Dalilan kumfa suna bayyana bayan sake haduwa ko bayan wani lokaci
1. A surface wettability na substrate fim ne matalauta.Saboda rashin kyawun jiyya ko hazo na additives, rashin daidaituwa mara kyau da kuma rashin daidaituwar shafi na manne yana haifar da ƙananan kumfa.Kafin hadawa, ya kamata a gwada tashin hankali na farfajiyar fim ɗin.
2. Rashin isassun aikace-aikacen manne.Yana da mahimmanci saboda saman tawada ba daidai ba ne kuma maras kyau, ta yadda Adhesive yana tsotsewa.Ainihin adadin manne a saman tawada ya ragu, kuma adadin manne da aka yi amfani da shi akan fim ɗin bugawa tare da babban tawada da tawada mai kauri yakamata a ƙara.
3. Adhesive ba shi da kyau a cikin ruwa da bushewa, ko zafin jiki a wurin aiki ya yi ƙasa sosai.Canja wurin Adhesive da rashin ruwa mara kyau suna da haɗari ga kumfa.Ya kamata a zaɓi manne da kyau, kuma ya kamata a yi zafi sosai idan ya cancanta.
4. Lokacin da aka haxa manne da ruwa, babban abun cikin ruwa mai ƙarfi,babban zafi na iska da kuma babban danshi mai narkewa na iya sa Adhesive amsa don samar da CO2 da ke makale a cikin membrane mai hade da haifar da kumfa.Saboda haka, ya kamata a sarrafa manne da sauran ƙarfi da kyau, kuma nailan, Cellophane da Vinylon tare da babban danshi ya kamata a rufe su da kyau.
5. Yanayin bushewa ya yi yawa kuma bushewa yana da sauri sosai, yana haifar da blistering ko fim ɗin saman na Adhesive.Lokacin da yanayin zafi na kashi na uku na ramin bushewa ya yi yawa, sauran ƙarfi a saman Layer na Adhesive yana ƙafe da sauri, wanda ke haifar da haɓaka gida a cikin maida hankali na maganin manne saman da kuma ɓarkewar ƙasa.Lokacin da zafi na gaba ya shiga cikin cikin mannen, sauran abubuwan da ke ƙarƙashin fim ɗin ya yi tururi, ya keta fim ɗin ya samar da wani rami kamar zobe, kuma yana haifar da rashin daidaituwa.Opaque.
6.Ana danna abin nadi tare da iska, yana haifar da kumfa a cikin fim ɗin da aka haɗa.Fim ɗin yana da ƙarfi mai ƙarfi kuma yana da sauƙin shiga lokacin da kauri ya girma.Da farko, daidaita kusurwar kunsa tsakanin abin abin nadi da fim ɗin.Idan kusurwar kunsa ya yi girma sosai, yana da sauƙi don kama iska, kuma kuyi ƙoƙarin shigar da abin nadi a cikin hanyar tangent kamar yadda zai yiwu;Na biyu, flatness na biyu anti yi substrate yana da kyau, kamar sako-sako da gefuna da girgiza na fim.Bayan shigar da abin nadi mai hadewa, babban adadin iska ba makawa zai zama tarko, yana haifar da kumfa.
7. The saura sauran ƙarfi ne ma high, da sauran ƙarfi vaporizes samar da kumfa sandwiched a cikin fim.A kai a kai duba ƙarar iskar bututun bushewa.
Lokacin aikawa: Yuli-20-2023
