An yi gyaran allon rufewa na phenolic da kumfa mai phenolic.Babban abubuwan da ke tattare da shi shine phenol da formaldehyde.Kumfa Phenolic sabon nau'in mai hana wuta ne, mai hana wuta da ƙarancin hayaki (ƙarƙashin ƙayyadaddun yanayi).An yi shi da guduro mai phenolic tare da wakili mai kumfa, Rufe-kwayoyin kumfa mai ƙarfi wanda aka yi da wakili mai warkarwa da sauran abubuwan ƙari.Phenolic kumfa shi ne guduro mai phenolic a matsayin babban kayan danye, yana ƙara wakili mai warkarwa, mai yin kumfa da sauran abubuwan taimako, yayin da resin yana haɗe-haɗe kuma yana da ƙarfi, wakilin kumfa yana haifar da iskar gas da aka watsa a cikinsa kuma yana kumfa don samar da kumfa.Gyaran allon rufewar wuta na phenolic yana da kyawawan kaddarorin da yawa:
(1) Yana da tsari mai rufaffiyar rufaffiyar tantanin halitta, ƙarancin ƙarancin zafin jiki, da aikin rufewa na thermal daidai da polyurethane, mafi kyau fiye da kumfa polystyrene;
(2) A ƙarƙashin aikin kai tsaye na harshen wuta, akwai samuwar carbon, babu dripping, babu nadi, kuma babu narkewa.Bayan harshen wuta ya ƙone, an kafa wani Layer na "graphite kumfa" a saman, wanda ya kare tsarin kumfa a cikin Layer kuma yana tsayayya da shigar wuta.Lokaci na iya zama har zuwa 1 h;
(3) Iyalin aikace-aikacen yana da girma, har zuwa -200～200 ℃, kuma ana iya amfani dashi na dogon lokaci a 140～160 ℃;
(4) Kwayoyin phenolic suna da carbon, hydrogen, da oxygen atom.Lokacin da suka lalace a babban zafin jiki, babu wasu iskar gas mai guba sai ƙaramin adadin CO. Matsakaicin yawan hayaki shine 5.0%;
(5) Bugu da ƙari, kasancewar alkalis mai ƙarfi yana lalata shi, kumfa mai phenolic zai iya jure kusan dukkanin inorganic acid, Organic acid, da sauran kaushi.Tsawon lokaci mai tsawo ga rana, babu wani abin da ya faru na tsufa a fili, idan aka kwatanta da sauran kayan kariya na thermal, rayuwar sabis ɗin ta ya fi tsayi;
(6) Yana da tsarin rufaffiyar rufaffiyar sel mai kyau, ƙarancin shayar ruwa, ƙaƙƙarfan shigar da tururi mai ƙarfi, kuma ba ta da ƙarfi yayin ajiyar sanyi;
(7) Girman girman yana da ƙarfi, ƙimar canji kaɗan ne, kuma yawan canjin girman ya kasance ƙasa da 4% a cikin kewayon zafin amfani.
Gyaran allo mai hana wuta da aka gyara ya zama babban jigon aikace-aikacen sa a matsayin abin da ke hana zafi da kayan gini na wuta.Ana amfani da shi sosai a cikin tsarin rufin bango na waje: tsarin plastering na bakin ciki don bangon waje, rufin bangon gilashin gilashi, kayan ado na ado, bangon bango na waje da bel ɗin wuta, da dai sauransu.
Lokacin aikawa: Agusta-09-2021