cushion foam density40 kg/m³
Back cushion foam density30 kg/m³
Frame powder coating abrasion resistance1000 cycles
Net product weight38 kg
Cushion compression set durability40000 cycles
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Structural frame (legs, rails, armrests)1.5mm thick mild steel with bronze powder-coated finish
Seat support brackets (back to frame)1.2mm thick folded steel brackets, welded to seat and back frame
Seat cushion coreHigh-resilience polyurethane foam, wrapped in polyester batting
Back cushion coreMedium-firm polyurethane foam, matching seat upholstery
Upholstery fabricPU-coated faux leather, matte purple finish
Leg floor glidesInjection-molded black nylon non-marking glides
Seat and back cushion bases9mm thick plywood reinforcement panels, affixed to steel frame with screws
Seam stitchingPolyester core spun thread, 8 stitches per inch
Intermediate support legSame tubular steel as corner legs, welded to front and rear seat rails
Frame joint constructionFully welded joints at all leg/rail/armrest intersections, ground smooth before coating
Back cushion support brackets1.2mm thick folded steel brackets, fully welded to seat rails and back cushion mounting points
Upholstery facing material0.8mm thick PU-coated faux leather, matte purple finish
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Fixed position seatingThree individual segmented seat and back positions prevent cross-user contact in public waiting settings
Open back ventilation gaps120mm rectangular openings between each back support allow air circulation for extended sitting
Integrated fixed armrestsTubular metal armrests run full depth of seat at both ends, providing stable forearm support without adjustment
Elevated floor clearance370mm open space under seat allows access for standard vacuum cleaners and cleaning equipment under the entire seat
Non-marking floor glidesNylon glides at all four leg bottoms eliminate scuffing on hard flooring and reduce sliding noise
Fixed seat angle5 degree rearward seat tilt promotes upright supported posture for short to medium waiting periods
Modular alignment compatibilitySquare finished end profile allows multiple sofa units to be connected end-to-end for longer waiting row configurations
Stain-resistant upholstery surfaceSmooth PU faux leather surface allows wipe cleaning of spills and disinfection for high-traffic public use
Fixed segmented seatingThree individual divided seat and back positions maintain personal space between users in public waiting settings; welded fixed frame has no moving parts for tamper resistance
Integrated fixed end armrestsTubular metal armrests run the full depth of the seat at both ends, providing stable forearm support without adjustment; visible continuous metal rails connecting front and rear legs at seat top height
Elevated under-seat clearance370mm open space under the seat rail allows access for standard commercial vacuum cleaners and cleaning equipment under the entire seat footprint; visible open gap between floor and bottom of seat frame
Non-marking floor protectionNylon glides fitted to all five leg bottoms eliminate scuffing on hard flooring and reduce sliding noise during repositioning; visible black pads at all leg floor contact points
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Shipping carton count1
Shipping carton dimensions1900 x 750 x 450 mm
Gross shipping weight43 kg
Shipping volume per unit0.64 CBM
Assembly time15 minutes
40ft HQ container loading quantity84 units
Inner packaging materialsPE wrap for metal frame, foam corner protectors, plastic bags for loose glide hardware
Shipping carton external dimensions1900 x 750 x 450 mm
Gross shipping weight per unit43 kg
On-site assembly time15 minutes
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Office reception and waiting areasNeutral frame color and bold purple upholstery works for modern office lobbies, with durable construction for daily visitor traffic
Healthcare clinic waiting roomsWipe-clean upholstery and elevated floor clearance supports regular disinfection and cleaning for clinical environments
Airport and transit station waiting zonesHigh load capacity and durable metal frame withstands continuous public use, segmented seats provide defined personal space
Co-working space breakout areasMinimalist silhouette complements modern open office design, comfortable for short meetings and informal work breaks
Educational institution common areasRobust construction resists heavy use by students, open back gaps reduce clutter and trapped debris
Retail store lounge zonesBold purple upholstery can align with brand color schemes, compact depth does not obstruct customer circulation paths
Corporate office reception and waiting areasBronze frame and bold purple upholstery complements modern office lobby design, with heavy-duty construction to withstand daily visitor traffic; meets commercial contract seating durability requirements
Airport and public transit station waiting zonesHigh static load capacity and tamper-resistant welded metal frame withstand continuous unsupervised public use, segmented seats define clear personal space for passengers; fixed non-moving parts reduce vandalism risk
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 16139:2013 Furniture - Seating for non-domestic use - Requirements for strength, durability and stabilityApplies to public waiting and lounge seating strength, stability and cyclic durability requirements for non-residential installation
EN 1022:2018 Furniture - Seating - Determination of stabilityApplies to overturn resistance testing for freestanding multi-seat seating units
