Hmoov Bentonite yog ib qho av nplaum uas tshwm sim los ntawm kev hloov pauv ntawm cov av tshauv volcanic, uas muaj cov qauv crystalline sib txawv uas muab nws nrog cov khoom siv lub cev thiab tshuaj zoo tshaj plaws uas tsim nyog rau kev siv hauv kev lag luam hnyav. Cov hmoov zoo no muaj zog nqus dej, muaj peev xwm o tuaj, ua tau zoo heev, muaj zog nplaum zoo, ruaj khov thermal zoo heev thiab sib npaug, ua rau nws yog cov khoom siv raw tsis muaj qhov hloov pauv hauv kev lag luam foundry thoob ntiaj teb. Hmoov Bentonite ua haujlwm ua tus neeg sawv cev tseem ceeb hauv cov txheej txheem xuab zeb foundry molding, tuav cov xuab zeb ib leeg ua ke los tsim cov pwm ruaj khov thiab cov cores uas tiv taus cov xwm txheej hnyav ntawm kev nchuav hlau thiab khov. Nws cov yam ntxwv tshwj xeeb ua rau txhua qhov txuas ntawm kev tsim khoom foundry, los ntawm kev npaj xuab zeb thiab pwm tsim mus rau kev casting shakeout thiab xuab zeb reclamation, ncaj qha txiav txim siab qhov zoo ntawm cov castings tiav, kev ruaj khov ua haujlwm thiab kev tswj hwm tus nqi tsim khoom rau cov tuam txhab foundry ntawm txhua qhov ntsuas.

Hauv kev lag luam foundry, hmoov bentonite feem ntau yog siv rau hauv cov txheej txheem molding xuab zeb ntsuab, uas yog cov thev naus laus zis casting siv dav tshaj plaws thoob plaws ntiaj teb, pab txhawb rau kev tsim ntau yam hlau ferrous thiab non-ferrous castings. Cov xuab zeb ntsuab sib xyaw, feem ntau yog ua los ntawm silica xuab zeb, hmoov bentonite, dej thiab me me ntawm cov khoom ntxiv, vam khom tag nrho rau hmoov bentonite los tsim cov kev sib txuas sib txuas ntawm cov xuab zeb me me. Thaum sib xyaw nrog dej, hmoov bentonite swells sai sai thiab tsim ib daim zaj duab xis nyias, viscous uas npog txhua lub xuab zeb, sib txuas lawv mus rau hauv ib qho loj uas sib txuas tau yooj yim thiab pliable uas tuaj yeem ua tau yooj yim thiab compacted. Lub tshuab sib txuas rov qab no tso cai rau xuab zeb ntsuab kom raug pwm rau hauv cov geometries nyuaj, tswj kev ruaj khov thaum tuav thiab tiv taus deformation nyob rau hauv lub siab thiab cua sov ntawm cov hlau molten. Yog tsis muaj hmoov bentonite, xuab zeb ntsuab molding yuav tsis muaj kev ruaj khov, ua rau pwm tawg, casting defects thiab tsis ua haujlwm ntau lawm, qhia txog lub luag haujlwm tseem ceeb ntawm hmoov bentonite hauv kev ua haujlwm niaj hnub foundry.

Qhov kev ua tau zoo ntawm cov hmoov bentonite khi ncaj qha txiav txim siab lub zog ntsuab ntawm cov pwm foundry, ib qho cim qhia tseem ceeb uas qhia txog lub peev xwm ntawm pwm kom khaws cov duab thiab tiv taus kev puas tsuaj thaum thauj mus los, sib dhos pwm thiab npaj rau kev nchuav. Cov hmoov bentonite zoo tsim cov kev sib txuas muaj zog, yoog tau ntawm cov xuab zeb me me, ua kom cov pwm tsis tawg, chip lossis deform thaum tsiv ntawm cov chaw tsim khoom lossis muab tso rau hauv cov fwj casting. Lub zog ntsuab txhim khu kev qha no yog qhov tseem ceeb rau ob qho tib si kev ua haujlwm foundry thiab cov kab casting tsis siv neeg, qhov twg kev ua tiav ntawm pwm yog qhov tseem ceeb los txo qis kev cuam tshuam kev tsim khoom thiab cov khoom tsis zoo. Cov hmoov bentonite nrog cov khoom zoo o thiab cov nplaum ua rau cov pwm tsim nrog cov ntsiab lus nyuaj, phab ntsa nyias thiab cov qhov tob, txhawb kev tsim cov castings nyuaj siv hauv cov khoom siv tsheb, cov tshuab kev lag luam, cov khoom siv tsim kho thiab cov tshuab hydraulic.

