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Sponge

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The structure of components :

Commonly used sponges are made of wood cellulose fibers or foamed plastic polymers. In addition, there are also natural sponges made of sponge animals. Most natural sponges are used for body cleaning or painting. In addition, there are three types of synthetic sponges made of other materials, namely low-density polyether (non-absorbent sponge), polyvinyl alcohol (high-absorbent material without obvious pores) and polyester; there are many types of sponges used in industrial production. Foam cotton, shaped cotton, rubber cotton, memory cotton, etc.

Functions and uses:

Protect fragile items, protect sharp objects, absorb water, and absorb sound

Characteristics  :

There are many good features. Its heat preservation, heat insulation, sound absorption and shock absorption are very good, and it also has the advantages of flame retardancy, anti-static and air permeability.


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