Bawo ni o ṣe le sọ boya ṣiṣu jẹ polypropylene?

Ọkan ninu awọn ọna ti o rọrun julọ lati ṣe idanwo ina ni nipa gige ayẹwo kan lati ṣiṣu naa ki o si gbin rẹ sinu apoti fume.Awọn awọ ti ina, lofinda ati awọn abuda ti sisun le funni ni itọkasi iru ṣiṣu: 1. Polyethylene (PE) - Drips, run bi candlewax;

2.Polypropylene (PP) - Drips, n run julọ ti epo engine idọti ati awọn ohun-ọṣọ ti candlewax;

3. Polymethylmethacrylate (PMMA, "Perspex") - Awọn nyoju, crackles, õrùn oorun didun;

4. Polyamide tabi "Nylon" (PA) - Ina sooty, olfato ti marigolds;

5. Acrylonitrilebutadienestyrene (ABS) - Ko sihin, ina sooty, olfato ti marigolds;

6. Polyethylene foam (PE) - Drips, run ti candlewax