EPDM (ethylene propylene diene monomer) rọba
EPDM rọbabụ copolymer nke ethylene, propylene na obere ego nke atọ monomer na-abụghị conjugated diene.Aha mba ụwa bụ: Ethyiene Propyene Diene Methyiene, ma ọ bụ EPDM maka nkenke.EPDM roba nwere ezigbo mmaUV eguzogide, ihu igwe na-eguzogide, okpomọkụ ịka nká na-eguzogide, obere okpomọkụ na-eguzogide, ozone eguzogide, chemical iguzogide, mmiri na-eguzogide, ezigbo ọkụ eletriki mkpuchi na elasticity, na ihe ndị ọzọ anụ ahụ na n'ibu.Enweghị ike iji ọtụtụ ihe ndị ọzọ dochie uru ndị a.
1. Nguzogide ihu igwenwere ikike iguzogide oké oyi, okpomọkụ, nkụ na iru mmiri ruo ogologo oge, na nwere magburu onwe corrosion eguzogide megide ozize nke snow na mmiri, nke nwere ike kpamkpam ịgbatị ndụ ọrụ nke ọnụ ụzọ, windo na ákwà mgbochi mgbidi.
2. Okpomọkụ ịka nká pụtara na ọ nwere ike iguzogide ịka nká ikuku.Enwere ike iji ya na -40 ~ 120 ℃ ogologo oge.Ọ nwekwara ike ịnọgide na-enwe irè e ji mara ogologo oge na 140 ~ 150 ℃.Ọ nwere ike idi elu okpomọkụ nke 230 ~ 260 ℃ na a obere oge.Ọ nwere ike itinye aka na mgbawa ụlọ ime obodo.Mmetụta igbu oge;jikọtara ya na iji usoro pụrụ iche,EPDM rọbanwere mmetụta yiri nke ahụ site na -50 ° C ruo 15 ° C.Ntinye saịtị mmepụta a emepụtala nsonaazụ dị elu.
3. N'ihi naEPDMnwere oke ozone na-eguzogide, a makwaara ya dị ka "roba na-enweghị mgbawa".A na-eji ya eme ihe karịsịa n'ime ụlọ ndị mepere emepe dị iche iche nke nwere akara ikuku dị iche iche ma na-ekpuchi ya kpamkpam.Ọ ga-egosipụtakwa ịdị elu ngwaahịa ya.
4. Nguzogide radieshon ultraviolet na-enye nchebe gburugburu ebe obibi maka ndị na-eji ụlọ elu dị elu;ọ nwere ike iguzogide voltaji 60 ruo 150Kv, ma nwee oke nguzogide corona, nguzogide mgbape eletrik, na nguzogide arc.Obere okpomọkụ elasticity, okpomọkụ mgbe ike tensile ruru 100MPa bụ -58.8 ℃.
5. N'ihi magburu onwe ya pụrụ iche n'ibu Njirimara, ọ na-ejikarị emeputa nke ụgbọ elu, ụgbọ ala, ụgbọ oloko, ụgbọ ala, ụgbọ mmiri, elu na ala voltaji mgba ọkụ cabinets, iko ákwà mgbochi mgbidi, aluminum alloy thermal mkpuchi window akara akụkụ na mmiri mmiri ngwaahịa, elu-nrụgide uzuoku soft Pipes, tunnels, viaduct nkwonkwo na ndị ọzọ waterproof akụkụ na ndị ọzọ na ulo oru na ugbo akara akụkụ.
Isi pụrụ iche Njirimara na teknuzu paramita
Oke roba akụkụ Sponge roba akụkụ
Okpomọkụ ọdabara -40 ~ 140 ℃ -35 ~ 150 ℃
Isi ike 50 ~ 80℃ 10 ~ 30 ℃
Ịkwụsị ike (&) ≥10 -
Mgbatị na nkwụsị (&) 200 ~ 600% 200 ~ 400%
Ntọala mkpakọ 24 awa 70 (≯) 35% 40%
Njupụta 1.2 ~ 1.35 0.3 ~ 0.8
1. N'ihi uru nke njirimara nhazi nkeroba silicone, O nwere ikike ịnọgide na-enwe nkwụsi ike dị mma n'ime oge ụfọdụ na ọnọdụ okpomọkụ.E jiri ya tụnyere ndị mmekọ sịntetik ndị ọzọ, rọba silicone nwere ike iguzogide oke okpomọkụ nke -101 ruo 316 Celsius ma nọgide na-enwe mmetụta nrụgide.
2. Njirimara ndị ọzọ pụrụ iche nke elastomer nke ụwa a:nguzogide radieshon, mmetụta pere mpe nke dose disinfection;nguzogide vibration, fọrọ nke nta ka ọ bụrụ mgbe niile nnyefe ọnụego na resonance ugboro na -50 ~ 65 ° C;mma iku ume karịa ihe onwunwe polymers ndị ọzọ;ike dielectric 500V · km-1;ọnụego nnyefe <0.1-15Ω · cm;tọpụ ma ọ bụ nọgide na-enwe adhesion;ablation okpomọkụ 4982 ° C;obere ikpochapu mgbe ngwakọta kwesịrị ekwesị;adaba maka ngwa n'okpuru ụkpụrụ nchịkwa nri Ndochi nri;ihe na-egbochi ire ọkụ;enwere ike imepụta ngwaahịa na-enweghị agba na enweghị isi;ihe mgbochi mmiri;physiological inertness nke ise poisons na ọgwụ implants.
3. roba siliconeenwere ike ịme ka ọ bụrụ ngwaahịa nke agba dị iche iche dịka mkpa ndị ahịa na ihe nka chọrọ.
N'ozuzu anụ ahụ Njirimara Index
Oke ike siri ike 10 ~ 90
Ike tensile/MPa ruo 9.65
Mgbatị /% 100 ~ 1200
Ike akwa mmiri (DkB)/(kN·m﹣¹) Oke.122
Bashaud elastometer 10-70
Nrụgide na-adịgide adịgide 5% (ọnọdụ nnwale 180oC, 22H)
Okpomọkụ nso/℃ -101～316
3. TPV/TPE thermoplastic elastomer
Thermoplastic elastomer nwere ihe anụ ahụ na arụ ọrụ nke rọba vulcanized na nhazi nke rọba dị nro.Ọ bụ ebe n'etiti rọba na rọba.N'ihe gbasara nhazi, ọ bụ ụdị plastik;n'ihe gbasara akụrụngwa, ọ bụ ụdị roba.Thermoplastic elastomers nwere ọtụtụ uru karịa thermoset roba.
1. Njupụta ala nke thermoplastic elastomer(0.9 ~ 1.1g/cm3), si otú a na-azọpụta ego.
2.Nrụrụ mkpakọ alana magburu onwe ekwe ike ọgwụgwụ eguzogide.
3. Ọ nwere ike na-ekpo ọkụ welded iji melite mgbakọ mgbanwe na akara.
4. Ihe mkpofu ihe (na-agbanarị burrs, ihe mkpofu extrusion) na ihe mkpofu ikpeazụ emepụtara n'oge usoro mmepụta nwere ike weghachite ozugbo maka iji ya eme ihe, na-ebelata mmetọ gburugburu ebe obibi na ịgbasa isi mmalite ihe eji emegharị ihe.Ọ bụ ezigbo akwụkwọ ndụ akwụkwọ ndụ na ihe gbasara gburugburu ebe obibi.
Oge nzipu: Ọktoba 31-2023