I-propyl methyl cellulose (i-HPMC ngokufushane) ingumkhiqizo wamakhemikhali omuhle wobuchwepheshe obuphezulu ngokushoda eChina, futhi ingenye yezinhlobonhlobo ezisebenza kakhulu futhi ezenza kahle kakhulu ze-cellulose. Ngenxa yokuqina kwayo okuhle kakhulu, i-emulsification, ukuvikelwa kwe-colloid kanye nezakhiwo zokugcina umswakama, isetshenziselwa ukumbozwa, i-polymerisation, izinto zokwakha, ukubhola kukawoyela nokukhishwa, izindwangu, ukudla, imithi, ubumba, amadivayisi kagesi kanye nembewu yezolimo. Emazweni athuthukile, i-HPMC isetshenziswa kabanzi emikhakheni ehlukahlukene yezimboni kanye nempilo yansuku zonke, futhi isibe isisizi samakhemikhali esibalulekile, eyaziwa njenge- "MSG yezimboni"