1. Rubber eke (NR)
Njirimara arụmọrụ
Ngbanwe: Tensile elongation ruo 1000%, nwere ezigbo nkwụghachi azụ (nkwụghachi azụ> 70%).
Mechanical Ike: Ike nkwụsịtụ sitere na 20-30 MPa, nkwụsị anya mmiri na 50-60 kN / m.
Oke okpomọkụ: -5 ogo ruo ogo 80 (oke okpomọkụ ọrụ).
Nguzogide kemịkalụ: Na-enwe ike ịnweta mmanụ, ozone, na acids/bases siri ike.
Ngwa a na-ahụkarị
Taya pneumatic (na-agụta 70% nke oriri NR zuru ụwa ọnụ), ndị na-ama jijiji, na eriri ebuga na gburugburu ndị na-abụghị{1} mmanụ.
2. Nitrile Butadiene Rubber (NBR)
Njirimara arụmọrụ
Nguzogide mmanụ: Ọnụ ọzịza<10% in ASTM #3 oil at 70°C for 70h.
Ihe eji arụ ọrụ: Ike nkwụsị 15-25 MPa, na-enwe ezigbo nguzogide abrasion.
Oke okpomọkụ: - ogo 20 ruo ogo 100 (obere oge ruo ogo 120).
Oke: Ozone adịghị mma na mgbanwe okpomọkụ dị ala{{0}.
Ngwa a na-ahụkarị
Akara maka injin ụgbọ ala, sọks mmanụ ọkụ, na gaskets na akụrụngwa petrochemical.
3. Silicone roba (VMQ)
Njirimara arụmọrụ
Oke okpomọkụ: -60 ogo na ogo 250 (ọrụ na-aga n'ihu), na nkwụsi ike nke okpomọkụ ruo ogo 300.
Biocompatibility: USP Class VI kwadoro maka ngwa ahụike.
Oke: Ike anya mmiri dị ala (<10 kN/m) and poor oil resistance.
Ngwa a na-ahụkarị
Kateta ahụike, akara ikuku ikuku, na gasiketị dị elu{0} na nrụpụta semiconductor.
4. Chloroprene roba (CR)
Njirimara arụmọrụ
Nguzogide ihu igwe: Ozone resistance class A (ASTM D1149), UV stability >Afọ 5 n'èzí.
Oke okpomọkụ: -30°C to 100°C, with flame-retardant properties (oxygen index >38).
Mechanical Ike: Ike nkwụsi ike 25-35 MPa, nkwụsị anya mmiri 30-40 kN / m.
Ngwa a na-ahụkarị
Ihe mkpuchi waya na eriri, mkpuchi mkpuchi ụlọ, na eriri ọkụ ọkụ.
5. Fluoroelastomer (FKM)
Njirimara arụmọrụ
Nguzogide kemịkalụ: Na-eguzogide H₂SO₄ (98%), NaOH (50%), na mmanụ ụgbọ elu.
Oke okpomọkụ: - ogo 20 ruo ogo 260 , na nkwụsi ike dị mkpirikpi ruo ogo 300 .
Ihe eji arụ ọrụ: Ike mgbagharị 15-20 MPa, ntọala mkpakọ<20% at 200°C for 70h.
Ngwa a na-ahụkarị
Akara kemịkalụ reactor, ihe injin ikuku, na ngwa mmanụ ala.
Ntuziaka nhọrọ ihe
| Achọrọ arụmọrụ | Ụdị rọba akwadoro |
|---|---|
| Nnukwu elasticity / eyi nguzogide | Rubber eke (NR) |
| Mgbochi mmanụ / mgbasa ozi | Nitrile Butadiene rọba (NBR) |
| Oke oke nnabata okpomọkụ | rọba silicone (VMQ) |
| Ọnọdụ ihu igwe dị n'èzí | Chloroprene roba (CR) |
| gburugburu kemịkalụ siri ike | Fluoroelastomer (FKM) |
Ntụle ntule a na-egosi mkpa ọ dị ijikọta ihe eji eme rọba na ihe arụ ọrụ chọrọ. Ndị injinia na ndị ọkà mmụta sayensị ihe onwunwe nwere ike itinye usoro a iji kwalite ntụkwasị obi akụrụngwa yana ọnụ ahịa okirikiri ndụ n'akụkụ ụlọ ọrụ mmepụta ihe dị iche iche.