Tshaj li lub zog ntsuab, hmoov bentonite muab lub zog kub zoo kawg nkaus rau cov pwm ua pwm, ib qho khoom tseem ceeb uas tswj cov pwm ruaj khov nyob rau hauv qhov kub ntawm cov hlau molten. Thaum cov hlau molten, hlau, txhuas lossis tooj liab alloys raug nchuav rau hauv cov pwm, qhov kub siab heev ua rau cov dej noo seem hauv cov xuab zeb thiab ua rau muaj kev kub ntxhov hauv lub kaw lus khi. Hmoov Bentonite khaws nws cov qauv ruaj khov nyob rau hauv cov xwm txheej kub hnyav no, tiv thaiv kev puas tsuaj ntawm phab ntsa pwm, tawg lossis vau thaum cov hlau molten puv lub qhov thiab khov. Qhov kev ua haujlwm kub ruaj khov no ua kom cov castings tswj tau qhov tseeb ntawm qhov ntev, tshem tawm cov qhov tsis zoo xws li cov xuab zeb, kev nkag mus rau hauv hlau thiab kev cuam tshuam cov duab. Cov chaw ua pwm vam khom hmoov bentonite los xa cov zog kub sib xws thoob plaws txhua qhov ntau lawm, ua kom ntseeg tau tias txhua qhov casting ua tau raws li cov qauv zoo thiab cov kev cai ntawm qhov ntev.

Qhov yooj ywm yog lwm qhov zoo ntawm cov hmoov bentonite hauv kev siv cov khoom siv hauv kev tsim khoom, ua kom cov txheej txheem tom qab casting yooj yim dua thiab txo qhov siv zog thiab cov khoom siv hnav. Tom qab cov hlau molten khov thiab txias, cov pwm xuab zeb sib txuas yuav tsum tau tawg ua ke kom rho tawm cov xuab zeb tiav, thiab siv cov xuab zeb rov ua dua tshiab rau kev siv dua. Cov qauv sib txuas ntawm cov hmoov bentonite tsis muaj zog maj mam thaum cov pwm txias, cia cov xuab zeb tawg yooj yim hauv qab kev co lossis kev cuam tshuam thaum lub sijhawm co, yam tsis tso cov khoom seem tawv uas lo rau ntawm cov chaw casting. Qhov yooj ywm zoo no ua rau cov voj voog ntau lawm sai dua, txo lub sijhawm siv rau kev rho tawm casting thiab txo qhov puas tsuaj ntawm cov castings thaum lub sijhawm demolding. Tsis tas li ntawd, cov hmoov bentonite pab txhawb kev rov ua dua cov xuab zeb zoo, vim tias cov xuab zeb tawg tuaj yeem yooj yim tshuaj xyuas, ntxuav thiab rov ua dua nrog cov hmoov bentonite tshiab thiab dej, txiav cov khoom siv pov tseg thiab txo cov nqi tsim khoom mus sij hawm ntev.

Hmoov Bentonite kuj tseem ua lub luag haujlwm tseem ceeb hauv kev txhim kho qhov tiav ntawm cov khoom siv hlau cam khwb cia, qhov tseem ceeb zoo uas txo qhov xav tau kev siv tshuab thib ob thiab kev ua tiav. Qhov loj me me thiab kev sib xyaw ua ke ntawm hmoov bentonite ua kom cov xuab zeb ntsuab sib xyaw ua rau cov pwm du, ntom ntom nrog qhov porosity tsawg kawg nkaus thiab qhov tsis sib xws. Thaum cov hlau yaj ntws mus rau hauv cov pwm du no, nws ua kom raug cov pwm qhov nto, tsim cov castings nrog huv, txawm tias qhov chaw tsis muaj cov qhov xuab zeb, cov thaj chaw ntxhib thiab lwm yam qhov tsis zoo ntawm qhov chaw. Qhov kev ua tiav ntawm qhov chaw no txo ​​lub sijhawm thiab tus nqi siv rau kev sib tsoo, polishing thiab machining, txhawb kev ua haujlwm ntau lawm. Rau cov castings precision siv hauv cov cav tsheb, cov cuab yeej precision thiab cov khoom siv sib dhos, qhov zoo ntawm qhov chaw du uas ua los ntawm hmoov bentonite yog qhov tseem ceeb rau kev ua kom haum, kev ua haujlwm thiab lub neej ua haujlwm ntawm cov khoom kawg.

