Sourcing High Density Foam in the UK

High density foam can be either open cell foam (polyurethane) or closed cell foam (polyethylene) that have a higher weight per cubic metre of foam. This means the foam has a greater compacted cell structure, and will usually feel more rigid or firm to touch. The benefits a higher density foam will offer are greater durability, longevity and better quality.

High density closed cell foam

can generally range from 30kg/m³ to 167kg/m³ in density. The highest density foams will feel solid to touch. This foam is used across a multitude of industries because of its versatile characteristics such as weather resistance, waterproofing, lightweight, flexible and high load bearing making them ideal foam inserts for packaging solutions. This foam is easily customisable and can be reusable, long-term solutions for packaging. You will most often see this foam used in high-end presentation packaging, Peli cases, drone cases, carry cases, etc.

At Foamrite, you can find high density grades including 100kg/m³ PE100 and 60kg/m³ PE60. You may also hear open cell foam referred to as a brand called Plastazote!

High density polyurethane foams

used for upholstery, mattresses - or at the top end of the scale, in contract furniture or high load bearing technical packaging. When looking for upholstery or mattresses, a high density foam (such as our Superior Firm will not sag as quickly as lower density foams but ultimately, will be more comfortable to touch. Commonly, these foams will act as a base to a softer, more cushioning memory foam (contact our trade team for more information).

Furthermore, open cell foam can extend in density beyond 50kg/m³. Such grades are firm, but still spongey so used for specialist packaging or as thin cushioning in contract furniture. Examples include 6lb recon, 8lb recon, 12lb recon, HLB65, amongst others.

High density foam can also be manufactured with additives for specialist applications. This can include static dissipative grades (mainly for electrical material), flame retardancy, EVA material blend, amongst others.

Via Foamrite, you can search for high density closed cell (PE) and open cell foam (PU) sheets. The higher the number is given in the product code, the greater the density.

For a greater selection of product densities, trade prices or cut to size then do not hesitate to contact our trade team at Rubbarite.

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