91视频H污污

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Buna-n (nbr/??????) o-?????

????? ???? ?? nbr nbr ??-???? bunn

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?????????????? (ffkm) O-RINGS ?????? ?????? (ffkm) ?????? ?????? ???? ???? ??????????? ???? ???????. ????? ??? ?? ??????? ????????? ??????? ?????? ?????. ???????? ????? ????? ????-25 ℃ ~ 250 ℃, ????? ??? ?? 300 ℃, ???? ????????? ???? ????? ?? ?????? ??????, ??? ??? ?? ?????, ????. ???? ??? ????????? ???? ?????? ?????? ????????????. ?????? ???? ????? ??????, ?????, ????????, ???, ?????? ??????? ????. ????? ?????: ???? ?? ???????? (???? ?????), ??????? (???? ?????), ????????????? ????????? ???. ???? ?? ??? ?????????. ???? ????????? ?? ???? ???? ???? ??????? ?????, ??? ???? ????? ???? ????? ?? ?????? ????????? ?????, ??????? ?????? ?????, ?????? ??? ?????, ?????? ???? ???????? ??, ?????? ???????? ??????? ???? ??????. ????? ???? ??????????????? (ffkm) ?? ?????? ?????? ??????? ?????, ?????? ????? ????? ??????? ????. ?????? ?? ??????????????? (ffkm) ????? ????: ????? ??? ??????, ????? ???, ??? ???? ????? 70-90 1700-????? 3000 psi ?????? % 100 ~ ?????? 300% 1.9 ~ 2.5g/, ???? ????????? ? "?: ???????? ????? ?????:-25 ℃(-13 ℉) ???????? ?????: -250 ℃(482 ℉) ※ ???? ????????? ??? ??? ????????? ?? ??????? ?????????, ???? ???? ?? ?? ????? ?????, ???? ?????: 50 ~ 90 ??? a (70 ??? ??? ????? ?????) ????? ????: ????, ???? pallorinated ?? ???? ?????? ?????, ??? ???????? ??????? ???? ?? ?????? ???????? ???????, ???? ?????? ?????? ?????? ??????? ??? ????? ????? ?? ?????????. ????? ??? ?????? ?????? ????? ??? ?? ???? ????? ??????????, ?? ???, ?? ??? ??????? ???????? ???????? ?????. ?????? ???? ????? ?????? ?? ???? ?????? ?????? ??? ????? ??????? ?????? ?????. ????? ????, ?? ??? ????? ?? ???????? ?? ?? ????? ??????????? ?? ????. ????? ?? ???? ?????? ????? ?????? ??????? ???????. ??????? ??????? ???????? ?? ??? ????? ?? ????????? ?? ???? ?? ???? (X-CSMA: x = br ?? i) ????? ?????? ??????? ?? ????????? ?????? ?????????? ?? ?? 230 ° c ???????? ???, ????? ???? ????. ????? ???? ?? ???? pallorined ????? ?? ??? X-CSM ?-???? ???? ????????? ????? ??? ?? ??? ??? ?? ????? ?? ??? ????? vulcenizing ???? ???? ???? ?????, triallyl isocyanate (????) ????? ???? ????? ???? ?????? ?????? ??????? ?????? ?????? ?????? ??????? ???. ?????? ?????? ???? ????????? ????????, ????? ???? ??????? ????? ??????. ???, ?? ????? ?? ????? ?? ??????? (????, ???? ?? ??????), ?? ???????? ?????? ?????????? (tmemic) ????? ?????. ???? ???? ?? ?????? ???????? ????? ?? ??? ????? ????? ?? ????. ???? ?? ????? ??? ????, ??????? ??? ???? ????? ???? ????? ????? ?????? ?????????? ????? ????? ?? ???? ???? FCM: ???? ?????? ?????? ?? ??? ???? ??: ????? nitrile (nbr) o-???? ?? ????? ?????? ???? ?????? ????? ???? ?????? ??????? ?? ????. ??????? ba-n ???? ?? ????? ???, ?????, ??????, ?????, ??? ?????, ?????? ?????????? ?????? ???, ? ???? ?????????. Epdm ?-chings ?? ???????? ?? ??? ????, ???? fda cfr 21 177.2600, 3a, lfgb, eo1935: 2004/ec, GB4806.11-2016, ?????? ????? ?????? ?????, ?????? ???? ??????? ?????, ??? ??? ?? ???????? ????? ????? ?????? ???????? ??? ??????. ?? ???, ??? ?? ???? ???? ?? ??? ?? ??? ?? ??? ????? ????? ?????? ???? ????????. ????? ??????? (vmq) ????? ????????? ????? ?????? (-50 ?? 230). ?? ??? ?????? ????? ???????? ????? ??????? ???? ???????? ????. ???? ??? ??????? ??? ??? ????? ???? ?? ??????? ???? ?? ????. ?????? ?????????? (hnbr) o-????? ?? ?????? ?????? ???????, ?????? ????? ??????, ?? ?????? ???? ??????? ?????, ?????? ?????, ??????? ????, ??????? ???????? ?????, ?? ???? ????? ??????? ?????? (nbr) ??

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??? ???? ????? ??? (??? ??) ??? ?????? ???????? ?? ???? ???? flange ?? “???? ?????” (?) ???? ?????? ?? ???? "???? ?????" ???? ????? ??????? (rf). ???? ????? ??????? ?? ??????? ????? ?? ??????? ?? ??????. ????????? ??????? ????? ?? bs10 (???????/?????????), pn/??? (???????), asa/ansi (usa) ?-jis/ks (?????/????????). 1. ?????? ??? ?? ?????? ???????? pn (din) (?? bs 1514-1:1967. Pn 6, pn 10, pn 16, pn 25, pn 40) 2. ????? ??????? ???????? ???? ???????? ?ansi (???) (?? 12560 1:2001:: 150. asme b16.21 ?????, 300 ????, 600; asme b16.47 ????? 150, 300 ????, 600 ?????; Asme b16.47 b ???? 150, ??? 300, ???? 600) 3. ??????? ??? ???? ???? 10 ?????? (?? 3063:1965: ????? ?, ????? ?, ????? ?, ????? e, ????? ? ', ?????)