Ububiko bwa gypsumu busanzwe bwitwa pre-mixe yumye yumye irimo ahanini gypsumu nka binder.Kuvangwa namazi ahakorerwa akazi kandi bigakoreshwa kurangiza kurukuta rwimbere - amatafari, beto, blok ya ALC nibindi.
Hydroxy Propyl Methyl Cellulose (HPMC) ninyongera yingenzi kubikorwa byiza muri buri progaramu ya gypsumu.