Perlite yog ib hom iav tawg uas tsis muaj duab zoo li pob zeb tawg uas muaj dej ntau, feem ntau yog tsim los ntawm kev ua kom dej ntawm obsidian. Nws tshwm sim ntuj thiab muaj cov yam ntxwv tshwj xeeb ntawm kev nthuav dav thaum cua sov txaus.
Perlite mos thaum nws kub txog 850–900 °C (1,560–1,650 °F). Cov dej uas nyob hauv cov qauv ntawm cov khoom siv yuav ua pa thiab tawm mus, thiab qhov no ua rau cov khoom siv nthuav dav mus txog 7–16 npaug ntawm nws qhov ntim qub. Cov khoom siv nthuav dav yog dawb ci ntsa iab, vim yog qhov cuam tshuam ntawm cov npuas uas raug kaw. Perlite tsis tau nthuav dav ("raw") muaj qhov ceev ntawm kwv yees li 1100 kg / m3 (1.1 g / cm3), thaum cov perlite nthuav dav ib txwm muaj qhov ceev ntawm kwv yees li 30–150 kg / m3 (0.03–0.150 g / cm3).
Perlite yog siv rau kev tsim kho masonry, cement, thiab gypsum plasters thiab cov rwb thaiv tsev xoob.
Perlite kuj tseem yog ib qho khoom siv ntxiv rau lub vaj thiab cov chaw teeb tsa hydroponic.
Lawv feem ntau yog los ntawm nws cov khoom siv lub cev thiab tshuaj lom neeg tshwj xeeb:
Perlite ruaj khov thiab tseem zoo li qub txawm tias thaum nias rau hauv av.
Nws muaj pH nruab nrab
Nws tsis muaj cov tshuaj lom thiab yog ua los ntawm cov khoom sib xyaw uas pom muaj nyob hauv av
Nws muaj qhov porous heev thiab muaj cov hnab tshos ntawm qhov chaw sab hauv rau huab cua
Nws tuaj yeem khaws qee cov dej thaum tso cai rau lwm cov dej ntws tawm
Cov khoom no tso cai rau perlite los pab txhawb ob txoj hauv kev tseem ceeb hauv av / hydroponics, uas yog qhov tseem ceeb rau kev loj hlob ntawm cov nroj tsuag.
Los ntawm Miranda los ntawm Albania - 2018.09.21 11:01
Los ntawm Gill los ntawm Fabkis - 2018.11.02 11:11