Roba o-oruka EPDM 70shore-A FDA ounje ite
Roba o-oruka EPDM 70shore-A FDA ounje ite
● Ni gbogbogbo, EPDM o-oruka ni a mọ lati ni resistance to dara julọ si ozone, oorun, ati oju ojo, ati pe o ni irọrun ti o dara pupọ ni iwọn otutu kekere, resistance kemikali ti o dara (ọpọlọpọ awọn acids dilute ati alkalis ati awọn olomi pola), ati idabobo itanna to dara. ohun ini.
● EPDM o-rings le tun wa ni iyatọ ti o ṣawari irin nigba ti o ni idaduro awọn agbara kanna gẹgẹbi gbogboogbo EPDM o-ring compound.EPDM o-rings jẹ awọ dudu ni awọ, pẹlu igbesi aye selifu pipẹ. Eto itọju: Peroxide- Awọn agbo ogun o-oruka Standard EPDM ti o ni itọju jẹ mimu-iwosan nigbagbogbo.
● Awọn agbo ogun sulfur ti o ni arowoto nfunni awọn ohun-ini ti o ni irọrun ti o dara julọ ṣugbọn o jẹ diẹ sii lati ṣe lile ati ki o ni ipilẹ ti o kere ju pẹlu awọn iwọn otutu ti o ga julọ. , paapaa fun awọn ọna ṣiṣe okun ni ile-iṣẹ ikole, ṣugbọn o gbowolori diẹ sii ati nira sii fun iṣelọpọ ju awọn agbo ogun EPDM o-ring sulfur-cured.
● Fun alaye diẹ sii lori awọn ọna ṣiṣe imularada EPDM, jọwọ ọfẹ lati kan si wa fun iwe alaye.
● Iwọn Iwọn Iwọn O-Oruka EPDM: Iwọn otutu Kekere: -55°C (-67°F)
● Standard High Temp: 125 ° C (257 ° F) Ṣe daradara Ni: Awọn ọti-waini Automotive brake fluid Ketones Dilute acids and alkalis Silicone oils and greases Steam up to 204.4ºC (400ºF) Omi Phosphate ester orisun hydraulic olomi Ozone, ojo, ati awọn .
● Kini diẹ sii, EPM jẹ Copolymer ti ethylene ati propylene.EPDM jẹ terpolymer ti ethylene ati propylene pẹlu iwọn kekere ti monomer kẹta (nigbagbogbo diolefin) lati gba vulcanization pẹlu imi-ọjọ.
● Ni gbogbogbo Ethylene Propylene Rubber ni agbara ti o dara julọ si ozone, oorun ati oju ojo, ati pe o ni irọrun ti o dara julọ ni iwọn otutu kekere, kemikali ti o dara (ọpọlọpọ awọn acids dilute, alkalis & polar solvents), ati awọn ohun-ini idabobo itanna to dara.
● Okun-A:Lati 30-90 eti okun-A eyikeyi awọ le ṣe.
● IBI:AS-568 gbogbo iwọn.
