Malaasta ku salaysan gypsum waxaa caadiyan loo yaqaan hoobiye qalalan oo hore loo isku daray oo inta badan ka kooban gypsum sida xidhe ahaan.Lagu qaso biyo goobta shaqada oo loo isticmaalo dhamaystirka darbiyada gudaha ee kala duwan - leben, shubka, block ALC iwm.
Hydroxy Propyl Methyl Cellulose (HPMC) waa wax lagu daro lagama maarmaanka u ah waxqabadka ugu wanaagsan ee codsi kasta oo gypsum plaster ah.