HPMC siv kuv phab ntsa putty yog dab tsi?

HPMC (Hydroxypropyl Methylcellulose) yog cov dej-soluble polymer siv los ua ib qho ntxiv rau hauv phab ntsa putty. Nws yog siv los txhim kho lub cev thiab tshuaj lom neeg cov khoom ntawm putty, xws li nws cov dej tuav, adhesion, thiab workability. Nws kuj yuav pab txo kom txhob tawg thiab shrinkage, thiab txhim kho lub durability thiab tiav ntawm putty. HPMC yog ib qho cellulose-raws li polymer uas yog muab los ntawm cov nroj tsuag, xws li paj rwb, ntoo, thiab lwm yam ntaub ntawv uas muaj cellulose. Nws yog cov khoom tsis muaj tshuaj lom, tsis muaj tshuaj lom, thiab tsis muaj tshuaj lom uas muaj kev nyab xeeb rau kev siv hauv phab ntsa putty. HPMC kuj tseem siv rau hauv lwm yam khoom siv, xws li xim, plasters, thiab mortars, los txhim kho lawv cov khoom. HPMC yog ib qho zoo ntxiv rau phab ntsa putty, vim nws pab txhim kho kev ua haujlwm thiab ua haujlwm ntev ntawm putty, thiab pab txo qhov tawg thiab shrinkage. Nws kuj tseem pab txhim kho qhov adhesion ntawm putty rau phab ntsa nto, thiab pab txhim kho qhov ua tiav ntawm putty. HPMC yog tus nqi-zoo thiab ib puag ncig tus phooj ywg additive rau phab ntsa putty, raws li nws yog muab los ntawm renewable qhov chaw thiab yog non-toxic thiab non-irritant.