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Todd The Vinyl Junkie

Introduction

On the top of this page you can find an overview of all brands that supply headphone foam.

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Information

The most general definition of foam is a substance that is formed by trapping many gas bubbles in a liquid or solid. It can also refer to anything that isanalogous to such a phenomenon, such as quantum foam. Often people mean polyurethane foam, Styrofoam or some other manufactured foam when they are using the term.

From the early 20th century, various types of specially manufactured foams came into use. The low density of these foams made them excellent as insulators andflotation devices. And their lightness and compressibility made them ideal as packing materials and stuffings. Some foams alsofound uses in extinguishing fires, especially oil fires.

Foam, in this case meaning "bubbly liquid", is also produced as an often unwanted by-product in the manufacture of various substances. For example, foam is a serious problem in the chemical industry, especially for biochemical processes. Many biological substances, for example proteins, easily create foam on agitation and/or aeration. Foam is a problem because it alters the liquid flow andblocks oxygen transfer from air (therefore preventing microbial respiration in fermentation processes). For this reason, antifoam compounds, like silicone oils, are added to preventthese problems.

Foaming around the mouth can be a symptom of rabies in animals. The term sea foam is used to describe the foam that formson top of seawater from the action of waves. In some ways, leavened bread is a foam, asthe yeast causes the bread to rise by producing tiny bubbles of gas in the dough.

Types of manfucatured foam

  • acoustic foam
  • anti-static foam
  • closed cell foam - afirm type of foam
  • Aerogel the world's lowest density solid
  • Airex foam or FloTex foam
  • Latex foam
  • polychloroprene foam
  • Neoprene
  • polyethylene foam
  • EVA foam or polyethylene vinylacetate foam
  • polyisocyanu...

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