Before we show you how we make a cold cured (HR) foam chair, some of you may have a question in mind that what is “Cold Cured (HR) Foam”?
Cold cured foam is a type of polyurethane foam, and HR stands for high resilience. In fact, cold cure is a process that we use to get the foam molding, after chemical mixed liquid are injected into a mold. The mixed liquid will expand in the mold and gradually become rigid. With this cold cured process, the foam cells are more closed and compact, which results in a high density, good resilience and durable molded foam. The density of cold cured foam is up to 65kg/m³, compare to conventional block foam 25-40 kg/m³.
Since you have a concept about the cold cured (HR) foam, it would be much easier for us to show you how we make a cold cured high resilience foam chair.
For each chair, we need to build a mold according to the chair body shape. We stock more than one hundred chair molds for our mold foam chair models.
Meanwhile we need to ensure the chair can support heavy weight, a strong frame must be considered when we design the chair. Unlike other manufacturers, we choose to use solid steel frame rather than metal pipe frame or plywood frame, in order to provide strong support and long lifespan for our cold cured (HR) foam chair.
From the following 3D renderings, we can easily observe the internal structure of our cold cured (HR) foam chair.
Cold Cured (HR) Foam Chair Production Process
- Weld a solid steel frame (includes cutting, bending, drilling, welding and polishing)
- Cast a mold foam chair body (includes Injection molding and polishing)
- Upholstering (includes cover sewing and upholstering)
- Assembling and QA
Major Benefits of Cold Cured (HR) Foam Chair
1. Superior Comfort & Ergonomics
- Molded foam adapts to body contours, providing tailored support and pressure relief, which reduces fatigue during prolonged sitting.
- Its high density (up to 65kg/m³) ensures better resilience and longevity compared to conventional block foam (25-40kg/m³).
2. Durability & Shape Retention
- Resists deformation over time due to cold curing process.
- Maintains structural integrity longer than conventional block foam.
3. Design Flexibility
- Can be precision-molded into complex ergonomic shapes for optimal aesthetics and functionality.
- Paired with steel frames (e.g., Guoshen Furniture’s designs) for enhanced stability and durability.
4. Economic Value Longer lifespan offsets higher initial cost compared to conventional block foam.
