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 ohun-ini idabobo itanna to dara.
● EPDM o-rings le tun wa ni a irin iwari iyatọ iyatọ nigba ti idaduro awọn agbara kanna bi awọn gbogboogbo EPDM o-ring yellow.EPDM o-rings wa ni ojo melo dudu ni awọ, pẹlu kan gun-pípẹ selifu aye.Cure System: Peroxide-Cured Standard EPDM o-ring compounds are often sulfur-cured.
● Sulfur-cured compounds pese 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.Peroxide-cured EPDM o-ring compounds ti o dara ju ooru ti o dara julọ ati ipilẹ ti o kere ju.
● Fun alaye diẹ sii lori awọn ọna ṣiṣe imularada EPDM, jọwọ jẹ 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) Ṣiṣe 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 arugbo.
● 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.
