Polimero - ezio martuscelli
Polimero - ezio martuscelli
Polimero - ezio martuscelli
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SYMPTOMS OF POLYMER<br />
DEGRADATION<br />
¦ lowering of thermal, mechanical, optical<br />
and electrical properties;<br />
¦ viscosity reduction/increase;<br />
¦ yellowing and discoloration;<br />
¦ embrittlement;<br />
¦ tackiness;<br />
¦ loss of surface gloss;<br />
¦ surface crazing;<br />
¦ surface chalking;<br />
¦ loss of functional characteristics.<br />
¦ release of volatile products.