Malinga ndi magwero a zinthu zopangira mapulasitiki ovunda, pali mitundu iwiri ya Mapulasitiki Ovunda: Ochokera ku Bio ndi ochokera ku petrochemical. PBAT ndi mtundu wa mapulasitiki ovunda ochokera ku petrochemical.
Kuchokera ku zotsatira za kuyesa kwa biodegradation, PBAT ikhoza kuwonongeka kwathunthu pansi pa nyengo yabwinobwino ndikukwiriridwa m'nthaka kwa miyezi 5.
Ngati PBAT ili m'madzi a m'nyanja, tizilombo toyambitsa matenda tomwe timazolowera kukhala ndi mchere wambiri timapezeka m'madzi a m'nyanja. Pamene kutentha kuli 25 ℃ ± 3 ℃, imatha kuwonongeka kwathunthu mkati mwa masiku pafupifupi 30-60.
Mapulasitiki osinthika a PBAT amatha kuwola pansi pa mikhalidwe yopangira manyowa, mikhalidwe ina monga chipangizo chogayira madzi chopanda mpweya, komanso malo achilengedwe monga nthaka ndi madzi a m'nyanja.
Komabe, mkhalidwe weniweni wa kuwonongeka ndi nthawi ya kuwonongeka kwa PBAT zimagwirizana ndi kapangidwe kake ka mankhwala, njira yopangira zinthu, ndi momwe chilengedwe chimawonongekera.