Magirazi egirazi rudzi rutsva rwezvinhu zvakagadzirwa mumakore achangopfuura zvine mashandisirwo akasiyana-siyana uye hunhu hwakakosha. Chigadzirwa ichi chakagadzirwa nezvinhu zveborosilicate kuburikidza nekugadzirwa kwepamusoro-soro, chine saizi yezvidimbu zve10-250 microns uye ukobvu hwemadziro hwe1-2 microns. Chigadzirwa ichi chine mabhenefiti ehuremu hwakareruka, kufambisa kwekupisa kwakaderera, simba rakawanda, kugadzikana kwakanaka kwemakemikari, nezvimwewo. Pamusoro payo pakanyatsogadzirwa kuti ive nehunhu hwemafuta anonyungudika uye asinganyungudike, uye zviri nyore kwazvo kupararira mumasisitimu ezvinhu zvechisikigo.
Magirazi madiki anoshandiswa kubvisa ngura mumichina yemuchadenga, nzvimbo dzinoyambuka zebra, mitsetse isingamire, mitsetse miviri yeyero pakuratidzira husiku mumigwagwa yemumaguta, uye michina yekuratidzira husiku yezviratidzo zvemugwagwa.
Runyoro rwezvinhu
1. Kuumbwa kwemakemikari:
SiO2 >67%, CaO>8.0% MgO>2.5%, Na2O0.15, vamwe 2.0%.
2. Simba guru: 2.4-2.6g/cm³.
Chitarisiko: girazi rakatsetseka, rakatenderera, rinoonekera pasina tsvina
Mwero wekutenderera: ≥85% kana kupfuura.
3. Zvidimbu zvemagineti hazvifanirwe kudarika 0.1% yehuremu hwechigadzirwa.
4. Huremu hwemabhuru mugirazi hushoma pane 10%.
5. Haina zvinhu zve silicone resin.
6. Kuwanda kwehuwandu: 1.5g/cm³
7. Kuomarara kweMohs: 6-7
8. Kuomarara kweRockwell: 48-52HRC
Mabhora egirazi ane mashandisirwo akasiyana-siyana uye hunhu hwakakosha. Ane dhayamita diki, huremu hwakareruka uye simba rakawanda. Kuaisa pamachira kunogona kuita kuti ave machira anopenya ayo vanhu vanoda. Kushanda kwakasimba kwekutarisa kumashure, zvakanyanya, chiedza chinogona kuratidzwa zvakananga kunobva chiedza, saka chinoburitsa simba rekutarisa kumashure. Kushandiswa kwemabhora egirazi anopenya kwakavandudza zvakanyanya mashandiro ekuchengetedza mumugwagwa.
Pendi yakawedzerwa nemagirazi anopenya mumigwagwa haidi magetsi, uye inogonawo kupedzisa basa rekuyeuchidza zviratidzo zvehusiku. Nokudaro, magirazi anopenya mumigwagwa anoshandiswa muzviratidzo zvemigwagwa, nzvimbo dzekunze, zviratidzo zvemugwagwa nedzimwe yambiro dzehusiku. Huwandu hwezviratidzo hwakavandudza zvikuru kuzivikanwa kwezviratidzo izvi husiku, hwakaita basa rakanaka kwazvo mukutungamira nekunyevera, uye hwakapa mutsetse wakasimba wekuchengetedza kune vatyairi vanotyaira husiku.
Mabhenefiti egirazi rinopenya mumugwagwa:
Chinhu chegirazi chinoratidza ganda regirazi chinowedzerwa zvakananga mukapuleti yemvura, uye chogadziriswa zvakaenzana. Kana zvakakodzera, huwandu hwakati hwezvinhu zvinowedzerwa hunogona kuwedzerwa kuti huwedzere kusimba kwayo, uye inogona kushandiswa zvakananga. Isa zvakananga mujecha rinoonekera, kurunga zvakaenzana, uye wedzera huwandu hwakati hwezvinhu zvinobatsira zvichienderana nezvinodiwa chaizvo kuti zvive nani pakushandisa.
Magirazi madiki anopenya emugwagwa anogona kuwedzerwa zvakananga kuinki kuti agadzire inki inopenya, iyo inogona kudhindwa nechidzitiro kana kupendwa pamachira kana zvimwe zvinhu. Zviri nyore kushandisa uye zviri nyore kunzwisisa. Zvinofanira kucherechedzwa kuti magirazi madiki anopenya Huwandu hwemabhii anowedzerwa hunogona kuwedzerwa zvakakodzera zvichienderana nehuwandu hwekuratidzira hwaunoda.
Pfafaidza hwaro hwekusimbisa kutanga, wobva wamirira kusvika hwaro hwekusimbisa hwaoma usati wapfapfaidza topcoat yekusimbisa. Kana pamusoro pesimende pakagadzirwa, zvichave nani kupfapfaidza kaviri kakawanda. Pakupfapfaidza, zvinokurudzirwa kushandisa nyanzvi. Panguva imwe chete, pakufapfaidza, edza nzvimbo diki pachine nguva, teerera mamiriro ekunze ekuvaka, edza kusavaka kana kuchinaya, kuitira kuti usaite kuti magirazi ekusimbisa madiki asakwanise kutamba zvizere.
NaMona kubva kuCairo - 2017.10.13 10:47
NaApril kubva kuIndia - 2018.12.28 15:18