Khoom siv:
Tam sim no, muaj ntau yamO-ringCov khoom siv ntau lawm, cov khoom siv feem ntau yog fluorine roj hmab, roj hmab ntuj, ethylene / epropionic roj hmab, epropionic roj hmab, nitrile butadiene roj hmab, carboxylate nitrile, hydrogenated nitrile butadiene roj hmab, chlorol roj hmab, styrene butadiene roj hmab, silicone roj hmab, neoprene roj hmab. thiab lwm yam.
Txawm hais tias nws yog tib yam roj hmab, vim tias cov qauv siv tsis zoo ib yam, cov ntsuas kev ua tau zoo yuav pom qhov sib txawv loj. Nws yog ib qho nyuaj rau cov neeg siv khoom los txiav txim qhov kev ua tau zoo ntawm cov khoom los ntawm kev txheeb xyuas cov roj hmab nitrile butadiene lossis nitrile 40 hauv nws cov khoom xyaw. Yog li, kev lag luam yuav muaj cov qauv khoom tshwj xeeb xws li HG / T 2579, HG / T 2333, HB 5290, thiab lwm yam.
Feem ntau thaum peb xaiv O-ring, peb yuav tsum tsom rau qhov hardness ntawm cov khoom, qhov hardness yog ncaj qha ntsig txog cov nyhuv sealing, lub hardness tsis tuaj yeem siab dhau lossis qis dhau, yog tias qhov hardness siab dhau lawm, nws yog ib qho yooj yim rau nruab. nce qhov nyuaj ntawm kev teeb tsa, yog tias qhov nyuaj heev tsawg, txawm hais tias lub installation yog yooj yim, tab sis yooj yim rau extrusion, tev, kev puas tsuaj thiab lwm yam teeb meem. Hardness hauv 40 ~ 90IRHD yog qhov tsim nyog dua, cov khoom siv dav siv 70IRHD hardness, tab sis yog tias nws yog silicone roj hmab yuav tsum xaiv qhov hardness ntawm 60 IRHD.
