Nta:

1.With ceev faj compounding, muaj zoo tensile zog.

2. tsis txhob permeability pa thiab lwm yam gases.

3.Txhais kev tiv thaiv zoo rau ozone, oxidation thiab hnub ci.

4.Txhais kub zoo tshaj plaws ntawm -45 ° C txog + 130 ° C rau cov tebchaw ib txwm thiab zoo tshaj nrog

kev tsim tshwj xeeb.

5. tsis tu, zoo tagnrho rau kev co damping thiab poob siab haum daim ntaub ntawv.

6.Moderate tsis kam mus rau abrasion thiab compression teeb.

7.Highly tiv taus cov ntxhia acids, alkalines thiab aqueous acids.