Hauv cov txheej txheem ua cov hlau tseem ceeb, uas tsim cov qhov hauv, qhov thiab cov qauv sab hauv nyuaj hauv cov castings, bentonite hmoov ua haujlwm ua tus neeg sawv cev txhim khu kev qha rau cov xuab zeb sib xyaw. Cov hlau tseem ceeb ntawm lub tuam txhab ntsib cov xwm txheej hnyav dua li cov pwm sab nraud, vim tias lawv tau npog tag nrho los ntawm cov hlau yaj thiab raug rau qhov kub siab ntev thaum lub sijhawm casting. Bentonite hmoov muab lub zog txaus thiab thermal stability rau cov hlau tseem ceeb, tiv thaiv kev hloov pauv, tawg lossis tawg thaum lub sijhawm nchuav thiab khov. Qhov no ua kom cov yam ntxwv sab hauv ntawm cov castings tau tsim kom raug, nrog rau qhov loj me sib xws thiab cov nplaim sab hauv du. Bentonite hmoov-raws li cov xuab zeb tseem ceeb yog yooj yim los npaj, pwm thiab compact, muab lwm txoj hauv kev pheej yig rau cov hlau tseem ceeb-bonded rau cov ntawv thov casting txheem, ua rau nws yog ib qho tseem ceeb hauv ob qho tib si me me jobbing foundries thiab cov chaw tsim khoom loj.

Qhov ua tau ntau yam ntawm bentonite hmoov ua rau nws haum rau txhua hom hlau casting txheej txheem hauv kev lag luam foundry, npog cov hlau ferrous xws li grey hlau, ductile hlau thiab carbon hlau, nrog rau cov hlau tsis yog ferrous suav nrog aluminium alloys, tooj dag thiab tooj dag. Txhua hom hlau xav tau cov yam ntxwv pwm tshwj xeeb, thiab bentonite hmoov tuaj yeem hloov kho kom tau raws li cov kev xav tau no los ntawm kev kho qhov sib xyaw nrog xuab zeb thiab dej, lossis xaiv cov qib ua tiav tshwj xeeb. Rau cov hlau kub thiab hlau casting, bentonite hmoov muab lub zog kub tshwj xeeb thiab thermal tiv thaiv kom tsis txhob pwm tsis ua haujlwm. Rau txhuas thiab lwm yam non-ferrous casting, bentonite hmoov xa cov pwm du thiab collapsibility zoo heev, tsim cov castings zoo nrog cov ntsiab lus zoo. Qhov kev ua tau ntau yam no tshem tawm qhov xav tau ntau cov binders tshwj xeeb, ua kom yooj yim rau kev tswj hwm cov khoom siv raw thiab txo qhov nyuaj ntawm kev ua haujlwm rau foundries.

Ntau hom hmoov bentonite raug ua tiav los ua kom tau raws li ntau yam kev xav tau ntawm kev lag luam thoob ntiaj teb, txhua tus tau tsim los xa cov kev ua tau zoo rau cov ntawv thov casting tshwj xeeb. Sodium bentonite hmoov, qib siv feem ntau hauv cov chaw tsim khoom, muaj peev xwm o, lub zog khi thiab thermal stability, zoo tagnrho rau cov ntim siab, kub siab ferrous casting operations. Nws cov dej nqus tau zoo thiab cov khoom nplaum ua kom muaj kev ua haujlwm pwm sib xws hauv cov kab ntau lawm. Calcium bentonite hmoov, nrog me ntsis qis dua tab sis kev ua haujlwm khi txhim khu kev qha, muab kev siv nyiaj tsawg rau cov chaw tsim khoom me me, non-ferrous casting thiab cov ntawv thov nrog qhov kub nruab nrab. Activated bentonite hmoov, ua tiav los txhim kho cov khoom khi thiab thermal, muab kev ua tau zoo tshaj plaws rau kev casting precision, cov khoom nyias-walled thiab cov khoom nyuaj uas qhov zoo pwm thiab casting raug yog qhov tseem ceeb.

