Plastik polipropilen ekanligini qanday aniqlash mumkin?

Olov sinovini o'tkazishning eng oddiy usullaridan biri bu plastmassadan namunani kesib olish va uni tutun shkafida yoqishdir. Olov rangi, hidi va yonish xususiyatlari plastmassa turini ko'rsatishi mumkin: 1. Polietilen (PE) – Tomchilab oqadi, sham mumi kabi hidlanadi;

2. Polipropilen (PP) – Tomchilab oqadi, asosan iflos dvigatel moyi hidi va sham mumining hidi keladi;

3. Polimetilmetakrilat (PMMA, “Perspex”) – Pufakchalar, yorilishlar, yoqimli aromatik hid;

4. Poliamid yoki “Neylon” (PA) – Kuyik olov, barg barglari hidi;

5. Akrilonitrilbutadienistren (ABS) – Shaffof emas, kuyik olovi, kalendula hidi keladi;

6. Polietilen ko'pik (PE) – Tomchilar, sham mumi hidi