High density foam is a very firm foam that generally makes up the bottom layer of popular memory foam mattresses. Other types of mattresses such as innerspring or hybrid may also use high density foam to support the spring systems.
High density foams generally are not used to create the entire mattress because they are just too firm. So, generally they are used as a foundation for the bed or to provide edge support.
High density foam is made of a blend of polyurethane and has a tendency to off-gas. If you are susceptible to lung issues, please do additional research on the quality of foams before purchasing.
Pros: Structural firm foam used by many mattresses to provide foundation and shape.
Cons: Off-gassing problems with lower quality foams and it is too firm to make a mattress in its entirety.
Tempur material is memory foam manufactured by Tempur-pedic. Tempur-pedic owns the original formula of memory foam developed by a NASA contract.
Tempur-pedic offers a variety of mattresses from firm to plush that use varying degrees of Tempur material along with higher density foams.
The main difference between Tempur and other types of memory foams that have been developed by competing foam manufacturers and mattress makers is the blend of substances in the memory foam.
Pros: Tempur material is the 'original' memory foam and has been refined by Tempur-pedic's scientists over the years specifically for mattresses whereas other types of memory foam may not have been as well developed.
Cons: Like other memory foams, Tempur material is a polyurethane foam blend and prone to claims of off-gassing.
Overall Score:
High Density Foam: 8.9/10
Tempur: 9.4/10
Comfort:
High Density Foam: 8/10
Tempur: 9.4/10
Softness:
High Density Foam: 7.5/10
Tempur: 9.3/10
Cooling:
High Density Foam: 8/10
Tempur: 8.8/10
Hypoallergenic:
High Density Foam: 8.1/10
Tempur: 8.1/10
Odor:
High Density Foam: 8.4/10
Tempur: 8.4/10
General Support:
High Density Foam: 8/10
Tempur: 8.8/10
Eco-Conscious:
High Density Foam: 8.5/10
Tempur: 8.5/10
Price Value:
High Density Foam: 9.4/10
Tempur: 8.8/10
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