Chii chinonzi dry mortar additives?

Dry mortar additives zvinhu zvinowedzerwa kune yakaoma dhaka musanganiswa kuti uwedzere kushanda kwavo uye zvivakwa. Inogona kushandiswa kuvandudza kushanda, kusimba, kusungirirana, uye kuisa nguva yedhaka, pamwe nekuderedza shrinkage, kuputika, uye mamwe maitiro ekukuvadza. Kune akawanda akasiyana marudzi eakaoma dhaka ekuwedzera anowanikwa, imwe neimwe iine basa rayo uye zvinodiwa.

1. Cellulose ethers Cellulose ethers ndeimwe yemhando dzinowanzozivikanwa dzedhaka rakaoma rinowedzera. Iwo mapolymer anonyungudika nemvura anobva ku cellulose, inova polima yemusikirwo inowanikwa muzvirimwa. Cellulose ethers inogona kushandiswa kuvandudza kushanda, kusungirirwa, uye kuchengetedza mvura kwedhaka, pamwe nekuderedza kutsemuka uye kuderera. Anonyanya kushanda mumatope ane simende uye anogona kushandiswa mumhando dzakasiyana-siyana, kusanganisira kuisa pasi, kuisa matairi, uye kupurasita.
2. Redispersible polymer powders Redispersible polymer poda imwe mhando yedhaka yakaoma yekuwedzera. Iwo mapolymer ekugadzira anowedzerwa kune yakaoma dhaka musanganiswa kuti avandudze hukama hwavo, kushanda, uye kusimba. Redispersible polymer powders anowanzo gadzirwa kubva kuvinyl acetate-ethylene copolymers kana acrylics uye inogona kushandiswa mumhando dzakasiyana dzekushandisa, kusanganisira masonry, flooring, uye tileng.
3. Retarders Retarders inoshandiswa kuderedza nguva yekugadzika kwedhaka, zvichibvumira nguva yakawanda yekuti dhaka rishandiswe nekuumbwa. Zvinonyanya kukosha mumamiriro ekupisa uye akaoma, apo dhaka rinogona kuisa nokukurumidza. Maretarders anowanzo gadzirwa kubva kuorganic acids kana shuga uye anofanirwa kushandiswa muhuwandu chaihwo kudzivirira kukanganisa kusimba kana kusimba kwedhaka.
4. Accelerators Accelerators inoshandiswa kumhanyisa nguva yekumisikidza yedhaka, ichibvumira kuti irape nekukurumidza. Zvinonyanya kukosha mumamiriro ekutonhora uye kunyorova, uko dhaka rinogona kutora nguva yakareba kuti rigadzirwe. Accelerators anowanzo gadzirwa kubva kucalcium chloride kana mamwe mamunyu uye anofanirwa kushandiswa muhuwandu hwakakodzera kudzivirira kukanganisa simba kana kusimba kwedhaka.
5. Air intrainers Mhepo inopinza inoshandiswa kugadzira tuturu twemhepo mudhaka, kuvandudza kushanda kwayo uye kuomesa-kunyungudika kuramba. Iwo anonyanya kubatsira mumatunhu anogara achiomesa chando-thaw cycles, uko dhaka rinogona kukuvadzwa nekutonhora kwemvura uye kuwedzera mukati me pores. Mapurisa emhepo anowanzo gadzirwa kubva kune surfactants kana sipo uye anofanirwa kushandiswa muhuwandu chaihwo kudzivirira kukanganisa kusimba kana kusimba kwedhaka.
6. Fillers Fillers anoshandiswa kudzikisa huwandu hwebinder hunodiwa mudhaka, kuvandudza kushanda kwayo uye kuderedza mutengo wayo. Iwo anowanzo kugadzirwa kubva kusilica kana mamwe mamineral uye anogona kushandiswa mumhando dzakasiyana dzekushandisa, kusanganisira masonry, flooring, uye tileng.

Pakazere, dhaka rakaoma rinowedzera chinhu chakakosha chezvinhu zvemazuva ano zvekuvaka, zvichipa huwandu hwemabhenefiti uye mabhenefiti akakosha kuti uwane kuita kwakaringana uye mhedzisiro. Nekunyatsosarudza uye nedosing yega yega yekuwedzera mumusanganiswa, unogona kugadzira dhaka rakasimba, rinogara, uye rakakodzera kune yako yaunoda kushandisa.