He copolymer hopena polypropylene ʻo EP548R me ke kaulike i hoʻonui ʻia o ka paʻakikī a me nā waiwai hopena, nā waiwai kahe maikaʻi a me ke kūpaʻa hopena maikaʻi. Hoʻokō ʻo EP548R me nā lula pili e pili ana i ka hoʻopili pololei ʻana i ka meaʻai GB 4806.6-2016, GB9685-2016 FDA 21 CFR177.1520(a)(3)(i) a me (c)3.1a