HPMC rau phab ntsa putty

Taw qhia

Phab ntsa putty yog ib hom ntawm cov khoom siv plaster siv los ua kom du thiab txawm nto ntawm phab ntsa thiab qab nthab. Nws feem ntau yog ua los ntawm kev sib xyaw ntawm cov cement, txiv qaub, thiab lwm yam khoom ntxiv. Phab ntsa putty yog siv los sau cov kab nrib pleb, qhov, thiab lwm yam tsis zoo hauv cov phab ntsa thiab qab nthab ua ntej pleev xim. Nws kuj yog siv los tsim ib tug du thiab txawm nto rau painting thiab lwm yam zoo nkauj finishes.

Kev siv phab ntsa putty tau nyob ib puag ncig rau ntau pua xyoo, thiab nws tseem siv niaj hnub no hauv ntau daim ntawv thov sib txawv. Ib qho ntawm feem nrov ntawm phab ntsa putty yog hydroxypropyl methylcellulose (HPMC). HPMC yog ib qho hluavtaws polymer muab tau los ntawm cellulose thiab yog siv nyob rau hauv ntau yam kev lag luam, nrog rau cov phab ntsa putty. HPMC yog cov khoom siv ntau yam thiab muaj txiaj ntsig zoo uas tuaj yeem siv los tsim ntau yam khoom siv phab ntsa.

HPMC yog dab tsi?

HPMC yog ib qho hluavtaws polymer muab los ntawm cellulose. Nws yog cov hmoov dawb, tsis muaj ntxhiab, thiab tsis qab ntsev uas yog soluble hauv dej. HPMC yog siv nyob rau hauv ntau yam kev lag luam, nrog rau cov phab ntsa putty. Nws yog cov khoom siv ntau yam thiab siv tau zoo uas tuaj yeem siv los tsim ntau yam khoom siv phab ntsa putty.

HPMC yog cov khoom tsis muaj tshuaj lom uas muaj kev nyab xeeb rau kev siv hauv phab ntsa putty. Nws tseem yog non-flammable thiab non-combustible, ua rau nws yog ib qho zoo tagnrho cov ntaub ntawv rau phab ntsa putty daim ntaub ntawv. HPMC kuj tseem tiv taus pwm thiab pwm, ua rau nws yog qhov kev xaiv zoo rau phab ntsa putty hauv qhov chaw ntub dej lossis qhov chaw ntub dej.

Cov txiaj ntsig ntawm HPMC hauv Phab Ntsa Putty

HPMC yog cov khoom siv ntau yam thiab muaj txiaj ntsig zoo uas tuaj yeem siv los tsim ntau yam khoom siv phab ntsa. Nws yog cov khoom tsis muaj tshuaj lom uas muaj kev nyab xeeb rau kev siv hauv phab ntsa putty. Nws tseem yog non-flammable thiab non-combustible, ua rau nws yog ib qho zoo tagnrho cov ntaub ntawv rau phab ntsa putty daim ntaub ntawv. HPMC kuj tseem tiv taus pwm thiab pwm, ua rau nws yog qhov kev xaiv zoo rau phab ntsa putty hauv qhov chaw ntub dej lossis qhov chaw ntub dej.

HPMC kuj yog ib qho yooj yim ua hauj lwm nrog thiab siv tau los tsim ntau yam textures thiab tiav. Nws kuj yog ib qho yooj yim mus thov thiab yuav siv tau los tsim ib tug du thiab txawm nto rau painting thiab lwm yam hniav finishes. HPMC kuj tseem tiv thaiv kev tawg thiab shrinking, ua rau nws yog ib qho kev xaiv zoo rau kev siv phab ntsa putty.

Xaus

HPMC yog cov khoom siv ntau yam thiab muaj txiaj ntsig zoo uas tuaj yeem siv los tsim ntau yam khoom siv phab ntsa. Nws yog cov khoom tsis muaj tshuaj lom uas muaj kev nyab xeeb rau siv hauv phab ntsa putty. Nws tseem yog non-flammable thiab non-combustible, ua rau nws yog ib qho zoo tagnrho cov ntaub ntawv rau phab ntsa putty daim ntaub ntawv. HPMC kuj tseem tiv taus pwm thiab pwm, ua rau nws xaiv zoo rau cov phab ntsa putty hauv qhov chaw ntub dej lossis qhov chaw ntub dej. HPMC kuj yog ib qho yooj yim ua hauj lwm nrog thiab siv tau los tsim ntau yam textures thiab tiav. Nws kuj yog ib qho yooj yim mus thov thiab yuav siv tau los tsim ib tug du thiab txawm nto rau painting thiab lwm yam hniav finishes. HPMC yog qhov kev xaiv zoo rau kev siv phab ntsa putty, vim nws tiv taus tawg thiab shrinking.