Customizable Pocket Coil Spring for Sofa Cushion Sofa Spring Manufacturer

           Customizable Pocket Coil Spring for Sofa Cushion Sofa Spring Manufacturer

                                                                  Products Description

Key Specifications to Confirm with Suppliers:

• Spring Type:

  • Marshall Coils (hourglass-shaped, most common for sofas)

  • Barrel/Nested Springs (for firmer support)

  • Zoned Support (variable firmness, e.g., lumbar reinforcement)

• Materials:

  • Wire Gauge: 2.0mm–2.5mm (thicker = firmer; 2.2mm is standard).

  • Fabric Casing: Non-woven (standard), polyester, or fire-retardant fabric.

• Dimensions:

  • Height: 80mm–150mm (match cushion thickness).

  • Diameter: 50mm–80mm per coil.

  • Coil Count: 150–500 springs/m² (higher = more support).

• Custom Features:

  • Color-coded casings (for zoned support).

  • Pre-attached foam/fiber layers (for modular cushions).

• Certifications: CertiPUR, OEKO-TEX, or CAL 117 (fire safety).