Ndezvipi zvinowedzera muGypsum plaster?

Kune zvakasiyana-siyana zvekuwedzera zvinogona kushandiswa mu gypsum plaster, zvinosanganisira accelerators, retarders, plasticizers, air-entraining agents, bonding agents, uye zvinodzivirira mvura.

1. Accelerators: Accelerators inoshandiswa kukurumidza kugadzirisa nguva yegypsum plaster.Kazhinji accelerators anosanganisira calcium sulfate, calcium chloride, uye sodium sulfate.

2. Retarders: Retarders inoshandiswa kuderedza nguva yekuisa yegypsum plaster.Zvakajairwa kudzoreredza zvinosanganisira sodium silicate uye cellulose ethers senge hydroxypropyl methyl cellulose,HPMC.

3. Plasticizers: Plasticizers inoshandiswa kuwedzera kushanda kwegypsum plaster.Mapurasitiki akajairika anosanganisira glycerin uye polyethylene glycol.

4. Air-entraining agents: Air-entraining agents anoshandiswa kuvandudza kushanda uye simba regypsum plaster.Yakajairika air-entraining agents anosanganisira sodium lauryl sulfate uye polyvinyl doro.

5. Bonding agents: Bonding agents anoshandiswa kuvandudza kusungirirwa kwegypsum plaster kune zvimwe zvinhu.Zvakajairika bonding agents zvinosanganisira acrylic resins uye polyvinyl acetate.

6. Zvinodzivirira mvura: Zvinodzivirira mvura zvinoshandiswa kuderedza kutorwa kwemvura negypsum plaster.Zvinowanzodzivirira mvura zvinosanganisira silicones uye wax.

Iko kuumbwa kweiyo gypsum plaster yekuwedzera kunotsamira pane chaiyo zvivakwa uye hunhu hunodiwa kune chigadzirwa.Kugadzirwa kweiyo gypsum plaster yekuwedzera kuchaenderanawo nemhando yegypsum iri kushandiswa, iyo inodiwa application, uye inodiwa maitiro ekuita.Kazhinji, gypsum plaster additives inogadzirwa nekubatanidza marudzi akasiyana egypsum, additives, uye zvimwe zvinongedzo muzvikamu zvakati.