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2. List of polyurethane applications - Wikipedia

   en.wikipedia.org/wiki/List_of_polyurethane...

   Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...

3. Polyurethane foam - Wikipedia

   en.wikipedia.org/wiki/Polyurethane_foam

   The flexible polyurethane foam (FPUF) is produced from the reaction of polyols and isocyanates, a process pioneered in 1937. [7] Depending on the application the foam will be used for, a series of additives are necessary to produce high-quality PU foam products. FPUF is a versatile material that can be tailored to exhibit different properties.

4. Foam - Wikipedia

   en.wikipedia.org/wiki/Foam

   Integral skin foam, also known as self-skin foam, is a type of foam with a high-density skin and a low-density core. It can be formed in an open-mold process or a closed-mold process. In the open-mold process, two reactive components are mixed and poured into an open mold.

5. I Tested 5 Foam Rollers And Found The Holy Grail

   www.aol.com/6-best-foam-rollers-2024-153900034.html

   The Amazon Basics High-Density Round Foam Roller is the ultimate steal for just under $12. The lightweight foam is surprisingly firm, but squishy enough to soothe muscle tension gently.

6. Spray foam - Wikipedia

   en.wikipedia.org/wiki/Spray_foam

   Spray polyurethane foam (SPF) insulation can be categorized into two different types: light-density open-cell spray foam insulation and medium-density closed-cell spray foam insulation. Both types of SPF are thermoset cellular plastics comprising millions of small cells. [8] Open cell spray polyurethane foam insulation being applied in wall ...

7. Polyurethane - Wikipedia

   en.wikipedia.org/wiki/Polyurethane

   Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.