upiyona hwebetsero kuti epurasitiki pombi mukugadzira nyanzvi

22 years continuously developing of experience in the belling industry.

Zvakanakira monomer (EPDM) rabha

Iyo pombi yemvura pombi sisitimu , iyo yakave ichishandiswa zvishoma nezvishoma muChina. Inofananidzwa nezvimwe zvakajairwa zvisimbiso zverabha, ine yakanaka anti-kuchembera zvivakwa.

Zvinoenderana nematanho akakodzera ebvunzo, ethylene propylene diene monomer (EPDM) yerabha yakasarudzika kwemakore makumi maviri nematatu ine chikamu chekumanikidza che30%, uye iyo yekumanikidza yakadzika iri pasi pe10%; Kune mamwe akajairwa rabha, kana chikamu chekumanikidza chikamu chiri 30%, kumanikidza kusingaperi deformation kuchapfuura 10% mushure mekusakara kweakasarudzika kwemakore akati wandei. Mune iyo svikiro ine 50 ppm ozone, iyo nguva inotsemuka ye ethylene propylene diene monomer (EPDM) yerabha yakasarudzika iri anopfuura maawa e150 apo kusamira kwakasimba kuri 30%; Butyl rabha yakatsemuka mumaawa mashoma chete. Pakati nepakati ine 100 ppm ozone, EPDM rabha haisati yatsemuka mushure memaawa makumi maviri nemaviri; Irubyl rairema rakange riine kubvaruka kukuru mumaawa makumi mashanu nemazana mashanu nepfumbamwe, nepo neoprene yakatsemuka mumaawa makumi mana nematanhatu.
Iwo akasiyana mamorekuru chimiro chimiro che ethylene propylene diene monomer (EPDM) zvakanyanya kugadzirisa kuita kwekusiyana kwerabha yekuisa zvindori. nhamba hombe yeCC isina kuvharirwa zvisungo zvakapetwa, zviri nyore kwazvo kugadzirisa nezvinhu zvinoshanda mumhepo kana nepakati (senge ozone, okisijeni, ioni dzesimbi, chakuvhuvhu, nezvimwewo), Chikonzeresa rabha mamorekuru cheni kutsemuka, kuyambuka uye kumwe kuchembera, kuti iyo rabha inorasikirwa nekusimba uye inotungamira kune chisimbiso kutadza; Iyo mamorekuru chimiro che ethylene propylene diene monomer (EPDM) inonyanya kuve yakaumbwa neC CH bond. Nekuda kwekushomeka kwayo kwepasi, kushomeka kwakadzika, kukwirira kwemakemikari uye yakanakisa kusagadzikana kwemakemikari, inokodzera makemikari akasiyana polar, senge doro, asidhi (acetic acid, hydrochloric acid, nezvimwewo), alkali yakasimba (sodium hydroxide), oxidant (hydrogen peroxide, hypochlorous acid, sodium perbromate), sipo, mhuka nemafuta emiriwo maKetoni uye mamwe maesters ane kuramba kukuru kwenguva refu. Izvo zvivakwa (kunyanya anti-kuchembera zvivakwa) zviri nani kwazvo kupfuura zveSBR neNR.

Isu takaburitsa EPDM yerabha mhete ine masimbi esimbi mukati, inokodzera yedu Rieber belling michina, patakapedza iyo socketing, irabha mhete akaiswa mukati uye haagone kubvisa. Kuiswa chisimbiso kunovandudzwa uye kunonyanya kushandiswa pakudya kwemanheru. Ikozvino dhayamita kubva 50mm kusvika 1200mm, uye isu tinogona zvakare kuburitsa sevatengi zvinodiwa.

 

https://www.yuyu-machinery.com/auto-rubber-ring-for-pressure-and-waste-pipe.html
https://www.yuyu-machinery.com/square-type-rubber-ring-for-waste-pipe.html

Post nguva: Aug-05-2021