When searching for the type of foam you want for your application, you will first have to learn about the different types. Polyurethane foam has a myriad of different used from furniture blocks to toys and filters. Polyurethane is usually abbreviated to the letters PU, and can generally be split into two sections which are polyether and polyester. Polyether has numerous properties that differentiate it from polyether, namely that it has a higher tear strength, is oil, hydrolysis, fungicide, biocide and abrasion resistant and has good thermal stability. This type of foam is generally the best choice when you require something that is resistant to moisture, is soft and comfortable.

Polyester on the other hand is more of a stiff foam and is best deployed when you need something that is strong and hydrophilic. It also has UV, light, temperature, hydrophilic, thermal oxidation, age and solvent resistance not to mention the fact that it can be welded.

Foam suppliers sell all types of foam with a multitude of uses. Polyester foam is great as air and dust filter as well as being able to reduce noise for acoustic and audio applications. Polyether foams are great for packaging because they offer such durability in terms of abrasion and hydrolysis. They are also great as water filters for both industrial and domestic applications.

Ideally you would like your foam suppliers to be able to deliver whatever order you place with them, and in terms of polyurethane, this means being able to deliver the correct type of foam grade to meat your desires. The ability to engineer foam to exact specifications is vital, and all of the information you need regarding the order should be delivered to ensure that you get the right type of polyurethane foam that lives up to both your demands and your budget.
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