Kev ua thiab kev tswj xyuas zoo ntawm cov hmoov bentonite rau kev siv hauv kev tsim khoom ua raws li cov qauv nruj kom ntseeg tau tias muaj kev ua haujlwm zoo sib xws hauv kev ua haujlwm casting. Cov hlau bentonite nyoos yog rho tawm los ntawm cov khoom siv minerals uas tau xaiv zoo, tom qab ntawd tsoo, zom ua hmoov zoo thiab purified kom tshem tawm cov khoom tsis huv xws li xuab zeb, cov organic teeb meem thiab cov minerals tsis xav tau uas yuav ua rau muaj kev cuam tshuam rau qhov zoo ntawm kev sib khi. Qhov loj me ntawm cov hmoov bentonite raug tswj hwm nruj, vim tias cov khoom me me ua kom muaj kev sib kis zoo dua hauv cov xuab zeb sib xyaw, kev sib xyaw ua ke ntawm cov xuab zeb thiab lub zog pwm muaj zog dua. Cov hmoov bentonite huv si raug kuaj xyuas kom zoo rau qhov ntsuas o, lub peev xwm sib khi, cov dej noo thiab kev ruaj khov thermal, nrog tsuas yog cov pawg ua tau raws li cov lus qhia nruj uas tau pom zoo rau cov ntawv thov hauv kev tsim khoom. Kev tswj xyuas zoo no lav qhov kev ua tau zoo sib xws, tso cai rau cov chaw tsim khoom kom tswj tau qhov ruaj khov thiab txo qhov tsis zoo ntawm kev tsim khoom.

Kev tuav thiab khaws cia cov hmoov bentonite kom zoo yog qhov tseem ceeb rau kev khaws cia nws cov khoom siv hauv kev siv lub tshuab ua vaj tse, vim tias kev ua qias tuaj thiab kev puas tsuaj ntawm lub cev tuaj yeem ua rau o thiab kev ua haujlwm khi tsis zoo. Cov hmoov bentonite yuav tsum khaws cia rau hauv qhov chaw qhuav, muaj cua zoo, kaw rau hauv cov ntim khoom uas tsis muaj dej noo kom tsis txhob raug rau cov dej noo, nag thiab dej nchuav. Kev nqus dej noo ntau dhau ua rau cov hmoov bentonite sib sau ua ke, txo qhov kev sib kis hauv cov xuab zeb sib xyaw thiab ua rau lub zog pwm tsis muaj zog. Thaum lub sijhawm thauj mus los, cov hmoov bentonite yuav tsum tau tiv thaiv los ntawm kev puas tsuaj ntawm cov ntim khoom kom cov hmoov ntws tau yooj yim thiab yooj yim sib tov. Cov chaw ua vaj tse feem ntau khaws cov hmoov bentonite hauv cov chaw tswj hwm ze ntawm cov chaw molding, kom ntseeg tau tias nkag tau sai thiab tswj tau qhov zoo kom txog thaum siv. Kev ua raws li cov txheej txheem khaws cia kom zoo ua kom cov hmoov bentonite khaws cia tag nrho cov haujlwm, xa cov kev ua haujlwm khi zoo hauv txhua qhov sib xyaw xuab zeb.

Cov txheej txheem sib tov ntawm cov hmoov bentonite nrog cov xuab zeb silica, dej thiab cov khoom ntxiv yog ib kauj ruam tseem ceeb hauv kev tsim cov khoom siv hauv lub Hoobkas, cuam tshuam ncaj qha rau qhov zoo ntawm cov xuab zeb ntsuab thiab cov txiaj ntsig casting. Cov hmoov bentonite yog sib tov ua ntej nrog cov xuab zeb silica qhuav kom ntseeg tau tias muaj kev faib tawm sib npaug, ua raws li kev ntxiv dej maj mam kom ua rau muaj kev o thiab cov khoom sib txuas. Kev sib tov ntau dhau lossis kev sib tov tsis txaus tuaj yeem ua rau lub zog pwm tsis sib xws, nrog rau cov hmoov bentonite tsis sib xyaw ua rau cov xuab zeb tsis sib txuas zoo, thiab kev sib tov ntau dhau ua rau muaj kev sib xyaw ntau dhau thiab txo qhov permeability. Cov chaw tsim khoom niaj hnub no siv cov tshuab sib tov xuab zeb tsis siv neeg los tswj lub sijhawm sib tov, qhov ceev thiab cov khoom xyaw sib piv kom raug, ua kom zoo dua cov hmoov bentonite ua tau zoo thiab tsim cov xuab zeb ntsuab sib xws. Qhov sib piv zoo tshaj plaws ntawm cov hmoov bentonite rau xuab zeb thiab dej yog tsim rau txhua lub chaw tsim khoom xav tau casting, sib npaug lub zog pwm, permeability thiab collapsibility rau cov txiaj ntsig zoo tagnrho.

