EPDM (ethylene propylene diene monomer) ka pulupulu
EPDM lāʻauhe copolymer o ka ethylene, propylene a me ka hapa uuku o ke kolu o ka monomer non-conjugated diene.ʻO ka inoa honua: Ethyiene Propyene Diene Methyiene, a i ʻole EPDM no ka pōkole.He maikaʻi loa ka EPDM rubberʻO ke kūpaʻa o UV, ka pale ʻana i ka wā, ka pale ʻana o ka wela, ka haʻahaʻa haʻahaʻa haʻahaʻa, ka pale ozone, ka pale kemika, ke kūpaʻa wai, ka insulation uila maikaʻi a me ka elasticity, a me nā waiwai kino a me nā mea hana ʻē aʻe.ʻAʻole hiki ke pani ʻia kēia mau mea maikaʻi e nā mea ʻē aʻe he nui.
1. Kūleʻa i ka wāhiki iā ia ke kū i ke anu nui, ka wela, ka maloʻo a me ka haʻahaʻa no ka manawa lōʻihi, a he kūpaʻa maikaʻi loa ka corrosion e kū'ē i ka erosion o ka hau a me ka wai, hiki ke hoʻolōʻihi i ke ola lawelawe o nā puka, nā puka makani a me nā pā pale.
2. Heat elemakule kū'ē 'o ia hoʻi he ikaika kū'ē i ka wela ea elemakule.Hiki ke hoʻohana ʻia ma -40 ~ 120 ℃ no ka manawa lōʻihi.Hiki iā ia ke mālama i nā hiʻohiʻona kūpono no ka manawa lōʻihi ma 140 ~ 150 ℃.Hiki iā ia ke pale i nā mahana kiʻekiʻe o 230 ~ 260 ℃ i kahi manawa pōkole.Hiki iā ia ke pāʻani i ka hana ʻana i nā hale kūkulu kūlanakauhale.Ka hopena lohi;i hui pū ʻia me ka hoʻohana ʻana i kahi ʻano hana kūikawā,EPDM lāʻauUa like kona manaʻo mai -50°C a i 15°C.Ua hana kēia hoʻonohonoho kahua hana i nā hopena kiʻekiʻe.
3. No ka meaEPDMHe kū'ē ozone maikaʻi loa, ua ʻike ʻia ʻo ia ʻo "crack-free rubber".Hoʻohana nui ʻia ia i nā hale kaona like ʻole me nā ʻano kikoʻī o ka lewa a ʻike ʻia i ka lewa.E hōʻike pū ʻo ia i kāna huahana kiʻekiʻe.
4. ʻO ke kū'ēʻana i ka radiation ultraviolet e hāʻawi i ka palekana kaiapuni no nā mea hoʻohana i nā hale kiʻekiʻe;hiki iā ia ke kū i ka 60 a hiki i ka 150Kv voltage, a loaʻa iā ia ke kūpaʻa corona maikaʻi loa, ka pale uila uila, a me ke kūpaʻa arc.ʻO ka elasticity haʻahaʻa haʻahaʻa, ʻo ka mahana ke piʻi ka mana tensile i 100MPa ʻo -58.8 ℃.
5. Ma muli o kona maikaʻi kūikawā mechanical waiwai, ua hoʻohana pinepine ia i ka hana 'ana i ka mokulele, kaʻa, kaʻaahi, kaʻa kaʻa, moku, kiʻekiʻe a me ka haʻahaʻa voltage hoʻololi cabinets, aniani pale paia, aluminika thermal insulation puka aniani ke hoʻopaʻa 'āpana a me nā huahana luʻu. ʻO nā paipu palupalu māhu kiʻekiʻe, nā tunnels, nā hui ala a me nā ʻāpana wai ʻē aʻe a me nā ʻāpana hoʻopaʻa ʻana i ka ʻoihana a me ka mahiʻai.
