ʻO Hydroxypropyl Methylcellulose (HPMC) kahi cellulose ether versatile i hoʻohana nui ʻia ma nā ʻoihana like ʻole, me ke kūkulu ʻana a me nā lāʻau lapaʻau. He mea koʻikoʻi ke koho ʻana i ka papa HPMC kūpono no ka hoʻokō ʻana i ka hana maikaʻi loa i nā noi e like me nā mortars dry-mix a me nā ʻano lāʻau lapaʻau. Ke ʻimi nei kēia alakaʻi i nā mea nui e noʻonoʻo ai i ke koho ʻana i ka papa HPMC kūpono no kāu papahana, e kālele ana i nā pae viscosity, nā ʻokoʻa o ka mahana gel, a me ka ʻike methoxyl/hydroxypropyl.