A cikin 'yan shekarun nan, sabon iri refractory kayan - yumbu refractory silicone roba da yumbu refractory silicone rubber composite bel ana amfani da samar da refractory igiyoyi, wanda m warware matsalolin na sama iri biyu.refractory igiyoyi.
1. Halayen yumbu refractory silicone roba
Rubber Silicone mai jujjuya yumbu ana yin ta ta ƙara kayan aiki zuwa babban zafin zafin zafin jiki (HTV) roba silicone.Babban juriya da ƙarancin zafin jiki, juriya tsufa na ozone, juriya tsufa na yanayi, kyakkyawan aikin rufin lantarki da kyakkyawan aikin sarrafawa;a karkashin babban zafin wuta ablation, da silicone roba hada cakuda kara da kayan aiki samar da wani wuya yumbu makamai kariya Layer, Yana iya taka rawar da harshen warewa, wuta rigakafin, rufi, zafi rufi, ruwa rufi da girgizar kasa juriya, don haka tabbatar da santsi. kwararar wutar lantarki da sadarwa idan gobara ta tashi.
2. Tsarin juriya na wuta da juriya na wuta na yumbu refractory silicone roba
Ana juya kayan polymer na yau da kullun zuwa toka bayan zubar da wuta, kuma ba za a iya juya su zuwa abubuwan yumbu ba;yumbu mai hana wuta da robar silicone mai jujjuyawa ana iya sinteta a babban zafin jiki mara wuta sama da 500°C da harshen wuta sama da 620°C. Tsawon lokacin ƙaddamarwa da kuma mafi girman zafin jiki, mafi mahimmancin tasirin ceramization shine, kuma yawan zafin jiki na iya kaiwa har zuwa 3000℃;yumbu mai jure wuta da robar silicone mai jujjuyawa ana iya samar da kayan aikin roba na al'ada.The ƙãre samfurin yana da duk kaddarorin silicone roba da kuma yana da kyau processability.
Abu ne mai haɗaka wanda za'a iya siffanta shi a babban zafin jiki ta ƙara silicone roba.Yana kula da duk halaye na roba na silicone a dakin da zafin jiki.Lokacin cin karo da zafi mai zafi sama da 500℃da zafin wuta sama da 620℃, za a rikide zuwa yumbun inorganic.Irin wannan nau'in yumbura yana da fa'ida ta yumbu mai yumbu, ƙwanƙwasa zafi, wutan wuta, rufin ruwa, juriya mai girgiza, da ƙananan hasara na thermal.
yumbu mai jure wuta da robar silicone mai jujjuyawa ba mai guba bane kuma mara wari a dakin da zafin jiki, yana da laushi mai kyau da elasticity, da kyakkyawan juriya na danshi da juriya na sha ruwa.Yana da halayen silicone roba.Za'a iya kona robar siliki mai jujjuya yumbu da wuta Bayan ya kona tsawon mintuna 2-4, sai ya fara shiga cikin wani harsashi mai sulke mai kauri mai kauri.Ƙunƙarar rufin wannan harsashi mai sulke mai kaman yumbu mai kauri zai iya hana harshen wuta daga ci gaba da ƙonewa;kuma ya karye gaba daya bayan an kona shi kamar minti 2.Hayaki, a cikin tsarin zubar da ciki na gaba, ba za a haifar da hayaki da kansa ba;hayakin da aka samar a cikin mintuna 2 na farko shima ba shi da halogen, mara guba, kuma mara lahani;hayakin yana da ƙarfi da ƙarfi da ke haifarwa bayan konewar siliki na siliki, Konewar yumbu mai kama da ƙonawa harsashi ne mai wuya kuma iri ɗaya.Irin wannan abu yana da kyakyawan ƙulli, daɗaɗɗen zafi, juriya na wuta da juriya na wuta, kuma yana iya jure girgiza da girgiza, da hana shigar ruwa.Yana tabbatar da sassaucin layin layi a cikin yanayin fesa da rawar jiki.
Ceramic refractory silicone rubber composite belt
The yumbu refractory silicone rubber composite tef an yi shi ta hanyar haɗa yumbu mai juriya da wuta da siliki mai jujjuyawa zuwa zanen fiber gilashi mai zafi mai zafi bisa ga wani kauri ta hanyar haɗin gwiwa, bayan yanke, da kuma nannade shi akan mai jure wuta. da waya mai jujjuyawa da kebul.
