Ọtụtụ ụzọ njirimara rọba nkịtị

1. Nguzogide ule ibu ibu ọkara

Enwere ike ịchọta ngwaahịa a gwụchara, tinye ya na otu ma ọ bụ ọtụtụ mgbasa ozi ahọpụtara, tụọ mgbe ụfọdụ okpomọkụ na oge, na ụdị ihe nwere ike ịchọta dịka mgbanwe mgbanwe dị arọ na ọnụego mgbanwe siri ike.

Dị ka ihe atụ, na-emikpu na 100 degrees mmanụ maka 24 awa, NBR, fluorine roba, ECO, CR nwere a obere mgbanwe àgwà na ike siri ike, mgbe NR, EPDM, SBR ihe karịrị okpukpu abụọ na ibu na mgbanwe na ike siri ike nke ukwuu, na olu mgbasawanye. doro anya.

2. Nnwale ịka nká na-ekpo ọkụ

Were ihe nlele sitere na ngwaahịa emechara, tinye ha n'ime igbe ịka nká maka otu ụbọchị, wee hụ ihe ahụ mgbe ịkachara ahụ.Enwere ike iji nwayọọ nwayọọ mụbaa ịka nká.Dịka ọmụmaatụ, CR, NR, na SBR ga-agbaji na ogo 150, ebe NBR EPDM ka na-agbanwe.Mgbe okpomọkụ na-ebili na 180 degrees, NBR nkịtị ga-agbaji;na HNBR ga-agbajikwa na ogo 230, na roba fluorine na silicone ka nwere ezigbo ngbanwe.

3. Ụzọ nsure ọkụ

Were obere nlele wee gbaa ya ọkụ n'ikuku.debe ihe omume.

N'ikwu okwu n'ozuzu, fluorine roba, CR, CSM enweghị ọkụ, ọ bụrụgodị na ire ọkụ na-ere ọkụ, ọ dị obere karịa NR na EPDM izugbe.N'ezie, ọ bụrụ na anyị elee anya nke ọma, ọnọdụ ọkụ, agba, na isi ísì na-enyekwa anyị ọtụtụ ozi.Dịka ọmụmaatụ, mgbe ejikọtara NBR/PVC na gluu, mgbe enwere isi iyi ọkụ, ọkụ na-efesa ma yie ka ọ dị ka mmiri.Ekwesiri ighota na mgbe ufodu oku na-adighi nma ma gluu na-enweghị halogen ga-emenyụkwa onwe ya n'ọkụ, nke a ga-eji ụzọ ndị ọzọ chọpụta ya.

4. Ịtụ ike ndọda kpọmkwem

Jiri nha eletrọnịkị ma ọ bụ nguzozi nyocha, ziri ezi ruo gram 0.01, gbakwunyere otu iko mmiri na ntutu.

N'ikwu okwu n'ozuzu, roba fluorine nwere nnukwu ike ndọda, karịa 1.8, na ọtụtụ ngwaahịa CR ECO nwere oke dị elu karịa 1.3.Enwere ike ịtụle gluu ndị a.

5. Usoro okpomọkụ dị ala

Were ihe nlele sitere na ngwaahịa emechara ma jiri ice kpọrọ nkụ na mmanya na-aba n'anya mepụta gburugburu ebe obibi cryogenic kwesịrị ekwesị.Tinye ihe nlele ahụ na ọnọdụ okpomọkụ dị ala maka nkeji 2-5, nwee mmetụta dị nro na ike na okpomọkụ ahọrọ.Dịka ọmụmaatụ, na -40 degrees, a na-atụnyere otu okpomọkụ dị elu na mmanụ na-eguzogide silica gel na fluorine roba, na silica gel dị nro.