What is the function of polyester solid plasticizers?
dg#dbf4487c2578f57f03918c94b4faa383

dg#586be21350a143bd0b88651b2aeb47f2

dg#15c6e761462c549adacab36007407f17

dg#596c32c170695acf165a8a5bea7270f3

dg#c04f40f8eaa8b14c3ec6a08db84a6107

dg#e6692986ffbaed9672e930641309cc6a

dg#158b69178ef37d0e16ed7758f4c2e35e

dg#cf2f441dd65a55a8abad02fe21dc68e7

dg#fff9defb63ca6b5b5aba44f425a30cf3

dg#f8de788576fbfe3530af74218b8553aa

dg#60c33e6cc247956b748b91193f09ffea

dg#6f9eed1f761b685b8c2440d58860abca