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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	4300 × 2980 × 840 mm
Overall footprint	4300 x 2980 x 840 mm
Seat height from floor	450 mm
Seat depth per module	1140 mm
Single seat width	860 mm
Short caterpillar backrest length	1710 mm
Long caterpillar backrest length	2580 mm
Backrest height above seat	390 mm
Base plinth height	40 mm
Arm-free seat edge height	450 mm
Curved layout inner arc radius	1200 mm
Seat Cushion Thickness	180 mm
Back Cushion Thickness	160 mm
Leg Height / Floor Clearance	160 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Per-seat static load capacity	150 kg
Seat foam density	45 kg/m³
Backrest foam density	35 kg/m³
Foam rebound rate	60%
Fabric abrasion resistance	30000 cycles
Seam stitch pitch	8 stitches per inch
Product net weight	220 kg
Frame joint durability	20000 load cycles
Seat Foam Density / Rebound	40 kg/m³ / 60%
Upholstery Abrasion Reference	Fabric 60000 cycles; leather-class cover 1.4 mm

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Upholstery fabric	380gsm white textured chenille
Internal frame	30mm thick kiln-dried solid pine
Seat support system	50mm wide elastic webbing, 80mm spaced
Seat cushion fill	45kg/m³ high-resilience polyurethane foam
Backrest (caterpillar) fill	35kg/m³ soft polyurethane foam wrapped in fiber
Base plinth	Black matte finish engineered wood panel
Module connectors	Zinc-plated steel interlocking clips
Bottom glides	8mm thick non-slip felt pads
Seat cushion core wrap	200gsm polyester batting
Seat cushion core	45kg/m³ high-resilience polyurethane foam, CFC-free
Backrest bolster fill	35kg/m³ soft polyurethane foam wrapped in 200gsm polyester fiber
Module interconnectors	Zinc-plated steel interlocking clips, 2 per module joint

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Modular reconfiguration	5 interlocking modules connect to form curved layouts
Backrest positioning	2 asymmetric bolster backrests sit freely on seat modules
Seating capacity	5 adult seats arranged along curved front edge
Recline suitability	Left C-module extended depth supports casual reclining
Floor clearance	2mm clearance above finished floor
Cover maintenance	Non-removable fixed upholstery covers
Load distribution	Elastic webbing base spreads weight across frame
Layout adaptability	Modules separate to fit narrow entryways
Free-position backrests	2 asymmetric caterpillar bolsters rest freely on seat surfaces without fixed mounting
Chaise recline support	Left end C-module provides extended 1140mm depth for full leg recline
Entryway delivery access	Individual modules separate to pass through 750mm wide residential doorways
Plinth stability	Low center of gravity from 40mm high base prevents tipping during reconfiguration

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count	1 set / 2 cartons
Reference Assembly Time	40 minutes per set
Reference Module Carton Dimensions	2200× 1050× 850 mm
Reference Packaging Volume	1.8 m³/item
Reference Packaged Gross Weight	110 kg/item

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Luxury residential living room	Fits open-plan large apartment and villa lounge spaces as statement seating
High-end reception area	Suitable for boutique hotel lobbies and luxury office waiting zones
Home media lounge	Curved layout supports face-to-face conversation and media viewing
Modern minimalist interiors	Matches monochrome, organic contemporary design palettes
Open loft spaces	Low profile does not block sightlines across large open floor plans
5-person gathering use	Designed for relaxed social seating for family and small guest groups
Large open-plan residential living rooms	Suits luxury apartments and villa lounges as a statement curved seating anchor
Boutique hotel reception lobbies	Provides premium casual seating for high-end hotel and shared workspace waiting areas

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 12520:2015	Domestic furniture strength/durability standard for upholstered seating
EN 1021-1:2014	Upholstery ignitability test for smouldering cigarette resistance

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3324-2017	General technical requirements for wooden furniture, applies to internal wood frame construction
GB/T 1952.1-2012	Performance test standard for upholstered sofas, applicable for domestic seating durability
GB 18401-2010	National textile safety specification, applicable for direct-contact upholstery fabric
GB/T 2912.1-2009	Formaldehyde content test for upholstery textiles, compliance recommended for acceptance

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to internal wood frame construction;
2. GB/T 1952.1-2012: Performance test standard for upholstered sofas, applicable for domestic seating durability;
3. GB 18401-2010: National textile safety specification, applicable for direct-contact upholstery fabric;
4. GB/T 2912.1-2009: Formaldehyde content test for upholstery textiles, compliance recommended for acceptance;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Curved Modular Sectional Sofa with Asymmetric Caterpillar Backrests, model CMS-CURV-4300, is an unbranded lounge seating piece defined by its soft, organic silhouette and low-profile, floor-hugging design. Its layout follows a smooth, continuous curved form, with five connected modules creating an overall footprint of 4300 x 2980 x 840 mm, anchored by a dark, low plinth base that sits just 2mm above finished floor level. Two asymmetric caterpillar bolster backrests, cut to 1710mm and 2580mm in length respectively, rest freely across the seat modules rather than being fixed to the frame, creating a relaxed, unstructured visual balance that complements contemporary design schemes. The 40mm tall matte black engineered wood plinth supports a frame built from 30mm thick kiln-dried solid pine, with zinc-plated steel interlocking clips holding individual modules securely in place. Seating surfaces are supported by 50mm wide elastic webbing spaced 80mm apart, topped with 45kg/m³ high-resilience polyurethane foam wrapped in 200gsm polyester batting, with a 450mm seat height and 1140mm seat depth per 860mm wide seat. Backrests are filled with 35kg/m³ soft polyurethane foam wrapped in fiber, rising 390mm above seat level, and the entire piece is upholstered in 380gsm white textured chenille. The base is fitted with 8mm thick non-slip felt glides, with seam stitching set to 8 stitches per inch for consistent finish durability. The sofa supports flexible modular reconfiguration, allowing users to adjust the curved arrangement to suit spatial needs, while the extended depth of the left C-module supports casual reclining alongside upright seating. It accommodates five adults along its curved front edge, creating a natural orientation that supports both face-to-face conversation and shared media viewing. The fixed, non-removable upholstery covers simplify regular surface care, while the elastic webbing system distributes weight evenly across the pine frame to support a 150kg per-seat static load capacity, paired with 60% foam rebound and fabric rated for 30000 abrasion cycles. This model is well suited for luxury residential open-plan apartments, villa lounges, and home media rooms, as well as high-end boutique hotel lobbies, luxury office waiting zones, and open loft spaces, where its low profile does not interrupt cross-space sightlines. It pairs seamlessly with monochrome and organic contemporary palettes, and is designed to host relaxed family and small guest gatherings. When procuring the unit, note that it ships in two cartons with a total packaged volume of 1.8 cubic meters and gross weight of 220kg, requiring 40 minutes of assembly on site, and plan access routes to accommodate the 2200×1050×850 mm carton dimensions prior to delivery.

Curved Modular Sectional Sofa with Asymmetric Caterpillar Backrests Specifications

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