Kavershoes kami sareng sapatu karét moal ngagem keras sareng janten rapuh sareng gampang rengat {{} "fenomena anu parah pisan, 3 {2} {)
Laut ka karét nyaéta Amérika Kidul, sareng India lokal nempo éta cinar tatangkalan tangkal dipotong, jalmi ". Struktur linier sapertos hiji ranté tunggal, sareng kakuatan henteu luhur {{aya} "ringing ieu henteu tahan sareng pepelakan walirang tiasa nyambungkeun dina suhu, 1} {7} {. molecules to each other, and the linear structure of the rubber molecules becomes a network structure, thereby greatly increasing the strength of the rubber. In the rubber processing, in addition to the addition of a vulcanizing agent, a coloring agent, a softening agent, a reinforcing agent, a filler, an antioxidant, and the like are added.
Panonples ngandung seueur sinar ultraviolet, sareng salian janten tiasa ngaropéa sareng ngubaran sinar sktravethet, panonpoé} Dina waktos karétna, 1 {1} ". Struktur {aya. salaku hasilna, karét kaleungitan élastastitasna sareng beungkeut aktalekular, ku kituna kaciri rusak {)
Kukituna, nalika anjeun lulus diversho sareng sapatu karét, kumbah seuneu sakedap, nempatkeun aranjeunna di rét poék sareng deform, hérimén {{} {} {} {} {} {} {} {} dolt na