Melamine foam vs. polyvinyl chloride foam for cushions - What is The Difference?

Last Updated May 21, 2025

Melamine foam offers superior sound absorption, fire resistance, and lightweight cushioning compared to Polyvinyl chloride (PVC) foam, which excels in durability and water resistance but tends to be heavier and less breathable. Choosing Melamine foam enhances comfort and safety in cushioning applications, while PVC foam is preferred for impact resistance and longevity in moisture-prone environments.

Table of Comparison

Feature Melamine Foam Polyvinyl Chloride (PVC) Foam
Material Type Melamine resin-based open-cell foam Vinyl polymer closed-cell foam
Density Low density (8-15 kg/m3) Medium to high density (30-300 kg/m3)
Compression Resistance Low to moderate High, provides better support
Comfort Level Firm but less supportive Soft to firm, highly supportive
Durability Moderate, prone to degradation under stress High, resistant to wear and tear
Water Resistance Poor, absorbs moisture Excellent, waterproof and moisture resistant
Fire Retardancy Flammable, limited fire resistance Often fire retardant with additives
Common Uses in Cushioning Sound absorption, lightweight padding Seat cushions, mattresses, structural padding
Cost Moderate Varies, generally higher

Introduction to Cushion Foam Materials

Melamine foam and polyvinyl chloride (PVC) foam are widely used cushion foam materials known for their distinct properties and applications. Melamine foam offers excellent sound absorption, thermal insulation, and is lightweight with a unique open-cell structure, making it ideal for noise reduction and comfort. PVC foam features high durability, water resistance, and strong cushioning capabilities, suited for heavy-use environments and outdoor applications.

What is Melamine Foam?

Melamine foam is an open-cell foam made from melamine resin, known for its lightweight, abrasive, and sound-absorbing properties, making it ideal for cushioning applications requiring high durability and fire resistance. Polyvinyl chloride (PVC) foam, by contrast, offers greater flexibility and water resistance but lacks the same thermal stability and acoustic benefits. Melamine foam cushions excel in environments demanding flame retardancy and noise reduction, while PVC foam cushions suit those prioritizing flexibility and moisture resistance.

What is Polyvinyl Chloride (PVC) Foam?

Polyvinyl chloride (PVC) foam is a lightweight, closed-cell material widely used in cushioning applications for its durability, water resistance, and excellent impact absorption properties. Its inherent chemical stability and resistance to moisture and chemicals make PVC foam an ideal choice for cushions in marine, automotive, and outdoor furniture. Unlike melamine foam, which offers superior thermal insulation and sound absorption, PVC foam excels in structural support and longevity under harsh environmental conditions.

Comparison of Physical Properties

Melamine foam offers superior sound absorption and excellent thermal insulation due to its open-cell structure, while polyvinyl chloride (PVC) foam provides greater density and durability, making it more resistant to moisture and chemicals. Melamine foam is lightweight with low compression set, ideal for cushioning that requires impact absorption and breathability, whereas PVC foam exhibits higher tensile strength and better shape retention under heavy loads. In applications where fire resistance is critical, melamine foam outperforms PVC foam due to its inherently self-extinguishing properties and low smoke emission.

Comfort and Cushioning Performance

Melamine foam offers superior cushioning performance with its open-cell structure that provides excellent pressure distribution and comfort, making it ideal for ergonomic cushions. Polyvinyl chloride (PVC) foam, while more durable and resistant to wear, tends to have a firmer feel that may compromise softness and comfort in cushioning applications. Melamine foam's lightweight and high resilience enhance comfort by adapting easily to body contours, whereas PVC foam's denser composition delivers more support but less conforming flexibility.

Durability and Longevity

Melamine foam offers moderate durability with excellent sound absorption but tends to degrade faster under prolonged mechanical stress compared to polyvinyl chloride (PVC) foam. PVC foam provides superior longevity due to its robust chemical resistance and higher resilience to wear and tear, making it ideal for long-term cushioning applications. The inherent closed-cell structure of PVC foam enhances its durability by resisting moisture and physical deformation better than the more brittle melamine foam.

Fire Resistance and Safety

Melamine foam exhibits superior fire resistance compared to polyvinyl chloride (PVC) foam, offering low flammability and self-extinguishing properties that enhance safety in cushion applications. PVC foam tends to release toxic fumes such as hydrogen chloride when exposed to fire, posing health risks and requiring additional fire retardants. The inherent fire-resistant qualities of melamine foam make it a safer, more reliable choice for cushioning materials in environments with stringent fire safety regulations.

Environmental Impact and Sustainability

Melamine foam, known for its lightweight and open-cell structure, offers superior biodegradability and lower environmental toxicity compared to Polyvinyl chloride (PVC) foam, which contains chlorine and releases harmful dioxins during production and disposal. PVC foam exhibits higher durability but poses significant challenges in recycling and contributes to long-lasting environmental pollution due to its non-biodegradable nature. Choosing melamine foam for cushion applications supports sustainability goals by reducing hazardous chemical exposure and facilitating easier end-of-life waste management.

Cost Considerations

Melamine foam typically costs more than polyurethane-based foams but offers superior sound absorption and fire resistance, impacting overall cushioning expense. Polyvinyl chloride (PVC) foam is generally more budget-friendly and provides durability with good resistance to moisture and chemicals, making it attractive for cost-conscious cushioning applications. Choosing between melamine and PVC foam depends on balancing initial material costs with long-term performance requirements and maintenance considerations.

Choosing the Right Foam for Your Cushion Needs

Melamine foam offers superior sound absorption and a lightweight, open-cell structure ideal for cushions requiring breathability and noise reduction, while Polyvinyl chloride (PVC) foam provides greater durability, water resistance, and cushioning support suitable for outdoor or heavy-use applications. PVC foam's dense composition enhances impact absorption and longevity, making it a preferred choice for cushions exposed to moisture or frequent wear. Selecting between melamine and PVC foam depends on specific needs such as comfort, environmental exposure, and durability requirements.

Melamine foam vs. polyvinyl chloride foam for cushions - What is The Difference?

Infographic: Melamine foam vs Polyvinyl chloride foam for Cushion



About the author. Kakani is a respected author and expert in materials for industrial and manufacturing applications. With years of experience in both research and industry.

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