ʻO nā waiwai kūikawā nui a me nā palena ʻenehana
ʻāpana ʻāpana ʻūhā ʻāpana
Pāhana kūpono -40～140℃ -35～150℃
ʻO ka paʻakikī 50 ~ 80 ℃ 10 ~ 30 ℃
'O'ole'a (&) ≥10 -
ʻO ka hoʻolōʻihi ʻia i ka wā hoʻomaha(&) 200～600% 200～400%
Hoʻopaʻa hoʻopaʻa ʻia 24 hola 70(≯) 35% 40%
Māmā 1.2～1.35 0.3～0.8
1. Ma muli o nā pono o nā hiʻohiʻona hoʻolālā okalapona silicone, hiki iā ia ke mālama i ke kūpaʻa maikaʻi i loko o kekahi manawa a me kahi pae wela.Ke hoʻohālikelike ʻia me nā mea hana synthetic ʻē aʻe, hiki i ka silicone rubber ke kū i nā pae wela loa o -101 a hiki i 316 ° C a mālama i kāna mau waiwai kaumaha.
2. ʻO nā mea ʻokoʻa ʻē aʻe o kēia elastomer āpau:ka pale ʻana i ka radiation, ka liʻiliʻi o ka hopena disinfection;kūʻē haʻalulu, kokoke mau ka hoʻoili a me ka resonance alapine ma -50 ~ 65 ° C;ʻoi aku ka maikaʻi o ka hanu ma mua o nā waiwai polymers ʻē aʻe;ikaika dielectric 500V·km-1;ka nui o ka lawe ʻana <0.1-15Ω·cm;hoʻokuʻu a mālama paha i ka adhesion;ʻO ka mahana ablation 4982°C;liʻiliʻi loa ma hope o ka hui pū ʻana;kūpono no ka noi ʻana ma lalo o nā lula hoʻomalu meaʻai Hoʻopiha ʻai;nā waiwai pale ahi;hiki ke hana ʻia nā huahana kala ʻole a ʻala ʻole;nā waiwai wai;physiological inertness o ʻelima mau mea make a me nā lāʻau implants.
3. Lapa silikonihiki ke hana i nā huahana o nā kala like ʻole e like me ka makemake o ka mea kūʻai aku a me nā koi noʻeau.
Nā waiwai kino holoʻokoʻa Index
ʻO ka laulā paʻakikī 10～90
Ka ikaika tensile/MPa a hiki i ka 9.65
Elongation/% 100～1200
Kaha waimaka (DkB)/(kN·m﹣¹) Max.122
Bashaud elastometer 10～70
ʻO ka hoʻoemi mau loa 5% (kūlana hoʻāʻo 180oC, 22H)
Kaulana wela/℃ -101～316
3. TPV/TPE ʻeleʻele wela wela
Loaʻa i ka Thermoplastic elastomer ka waiwai kino a me ka mechanical o ka vulcanized rubber a me ke kaʻina hana o nā plastic plastic soft.Aia ia ma waena o ka plastic a me ka rubber.Ma keʻano o ka hanaʻana, heʻano plastic;ma ke ano o na waiwai, he ano laau.He nui nā mea maikaʻi o nā elastomers Thermoplastic ma mua o nā ʻōpala thermoset.
1. ʻO ka haʻahaʻa haʻahaʻa o ka elastomer thermoplastic(0.9~1.1g/cm3), pēlā e mālama ai i nā koina.
2.ʻO ka hoʻohaʻahaʻa hoʻoemi haʻahaʻaa maikaʻi ke kūlou luhi.
3. Ua hiki ke thermally welded e hoʻomaikaʻi i ka hui hikiwawe a me ka sila.
4. Hiki ke hoʻihoʻi pololei ʻia nā mea ʻōpala (escape burrs, extrusion waste materials) a me nā mea ʻōpala hope loa i hana ʻia i ka wā o ke kaʻina hana no ka hoʻohana hou ʻana, e hōʻemi ana i ka haumia o ke kaiapuni a me ka hoʻonui ʻana i nā kumu hana hana hou.He mea ʻōmaʻomaʻo maikaʻi loa ia a pili i ke kaiapuni.
Ka manawa hoʻouna: ʻOkakopa-31-2023