Kev nkag tau yog ib qho tseem ceeb ntawm cov pwm uas tau txhim kho los ntawm cov xuab zeb ntsuab uas muaj hmoov bentonite uas tau tsim zoo, ua rau muaj kev nyab xeeb ntawm cov pa roj uas tsim tawm thaum lub sijhawm nchuav hlau. Thaum cov hlau uas tau tsim tawm cuam tshuam nrog cov dej noo thiab cov khoom siv organic hauv xuab zeb, nws tsim cov pa roj uas yuav tsum tau tso tawm los ntawm cov pwm kom tiv thaiv cov qhov tsis zoo xws li qhov cua, qhov porosity thiab cov pa roj cavities. Hmoov Bentonite tsim cov qauv porous tswj tau hauv cov pwm, tso cai rau cov pa roj hla mus tau yooj yim thaum tswj hwm lub zog txaus kom muaj cov hlau uas tau tsim. Qhov kev nkag tau sib npaug no yog ua tiav los ntawm kev kho cov hmoov bentonite thiab cov dej hauv cov xuab zeb sib xyaw, xyuas kom meej tias cov pwm muaj zog txaus los tiv taus cov kev ntxhov siab ntawm casting thaum ua kom muaj kev tso pa roj zoo. Lub peev xwm ntawm hmoov Bentonite los sib npaug lub zog thiab qhov permeability ua rau nws zoo tagnrho rau kev tiv thaiv cov qhov tsis zoo uas cuam tshuam nrog roj, uas yog ib qho teeb meem ntau hauv kev lag luam foundry.

Hmoov Bentonite kuj tseem pab txhawb kom pwm permeability thiab breathability zoo dua, uas yog qhov tseem ceeb rau kev tsim cov castings tsis muaj qhov tsis zoo nrog cov qauv sab hauv tuab. Kev tso pa roj kom zoo tsis yog tsuas yog tshem tawm cov porosity sab hauv xwb tab sis kuj txhim kho qhov zoo ntawm cov hlau castings, txhim kho lawv lub zog thiab kev ua haujlwm ntev. Cov qauv tshwj xeeb ntawm hmoov Bentonite pab tswj qhov loj me thiab kev faib tawm hauv cov xuab zeb molding, tsim kom muaj lub network permeable uas tso cai rau cov pa roj kom dim yam tsis muaj kev cuam tshuam rau kev ncaj ncees ntawm pwm. Qhov no yog qhov tseem ceeb tshwj xeeb rau cov castings loj, tuab-phab ntsa, qhov twg cov pa roj entrap yuav tshwm sim ntau dua. Los ntawm kev ua kom zoo dua permeability, hmoov bentonite pab cov chaw tsim khoom tsim cov castings zoo nrog cov qauv sab hauv sib xws, ua tau raws li cov kev cai ua haujlwm rau kev lag luam thiab kev siv engineering.

Kev lag luam thoob ntiaj teb kev vam khom rau cov hmoov bentonite txuas ntxiv mus, tsav los ntawm kev nthuav dav ntawm cov khoom lag luam xws li tsheb, kev tsim kho, tshuab hnyav thiab aerospace, txhua yam xav tau cov hlau castings zoo. Raws li cov chaw tsim khoom siv cov kab ntau lawm thiab cov thev naus laus zis casting precision, qhov kev thov rau cov hmoov bentonite ua haujlwm siab, nce ntxiv, vim tias qhov sib txawv me me hauv kev ua haujlwm khi tuaj yeem cuam tshuam cov txheej txheem tsis siv neeg thiab ua rau cov nqi tsis lees paub nce ntxiv. Cov chaw tsim khoom loj thoob plaws Asia, Tebchaws Europe, North America thiab South America vam khom cov khoom siv ntawm cov hmoov bentonite zoo kom tswj tau kev ua haujlwm zoo thiab ua tau raws li cov qauv zoo nruj. Cov neeg muab khoom hmoov bentonite txuas ntxiv txhim kho cov thev naus laus zis ua tiav kom txhim kho cov khoom zoo, tsim cov qib tshwj xeeb rau cov ntawv thov casting siab heev thiab txhawb nqa cov kev xav tau ntawm kev lag luam thoob ntiaj teb.

