Ibhokisi lemitha le-PE1 Series lenzelwe ngokukhethekile imitha yesigaba esisodwa esihlakaniphile kanye nemitha yesigaba sesithathu esihlakaniphile ngesikhathi esisodwa ne-MCB njengokuzithandela.Ibhokisi lamamitha ochungechunge lwe-PE1 lenziwe ngohlobo olusha lwepulasitiki lobunjiniyela obuvumelana nemvelo lwe-polycarbonate, elinokusebenza okuphezulu kokufakwa, ukungena komoya okuhle kanye nobufakazi bemvula.Ukumelana kwayo okuqinile ne-UV, ukuguga, imvula ene-asidi, isifutho sikasawoti sivumela ukuthi ifakwe ezindaweni ezinzima.Ngomklamo wesayensi wokulwa nokuphazanyiswa, isembozo esivaliwe singavimbela amamitha ukuthi angathintwa futhi ebiwe.