Sealant: mhando yayo uye tizvishandise

Adhesives uye sealants, izvo chaikurukurwa pamisika nhasi chaizvo yakasiyanasiyana uye vari dzinoratidzwa paupamhi zvezvinotaurwa chikumbiro.

Clay - a fuma rinoshandiswa kubatanidza akasiyana zvinhu achishandisa inofanira adhesion pakati namira firimu uye hukawanika siyana. Ndiye musanganiswa kana pakugadzirisa rimwe dzinongoitika kana chakaita zvokugadzirwa hwaro.

On kwemakemikari mamiriro adhesives uyewo akasiyana. Mukuwedzera, ivo dzinoiswa maererano kusachinja-chinja emura kana upfu.

By nzira kwokuva, vane marudzi anotevera: PVA, kuonana, inopisa uchanyangadika adhesives ndivo avo kuti kuita panguva samolecular chechetere.

Rinokosha Kuparadzirwa pfuma adhesives, sealants. Kushandiswa muungano zvinoriumba, zvakasiyana-siyana mano, michina, kufefetedza enyika, etc. Zviri yakakurumbira namira sealant "Moment" kureva mvura nemishonga mhuka. Rinoshandiswa kuti Bonding zvakasiyana-siyana hukawanika - huni, dehwe, rabha, girazi, Ceramics, etc. (Kana vazviziva, izvo akaronga kushumira chikafu).

Zvinofanira kucherechedzwa kuti namira-sealant chinoitwa pachishandiswa Polymers. Kazhinji, inoitwa polysulfide, uye silicone rubbers. The chikuru munda chikumbiro - richizadza Makwanza siyana uye makatsemuka, uyewo kuiswa chisimbiso madhoo uye mahwindo.

Maererano makemikari anoumba namira-sealant chiri acrylic, silicone uye polyurethane. Acrylic mhando yayo rinoshandiswa kuzadza mapfundo kwete makatsemuka zvakare guru pakati ibwe kana kongiri hukawanika.

Zvinofanira kucherechedzwa kuti acrylic anotsanangura adhesives dzisina zvokufembedzwa, zvinogona kushandiswa kunama makatsemuka diki uye kunze uye mukati musha. Vari ne zvakanaka adhesion kuti kongiri, plaster, uyewo matanda uye zvidhina, anokwanisa kwemaminitsi 15 chokuumba firimu uye kuramba zvivako zvavo panguva tembiricha kuti -25 - +80 ° C. Mukuwedzera, kwakadaro sealant ane yakakwirira kuramba UV mwaranzi uye chiedza rinoshandiswa zvakananga kubva chubhu kana rinokosha pfuti.

Silicone date mhando adhesives zvinoshandiswa sezvo insulators, izvo kubatsira kumisa hwindo puranga, mukova uye siyana simbi zvivako, yakavimbika kudzivirira pamusoro kupinda vokune dzimwe nyika kunhuwirira uye mvura. Zvinokosha kucherechedza kuti silicone namira sealant kunoratidzwa adhesion zvakanaka girazi, huni, zvedongo uye enamelled hukawanika. Akanga zvakare dzinoratidzwa yakakwirira nemishonga yakakwirira tembiricha mamiriro siyana ekunze. adhesives kwakadaro zvinowanikwa akawanda kana Hauoneki (segirazi). Kana rikashandiswa zvinofanira kuyeukwa kuti basa pamusoro inofanira kuva yakachena, yakaoma uye degreased, uye solidification zvakakwana kunoitika chete masikati.

Polyurethane adhesives, sealants vari densified uye kunama guru zvinogona kuchengetedza elasticity zvakanaka kwenguva refu. Ivo inoshandiswa Simbiso chero zvinhu. Zvinofanira kucherechedzwa kuti adhesives kwakavakirwa polyurethane guruu ari hukawanika maviri nokukurumidza kuva hwakasimba pamusoro kuonana nemvura, rinogona zvemapuranga ane varnish kana pendi. Asati tikazvishandisa vanofanira kutakura kubuda mureza pamusoro gadziriro (kuchenesa uye degreasing).