Kepiye carane bisa ngerti yen plastik iku polipropilena?

Salah sawijining cara sing paling gampang kanggo nindakake tes nyala yaiku kanthi ngethok conto saka plastik lan ngobong ing lemari asap. Werna nyala, aroma lan ciri-ciri kobong bisa menehi indikasi jinis plastik: 1. Polyethylene (PE) - Tetes, mambu kaya lilin;

2.Polypropylene (PP) - Netes, mambu biasane saka lenga mesin reged lan undertones lilin;

3. Polymethylmethacrylate (PMMA, "Perspex") - Gelembung, kresek, mambu aromatik manis;

4. Poliamida utawa "Nylon" (PA) - Nyala api, mambu marigold;

5. Acrylonitrilebutadienestyrene (ABS) - Ora transparan, geni jelaga, mambu marigold;

6. Polyethylene foam (PE) - Tetes, mambu lilin