Muaj pes tsawg additives nyob rau hauv gypsum plaster?

Muaj ntau yam additives uas yuav siv tau nyob rau hauv gypsum plaster, xws li accelerators, retarders, plasticizers, air-entraining agents, bonding agents, thiab dej-repellents.

1. Accelerators: Accelerators yog siv los ua kom lub sijhawm teem sijhawm ntawm gypsum plaster. Cov accelerators muaj xws li calcium sulfate, calcium chloride, thiab sodium sulfate.

2. Retarders: Retarders yog siv los ua kom qeeb lub sij hawm ntawm gypsum plaster. Cov retarders muaj xws li sodium silicate thiab cellulose ethers xws li hydroxypropyl methyl cellulose, HPMC.

3. Plasticizers: Plasticizers yog siv los ua kom muaj kev ua haujlwm ntawm gypsum plaster. Cov plasticizers muaj xws li glycerin thiab polyethylene glycol.

4. Air-entraining agents: Air-entraining agents yog siv los txhim kho kev ua haujlwm thiab lub zog ntawm gypsum plaster. Cov neeg ua hauj lwm hauv huab cua muaj xws li sodium lauryl sulfate thiab polyvinyl cawv.

5. Bonding agents: Bonding agents yog siv los txhim kho cov adhesion ntawm gypsum plaster rau lwm cov ntaub ntawv. Cov khoom sib txuas ua ke muaj xws li acrylic resins thiab polyvinyl acetate.

6. Dej-repellents: Dej-repellents yog siv los txo qhov nqus dej los ntawm gypsum plaster. Cov dej-repellents muaj xws li silicones thiab waxes.

Lub formulation ntawm gypsum plaster additive yuav nyob ntawm seb cov khoom tshwj xeeb thiab cov yam ntxwv uas xav tau rau cov khoom. Lub formulation ntawm gypsum plaster additive kuj tseem nyob ntawm seb hom gypsum siv, qhov xav tau daim ntawv thov, thiab cov yam ntxwv ntawm kev ua tau zoo. Feem ntau, gypsum plaster additives yog tsim los ntawm kev sib txuas ntau hom gypsum, additives, thiab lwm yam khoom xyaw hauv cov proportions tshwj xeeb.