Zipangizo zopangidwa mwamakonda NBR/EPDM/FKM/SIL Rubber O-Ring

NBR

Mphira wa Nitrile umakonzedwa pogwiritsa ntchito copolymerization ya acrylonitrile ndi butadiene. Kuchuluka kwa acrylonitrile kumayambira pa 18% mpaka 50%. Kuchuluka kwa acrylonitrile, kukana bwino mafuta a hydrocarbon, koma kutentha kochepa kumakhala koipa, kutentha komwe kumagwiritsidwa ntchito ndi -40~120 ℃. Butanol ndi imodzi mwa mphira zomwe zimagwiritsidwa ntchito kwambiri popangira zisindikizo zamafuta ndi ma O-rings.

Ubwino:

· Kukana bwino mafuta, madzi, zosungunulira ndi mafuta opanikizika kwambiri.

· Kupindika bwino kwa kupsinjika, kukana kuwonongeka komanso kutalika.

Zoyipa:

· Sikoyenera kugwiritsa ntchito zinthu zosungunulira zinthu monga ma ketone, ozone, nitrohydrocarbons, MEK ndi chloroform. · Amagwiritsidwa ntchito popanga thanki yamafuta, thanki yamafuta odzola ndi zida za rabara, makamaka zida zotsekera, amagwiritsidwa ntchito mu mafuta a hydraulic oil, petulo, madzi, mafuta a silicon, mafuta a silicon, mafuta odzola a diester, mafuta a ethylene glycol hydraulic oil ndi zina zotulutsira madzi. Ndi chisindikizo cha rabara chomwe chimagwiritsidwa ntchito kwambiri komanso chotsika mtengo.

FKM

Mphira wa Kaboni wa Fluoro Mitundu yosiyanasiyana kutengera kuchuluka kwa fluorine (kapangidwe ka monomer) ka mamolekyu a fluorine. Kukana kutentha kwambiri ndikwabwino kuposa mphira wa silicone, kumakhala ndi kukana kwabwino kwa mankhwala, kukana mafuta ambiri ndi zosungunulira (kupatula ketone, ester), kukana nyengo ndi kukana ozoni; Kukana kuzizira ndi koipa, kugwiritsa ntchito kutentha kwa -20~250 ℃. Fomula yapadera imatha kupirira kutentha kochepa mpaka -40 ℃. Ubwino:

· Kukana kutentha kufika 250 ℃

· Yosagonjetsedwa ndi mafuta ambiri ndi zosungunulira, makamaka mafuta onse a asidi, aliphatic, aromatic ndi nyama ndi ndiwo zamasamba

Zoyipa:

· Sikoyenera kugwiritsa ntchito ma ketone, ma ester otsika kulemera kwa mamolekyulu ndi zosakaniza zokhala ndi nitrate. · Magalimoto, ma locomotive, injini za dizilo ndi makina amafuta.

SIL

Unyolo waukulu wa Silicone Rabber umapangidwa ndi silicon (-si-O-Si) yolumikizidwa pamodzi. Kukana kutentha bwino, kukana kuzizira, kukana ozone, kukana ukalamba mumlengalenga. Kugwira ntchito bwino kwamagetsi. Mphamvu yokoka ya rabara wamba ndi yofooka ndipo ilibe kukana mafuta. Ubwino:

· Mphamvu yokoka mpaka 1500PSI ndi kukana kung'ambika mpaka 88LBS mutapanga

· Kutanuka kwabwino komanso kusokonekera kwabwino kwa kupsinjika

· Kukana bwino ku zinthu zosungunulira zopanda ndale

· Kukana kutentha bwino kwambiri

· Kukana kuzizira kwambiri

· Kukana bwino kwambiri kuwonongeka kwa ozone ndi oxide

Kuchita bwino kwambiri kwa kutchinjiriza magetsi

· Choteteza kutentha bwino komanso chochotsa kutentha

Zoyipa:

· Sikoyenera kugwiritsidwa ntchito m'zinthu zambiri zosungunulira zinthu, mafuta, ma asidi osungunuka ndi sodium hydroxide yosungunuka. · Zisindikizo kapena zida za rabara zomwe zimagwiritsidwa ntchito m'makampani opanga zida zapakhomo, monga ma POTS amagetsi, ma aroni, ndi zida za rabara m'ma uvuni a microwave.

· Zisindikizo kapena zida za rabara mumakampani amagetsi, monga makiyi a foni yam'manja, zoziziritsira moto mu DVD, zoziritsira mu malo olumikizira chingwe, ndi zina zotero.

· Zisindikizo pa zinthu zosiyanasiyana zomwe zakhudzana ndi thupi la munthu, monga mabotolo amadzi, akasupe amadzi, ndi zina zotero.

Epdm

Mphira wa Ethylene (PPO) umapangidwa kuchokera ku Ethylene ndi propylene kukhala unyolo waukulu ndipo umalimbana bwino ndi kutentha, kukana ukalamba, kukana ozone komanso kukhazikika, koma sulfur sungawonjezedwe. Pofuna kuthetsa vutoli, gawo laling'ono la gawo lachitatu lokhala ndi unyolo wawiri limalowetsedwa mu unyolo waukulu wa EP, womwe ungapangidwe powonjezera sulfure ku EPDM. Kutentha konse ndi -50~150 ℃. Kukana bwino kwambiri ku zinthu zosungunulira za polar monga mowa, ketone, glycol ndi phosphate lipid hydraulic fluids.

Ubwino:

· Kukana nyengo bwino komanso kukana ozoni

· Kukana madzi bwino komanso kukana mankhwala

· Ma alcohols ndi ma ketones angagwiritsidwe ntchito

· Kukana nthunzi kutentha kwambiri, kusalowa mpweya bwino

Zoyipa:

· Sikoyenera kugwiritsidwa ntchito pa chakudya kapena kukhudzana ndi hydrogen wonunkhira. · Zimateteza malo otentha kwambiri okhala ndi nthunzi ya madzi.

· Zisindikizo kapena zida za zida za m'bafa.

· Zipangizo za rabara mu dongosolo la braking (braking).

· Zitseko mu ma radiator (matanki amadzi a galimoto).