Ama-resin wokwenziwa
I-Maleic anhydride ihlangana nama-polyols (kulandelwa kuhlangana ne-styrene) ukwakha ama-unsaturated polyester resins (UPR), i-thermosetting resin. I-UPR ihlukaniswe yaba mapulasitiki aqiniswe ngefayibha (i-FRP, eyaziwa ngokuthi yiplastiki eqiniswe ngefayibha yengilazi) kanye namapulasitiki angaqiniswanga.
I-FRP isetjenziselwa ukwakhiwa (isib., amashidi ahlanganisiweko, izindlu ezenziwe ngaphambilini, amadamu, amagumbi wokugezela, amathangi wamanzi asilapheleko), ekwenzeni (isib., ngaphandle kwemikhumbi/yeenkoloyi, ukulungiswa kwangaphakathi, amabhathi, iminyango/amafasidera, amabhodi wokuvikela igezi), ubunjiniyela bamakhemikhali (isib., amathangi wokulondoloza amapayipi, ibhoduluko lemitjhini kanye nemitjhini yabathengi (isib., iintonga zokudoba, amarekhethi, amabhodi weqhwa, amaklabhu wegalofu, ama-helmet wokuphepha).
I-UPR engakaqiniswa isetjenziswa kukhonkrithi ye-polyester, iinhlanganisi, ukugcotshwa kwendawo (amapiyano, ifenitjhara), amabhathini, kanye nemabula/i-onyx yokwenziwa.
Isikhathi sokuposa: Jan-06-2026
