Jul. 14, 2025
Chemicals
High resiliency (HR) foams are used across multiple applications in many industries, most commonly in foam cushioning applications like mattresses, furniture, seating, etc. The material is a common substitute for traditionally used open-cell foams (e.g., “memory foam”), but it can also be used in conjunction with these types of foams, creating a hybrid foam that is useful in many products.
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What is high resiliency foam made from? What are the pros and cons of using it? Find out more about the material and its applications.
High resiliency foam is a type of open-cell foam that is made from a blend of polyurethanes. It weighs around 2.5 lbs. per cubic foot and has an average density between 2.5 and 2.8. This makes the material durable, supportive, and comfortable when used in cushioning applications.
High resiliency foams, like many open-cell foams, retain their shape well when put under pressure, allowing them to return to bounce back to their normal shape when the pressure is removed.
While high density foams and high resiliency foams are used in similar applications, particularly cushioning and mattresses, they are different types of foam with different strengths. High density foams range from extra soft to very firm. They are much more dense than high resiliency foams, which are softer and have more of a bounce, which means they can be used to support greater weights. High density foams will not compress as well as high resiliency foams, and they are often combined with lower density foams to achieve the right level of support, firmness, and comfort in their products.
Like many foams of this type, high resiliency foams have a tendency to off-gas, so caution should be used when using them with products that can absorb odors, especially if the foam is being used for packaging, shipping, and storage purposes. High resiliency foams also do not hold an extensive amount of weight. Although they are viscoelastic and retain their shape well, they should not be used to store or transport heavy and bulky items unless they are combined with denser, closed-cell foam packaging.
When it comes to versatile and widely used materials in various industries, polyurethane foam stands out as a prominent contender. This blog will take you on a journey through the world of polyurethane foam, exploring its unique characteristics, applications, and discussing the advantages and potential drawbacks associated with its use.
Polyurethane foam is a type of synthetic foam that is created by combining polyols (a type of alcohol) with diisocyanates (chemical compounds). This chemical reaction results in the formation of a foam material that can vary in density, firmness, and resilience, making it suitable for a wide range of applications.
The primary appeal of polyurethane foam lies in its versatility and cost-effectiveness. It can be found in various forms, including flexible foam (used in mattresses, cushions, and upholstery), rigid foam (used in insulation and structural applications), and spray foam (used for insulation and sealing purposes).
Polyurethane foam, especially in its flexible form, is well-regarded for its comfort and support. It can provide a cushioning effect, conforming to the body's shape and relieving pressure points.
Polyurethane foam's wide range of densities and firmness levels make it suitable for a diverse array of applications, from soft bedding materials to rigid construction components.
Polyurethane foam is known for its durability and ability to maintain its shape over time, ensuring long-lasting performance for various products.
Rigid polyurethane foam is an excellent insulator, providing thermal resistance in buildings and refrigeration systems, which can help improve energy efficiency.
Newly manufactured polyurethane foam products may release volatile organic compounds (VOCs) and chemical odors, known as off-gassing. While this is typically temporary, it can be a concern for some individuals sensitive to odors.
Polyurethane foam, especially in its flexible form, can retain heat. This may cause discomfort for hot sleepers or in warm climates, although advancements have been made in developing foams with better breathability.
The production and disposal of polyurethane foam can have environmental impacts due to the use of chemicals and the non-biodegradable nature of some foams. However, efforts are being made to develop more eco-friendly alternatives.
Polyurethane foam comes in various firmness levels, and some individuals may find certain formulations to be too firm or too soft for their preferences.
Polyurethane foam's versatility, comfort, and durability make it a popular choice for a wide range of applications. However, potential concerns such as off-gassing, heat retention, environmental impact, and firmness should also be considered.
When choosing polyurethane foam products, ensure to research and read customer reviews to find the right fit for your specific needs. As with any material, understanding the pros and cons can help you make an informed decision and find the best product for your comfort and satisfaction.
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Tempur
Memory Foam
Open Coil
Pocket Spring
Latex
Coil Spring
Innerspring
Bonnell Spring
Coir
Foam
Gel
Orthopedic
Reflex Foam
Hybrid
Pillow Top
Egg Crate Foam
Visco Elastic Foam
High Resilience Foam
High Density Foam
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