Melamine Foam VS Polyurethane Foam

CHENGDU, China - Jan. 30, 2024 - PRLog -- Melamine sponge and polyurethane foam are common cleaning, sound-absorbing, and heat-insulating materials in our lives. So what are the differences between melamine sponge and polyurethane foam in these applications?

1. Comparison of melamine foam and polyurethane foam in cleaning applications

Although melamine foam feels soft to the touch, it is actually a very hard material with a very high porosity of 99.9%. Due to its hard texture and high porosity, melamine foam has strong adsorption properties and can easily remove stains from the surface of objects. In comparison, polyurethane foam is a relatively soft material that can also clean stains, but not as effectively as melamine foam.

2. Comparison of melamine foam (https://www.sinoyqx.com/products/melamine-foam/) and polyurethane foam in sound-absorbing applications

Polyurethane foam - sound absorption coefficient

Frequency   125Hz     250Hz    500Hz     1KHz    2KHz    4KHz     NRC

Coefficient   0.13   0.60   0.81   0.97   1.00   0.90   0.85

Melamine foam - sound absorption coefficient

Frequency   125Hz    250Hz    500Hz    1KHz    2KHz    4KHz    NRC

Coefficient   0.33   0.42   0.63   1.23   1.35   1.41   0.9

As shown in the table above, both melamine foam and polyurethane foam have good sound-absorbing properties. We can see that the sound absorption effect of polyurethane foam is worse than that of melamine foam between 250-500Hz, while the sound absorption effect of polyurethane in other audio bands is not as good as that of melamine foam.

In addition, due to the flammability of polyurethane foam, polyurethane foam cannot be used for industrial sound absorption and is only suitable for indoor installation. However, melamine foam has excellent flame retardancy. Without adding any flame retardant, the flame retardant level of melamine foam can reach B1 level. Therefore, melamine foam is more widely used in sound absorption.

3. Comparison of melamine foam and polyurethane foam in thermal insulation applications

The working temperature of melamine foam can reach -200~240°C. SINOYQX melamine resin foam has a wide range of weather resistance and maintains a stable physical and chemical structure under high and low temperature conditions.

However, the high temperature resistance of polyurethane foam is average, especially the resistance to moisture and heat is poor. The normal operating temperature range of polyurethane foam is -40~120°C. Because polyurethane foam is flammable, it cannot be used for engineering insulation, fire protection, and heat insulation.

4. Compared with polyurethane foam, melamine foam is more suitable for transportation and electronic fields.

To sum up, melamine foam and polyurethane foam have their own characteristics, and you can choose the foam according to your own uses and needs. SINOYQX is a manufacturer specializing in the production of melamine foam. If you want to know more information or want to purchase melamine foam, you can contact us at any time. SINOYQX looks forward to cooperating with you.

For more information, please reach us at sales@sinoyqx.com or voice to us: +86-28-8411-1861.