Perlite don Rufewa

Perlite don Rufi

Nick Gromicko

https://www.nachi.org/perlite.htm

Perlite dutse ne na siliceous da ake amfani da shi wajen hana zafi a gine-gine.

Samarwa
Amurka ita ce babbar mai samar da perlite a duniya. Sauran manyan ƙasashe da ke samar da perlite sun haɗa da China, Girka, Japan, Hungary, Armenia, Italiya, Mexico, Philippines, da Turkiyya. Kuna iya gane shi a matsayin ƙananan fararen duwatsu da ake amfani da su a cikin tukunya don inganta iska da riƙe danshi.

Bayan an haƙa shi, ana dumama perlite zuwa kimanin 1,600° F (871° C), wanda ke sa ruwan da ke cikinsa ya yi tururi kuma ya haifar da ƙananan kumfa masu yawa waɗanda ke wakiltar halayen zahiri na ma'adinan. Ana samar da rufin Perlite a cikin siffar granular da kuma foda, amma wasu masana'antun suna haɗa shi da gypsum ko wasu kayan don mayar da shi allon rufi. Baya ga amfani da shi a matsayin rufi a gine-gine, ana amfani da perlite don rufin kayan aiki masu ƙarancin zafi, kamar ajiyar kayan ajiya mai sanyi da tankunan cryogenic, da kuma a aikace-aikacen sarrafa abinci.

Halayen Jiki da Ganowa

Ana iya yin rufin da aka samu a cikin gidaje da perlite idan yana da waɗannan halaye:
launinsa fari ne mai dusar ƙanƙara zuwa fari mai launin toka-fari. Dutse mai ɗanɗano ya kama daga launin toka mai haske zuwa baƙi mai sheƙi, amma siffar da aka faɗaɗa a gidaje ana iya gane ta cikin sauƙi ta launin fari;
Yana da nauyi. Ana iya ƙera perlite mai faɗaɗa don ya yi nauyi kaɗan kamar fam 2 a kowace ƙafa mai siffar cubic; da/ko
Girman hatsinsa na iya bambanta, amma gabaɗaya ba su fi girman inci ¼ ba.

Aikin Perlite a matsayin Mai Rufe Insulator

Ana amfani da Perlite sosai a matsayin rufin da ba shi da cikakken cikawa, musamman a ginin ginin dutse, saboda waɗannan halaye masu zuwa da ke sa ya zama abin so:
ƙarancin guba. A cewar Cibiyar Perlite, "Babu wani sakamakon gwaji ko bayani da ke nuna cewa perlite yana haifar da wata barazana ga lafiya." Sauran abubuwan hana iska, kamar asbestos, vermiculite (wanda zai iya ƙunsar asbestos), da fiberglass sun fi haɗari;
rashin kuzarin sinadarai, ma'ana ba zai lalata bututu, hanyoyin lantarki ko hanyoyin sadarwa ba. Perlite yana da pH na kusan 7, wanda yayi kama da ruwan sha mai tsafta;
Sauƙin sassauƙa. A matsayin wani abu mai hana cikawa a cikin ginin gini, ana iya zuba perlite a cikin ramukan tubalin siminti inda yake cike dukkan ramuka, tsakiya, wuraren turmi da ramukan kunne. Ma'adinan zai gudana a kusa da duk wani rashin ƙarfi, rashin daidaito ko shigarwa da aka fallasa. Yana ɗaukar nauyinsa kuma ba zai daidaita ko haɗa simintin Perlite ba.
ƙimar wuta mai yawa. Dakunan gwaje-gwaje na Underwriters sun gano cewa bangon siminti mai girman inci 8 (20.32-cm) mai tsawon sa'o'i biyu ana inganta shi zuwa awanni huɗu lokacin da aka cika tsakiyar da perlite da aka yi wa silicone magani;
masu jure wa ruɓewa da kuma kwari;
Rage sauti. Rufewar Perlite mai cike da iska yana da ikon cike dukkan gurɓatattun abubuwa, layukan turmi da ramukan kunne, don haka yana ba shi damar rage watsa sauti ta iska ta cikin bango. Toshe mai sauƙi, inci 8 (cm 20) wanda aka cika da perlite ya cimma matsayin watsa sauti na 51, wanda ya wuce ƙa'idodin watsa sauti na HUD;
mai jure danshi, wanda hakan ke sa ya zama da amfani a wuraren da ruwa ko danshi ke taruwa, kamar a cikin mahaɗan daidaita bene da kuma rufin ƙasa; da kuma
duk na halitta ne. Ma'aikatar Makamashi ta Amurka ta yi kira da a yi amfani da perlite a matsayin kayan gini mai kore.
Wasu aikace-aikacen da aka saba amfani da su don perlite a matsayin mai hana ruwa a cikin gine-gine sun haɗa da:

a cikin tsakiyar bangon ɓangaren ramin gini;
a cikin ramukan da ke tsakanin bangon gini;
tsakanin bangon gini na waje da kuma furring na ciki;
don rufin ƙasa da daidaita tsoffin benaye. A cikin wannan aikace-aikacen, ana zuba rufin perlite a saman bene na asali, a yayyafa shi zuwa zurfin da ya dace, a rufe shi da kwali mai laushi ko allon mai sauƙi, da kuma takardar mai;
a cikin tayal ɗin rufi;
a matsayin abin hana wuta a kusa da bututun hayaki, ƙofofi, ɗakuna da rumbunan ajiya; da kuma
don rufin bene.
Iyakoki

Da ƙimar R ta 2.7, perlite ba ta yin aiki yadda ya kamata ba ga sauran insulators, kamar fiberglass, rockwool da cellulose. Duk da haka, yana yin aiki mafi kyau ga wasu, kamar vermiculite, kayayyakin itace marasa cikawa, da bambaro.
Ba za a iya amfani da Perlite ba idan ana amfani da shi kai tsaye a yanayin zafi na digiri 200 na Fahrenheit.
Bai kamata a yi amfani da Perlite a saman waje wanda ruwa ko danshi ke shiga akai-akai ba. Idan ana tsammanin ya taɓa ruwa ko danshi mai yawa, ana ba da shawarar a yi amfani da filastar simintin Portland.
Ba a ba da shawarar yin amfani da filastar perlite a kan allunan dumama masu haske ba saboda ƙimar su ta rufewa.
Matsakaicin zafin da perlite zai iya jurewa shine 2,300º F (1,260º C).
A taƙaice, perlite ma'adinai ne na halitta, mai aminci wanda ake amfani da shi azaman rufin gini.