Kev siv cov hmoov bentonite hauv kev ua haujlwm hauv lub chaw ua khoom siv yog qhov zoo tshaj plaws, ua rau nws yog ib qho kev daws teeb meem pheej yig dua li cov khoom siv hluavtaws thiab lwm yam kev xaiv. Hmoov Bentonite yog ib qho mineral uas muaj ntau yam ntuj tsim, ua rau nws pheej yig dua thiab yooj yim dua li cov khoom siv hluavtaws, txo cov nqi raw khoom rau cov chaw ua khoom siv. Nws qhov sib xws nrog kev rov ua dua xuab zeb ntxiv txhim kho kev txuag nqi, vim tias feem ntau cov xuab zeb molding tuaj yeem rov ua dua thiab rov siv dua nrog cov hmoov bentonite tshiab, txo qhov kev thov rau xuab zeb silica tshiab. Tsis tas li ntawd, hmoov bentonite txo cov nqi cuam tshuam nrog kev ua tsis zoo casting thiab kev ua tiav theem ob, vim tias cov pwm zoo tsim cov khoom tsis zoo tsawg dua thiab xav tau tsawg dua tom qab casting. Rau cov chaw ua khoom siv me, nruab nrab thiab loj, hmoov bentonite muab kev sib xyaw ua ke ntawm kev ua tau zoo thiab tus nqi qis, txhawb nqa kev ua haujlwm ruaj khov thiab muaj txiaj ntsig.

Kev ruaj khov ua haujlwm yog lwm qhov zoo ntawm bentonite hmoov hauv kev tsim khoom siv, vim nws qhov kev ua tau zoo tas li txo cov txheej txheem hloov pauv thiab txhim kho kev kwv yees ntau lawm. Tsis zoo li qee cov khoom siv hluavtaws uas xav tau kev tswj hwm qhov kub thiab txias nruj, bentonite hmoov ua haujlwm tau zoo nyob rau hauv ntau yam kev ua haujlwm ntawm lub chaw tsim khoom, hloov kho rau kev hloov pauv lub caij thiab cov chaw tsim khoom sib txawv. Qhov kev ruaj khov no txo ​​qhov xav tau kev hloov kho mis ntau zaus thiab kev kho dua tshiab ntawm cov khoom siv, ua kom yooj yim rau kev tswj hwm kev tsim khoom thiab txo lub sijhawm tsis ua haujlwm. Bentonite hmoov yooj yim siv kuj txo cov kev xav tau kev cob qhia rau cov neeg ua haujlwm hauv lub chaw tsim khoom, vim tias kev npaj xuab zeb ntsuab thiab cov txheej txheem ua pwm yog qhov yooj yim thiab yooj yim rau kev tswj hwm, ntxiv kev txhim kho kev ua haujlwm zoo.

Hmoov Bentonite txhawb nqa kev ua haujlwm ntawm lub chaw ua khoom siv ruaj khov los ntawm kev txhawb nqa kev siv cov khoom siv rov ua dua tshiab thiab kev txo cov khib nyiab, ua raws li kev lag luam kev lag luam ntawm kev siv cov khoom siv zoo. Kev siv rov qab ntawm cov xuab zeb molding hmoov bentonite txo qhov kev tsim cov khib nyiab, vim tias cov xuab zeb siv lawm tuaj yeem rov ua dua ntau zaus es tsis txhob pov tseg. Hmoov Bentonite yog cov khoom siv ntuj, tsis muaj tshuaj lom, tsis muaj cov tshuaj lom neeg thiab cov organic sib xyaw ua ke, tsim kom muaj kev nyab xeeb dua rau cov neeg ua haujlwm hauv chaw ua khoom siv thiab txo cov pa phem ib puag ncig. Tsis zoo li cov khoom siv hluavtaws uas tso cov pa phem thaum lub sijhawm kub siab, hmoov bentonite tsis tsim cov pa phem, txo cov pa phem thiab kev pheej hmoo kev noj qab haus huv. Cov yam ntxwv zoo rau ib puag ncig no, ua ke nrog nws cov kev ua tau zoo tshwj xeeb, ua rau hmoov bentonite yog qhov kev xaiv zoo rau cov chaw ua khoom siv uas ua raws li kev coj ua tsim khoom ruaj khov thiab muaj lub luag haujlwm.