Halayen yumbu refractory silicone roba da yumbu refractory silicone roba hada bel:
1. Kyakkyawan rufin lantarki: na iya isa ga kayan lantarki na XLPE da EPDM: ƙarfin juriya na iya isa 2×1015Ω·cm, rushewar ƙarfi 22-25KV/mm, dielectric asarar tangent 10-3, dielectric akai-akaiδ: 2-3.5, za a iya amfani dashi don rufi;
2. Kyakkyawan juriya mai girma da ƙananan zafin jiki: zafin aiki na dogon lokaci -70 ~ 200°C, rayuwar sabis na iya kaiwa shekaru 5-50 bisa ga yanayin muhalli daban-daban;ya fara taurare sama da 350°C, kuma za'a iya amfani dashi na dogon lokaci a cikin yanayi mai tsayi;
3. Juriya ga lemar sararin samaniya da hasken ultraviolet: babu buƙatar ƙara magungunan anti-tsufa da antioxidants, kuma rayuwar sabis na iya kaiwa fiye da shekaru 30-50 a dakin da zafin jiki;
4. Abubuwan da ke da alaƙa na musamman: ƙimar shayar ruwa 0.17%, tare da ƙarancin hygroscopicity da ƙarancin ruwa, aikin anti-mildew mai kyau, rashin tsayawa ga kayan da yawa;
5. Abokan muhalli: marasa halogen, ƙarfe mai nauyi, mara guba, mara daɗi, kuma ba shi da tasiri a jikin ɗan adam da muhalli;
6. Kyakkyawan juriya na lalata sinadarai, hana ruwa da juriya mai;
7. Kyakkyawan hydrophobicity, gurɓataccen juriya da juriya na creepage;
8. Kyakkyawan aiki mai kyau: sauƙin sarrafawa kamar haɗuwa, kafawa, calending, extrusion, gyare-gyare, da dai sauransu, da kuma ruwa na kayan roba yana da kyau;
9. A halin yanzu gubar hayaki shine mafi daraja ZA1 a tsakanin kayan polymer, musamman na USB, wato hayakin bayan konewa ana shakar da beraye na tsawon mintuna 30, kuma babu wani canji a cikin kwanaki uku;
10. Kyakkyawan rufin zafi mai kyau, haɓakar thermal 0.09W / Mk, musamman bayan zubar da ciki, ciki shine nau'in nau'in zuma na zuma, wanda ya fi dacewa da juriya na wuta da zafi;
11. Kyakkyawan jinkirin harshen wuta: ƙarancin wuta zai iya kaiwa matakin UL94V-0, ma'aunin oxygen yana sama da 28, kuma mafi girma zai iya kaiwa sama da 40.5;
12. Bayan konewar zafin jiki mai zafi, ana iya harba shi a cikin siffar yumbu don samar da sulke mai wuyar yumbu don kare kullun da ke kewaye.Wannan shine mafi girman fasalin "juyin juya hali" na yumbu mai jure wuta da robar silicone mai jujjuyawa.Mafi girman zafin jiki, mafi tsayin lokacin zubar da ciki, da sulke na yumbu Mafi wuyar jiki;yana da kyau fiye da tef ɗin mica, wanda ya zama mai tauri da raguwa bayan ƙonewa kuma ya faɗi cikin sauƙi;
13. Wuta mai juriya da wuta da waya da kebul ɗin da aka samar da yumbu mai hana wuta da siliki na siliki mai ƙarfi da yumbu mai hana wuta da tef ɗin siliki mai jure wuta na iya kaiwa matakin A-matakin GB12666.6, wato ƙone a cikin harshen wuta na 950 ~ 1000℃na 90min, 3A fuse Babu fusing;Hakanan zai iya kaiwa matakin CWZ na Burtaniya BS6387, wato, C-yana ƙonewa a cikin harshen wuta a 950°C na 3 hours, W-ruwa, Z-girgiza;
14. Ƙananan ƙananan (1.42-1.45), ƙananan farashi da babban farashi;
15. Dangane da halayen da ke sama, zai iya maye gurbin gaba ɗaya tef na mica, ba kawai don ƙananan ƙananan wuta da igiyoyin wuta ba, amma har ma da matsakaici da ƙananan wuta da igiyoyi da igiyoyi.
Lokacin aikawa: Maris-20-2023