EN 14465:2003 Upholstery fabrics - Specification for minimum performance requirementsApplies to upholstery fabric abrasion, colorfastness and pilling resistance for commercial use
EN 12520:2015 Furniture - Strength, durability and safety - Requirements for domestic seatingProvides supplementary reference for basic seating safety if units are specified for low-traffic residential lounge use
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.4-2021 Lounge and Public SeatingApplies to static load, fatigue, stability and durability requirements for commercial lounge and public waiting seating
ANSI/BIFMA X5.1-2017 General Purpose Office Chairs - TestsProvides reference test methods for seat and back load performance applicable to multi-seat waiting units
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 3324-2017 General technical requirements for furniture: metal furnitureApplies to structural strength, dimensional tolerance and finish durability requirements for indoor metal frame seating used in public spaces
GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furnitureApplies to emission limits for any plywood components used in cushion bases, for indoor air quality compliance
GB/T 10357.1-2013 Test of mechanical properties of furniture - Strength and durability of seatingApplies to static load, impact and fatigue testing for contract grade public seating
GB 20400-2006 Leather and fur - Limit of harmful matterApplies to harmful substance limits if genuine leather upholstery is specified, provides acceptance criteria for upholstery materials
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 3324-2017 General technical requirements for furniture: metal furniture: Applies to structural strength, dimensional tolerance and finish durability requirements for indoor metal frame seating used in public spaces;
2. GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture: Applies to emission limits for any plywood components used in cushion bases, for indoor air quality compliance;
3. GB/T 10357.1-2013 Test of mechanical properties of furniture - Strength and durability of seating: Applies to static load, impact and fatigue testing for contract grade public seating;
4. GB 20400-2006 Leather and fur - Limit of harmful matter: Applies to harmful substance limits if genuine leather upholstery is specified, provides acceptance criteria for upholstery materials;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Overview & Construction Details

This three-seat minimalist lounge sofa features a sleek, angular silhouette defined by a continuous bronze-tone metal frame that forms integrated end armrests, corner and intermediate support legs, and upper rls. Three distinct matte purple upholstered seat and back cushion segments sit within the frame, separated by strght, evenly stitched seams, with rectangular open gaps between back cushions that add visual lightness and support r circulation. The open space beneath the seat frame creates a streamlined, uncluttered profile suitable for a range of design schemes. The structural frame is built from mild steel with fully welded, smooth-ground joints finished in abrasion-resistant bronze powder coating, with no exposed exterior fasteners for a clean look and tamper resistance. Separate folded steel brackets secure each back cushion to the seat frame, while plywood reinforcement panels under cushions provide stable mounting. Seat cushions use high-resilience polyurethane foam wrapped in polyester batting, pred with medium-firm back cushion foam, all upholstered in smooth, matte purple PU-coated faux leather. Non-marking black nylon glides fitted to each leg protect hard flooring surfaces and reduce movement noise. Designed for fixed-position use, the sofa offers three clearly defined seating positions to mntn personal space between users, with a gentle fixed rearward seat tilt that supports upright, comfortable posture for short to medium stays. Integrated full-depth metal armrests provide stable forearm support, and the elevated under-seat gap allows full access for standard commercial cleaning equipment to simplify routine mntenance. The non-porous upholstery surface wipes clean easily and supports regular disinfection, while the welded fixed frame has no moving parts to resist tampering. The flat, square end profile of the frame allows multiple units to be aligned end-to-end to create extended continuous seating rows as needed. This sofa is well suited for high-traffic commercial spaces including modern office reception and wting areas, healthcare clinic wting rooms, rport and public transit wting zones, co-working space breakout areas, educational institution common areas, and retl store lounge zones. Its bold purple upholstery can complement targeted brand color palettes, while its compact depth avoids obstructing pedestrian circulation paths in narrow layouts. When procuring this model, note that the frame ships fully welded in a single oversize carton with cushions packed inside the frame cavity, requiring only minimal on-site installation of leg glides and cushion placement with no complex frame assembly needed. Buyers should confirm exact upholstery fabric grade and full material specifications directly with suppliers prior to order placement, as surface material and structural components may require alignment with project-specific durability or mntenance requirements. The unit’s shipping configuration allows for efficient loading in standard freight contners for large-volume orders.

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