| http://www.w3.org/ns/prov#value | - In addition to the above components, the extrusion mixture can contain other water soluble polymers such as polyvinyl alcohol, polyethylene oxide, guar gum, cellulose ether derivatives which normally do not gel such as hydroxybutylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, ethylhydroxy ethylcellulose, sodium carboxy methylcellulose, etc.
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