Manna na musamman donyumbu masu jure lalacewamanne ne na epoxy resin, wanda ake kira AB manne, wanda wani nau'in manne ne wanda ba na halitta ba, wanda galibi ake amfani da shi don yin yumbu na masana'antu don mannawa a kan kayan aikin ƙarfe na ƙarfe, yana taka rawar haɗa yumbu, yumbu ya dace da sassan ƙarfe, yana taka rawar rashin faɗuwa.
Manna yumbu manna ne, launinsa fari ne mai launin rawaya ko launin toka. Ya ƙunshi manne A da manne B, wanda aka raba zuwa manne na yanayin zafi na yau da kullun, manne na matsakaicin zafin jiki da manne mai zafi.
Rabon manne na manne na yanayin zafi na yau da kullun shine 1:1, kuma kewayon juriyar zafin jiki shine digiri -60 zuwa digiri 150. Rabon manne na manne na yanayin zafi na matsakaici shine 4:1, kuma zafin yana ƙasa da 200℃. Manne mai zafi abu ɗaya ne na manne, matsakaicin zafin amfani zai iya kaiwa digiri 300, wanda ya dace da yanayin aiki na kayan aiki mai zafi. Dangane da yanayin aiki na kayan aiki, don zaɓar manne na yumbu da ya dace.
Manna na yumbu bisa ga umarnin rabo mai kyau, zai warke da sauri, ana ba da shawarar amfani da shi cikin mintuna 40, don haka kar a saita shi da yawa a lokaci guda.
Lokacin manne na asali shine awanni 2, kuma ana iya mannen ya warke gaba ɗaya na tsawon awanni 8-10 kafin a yi amfani da shi ko a motsa shi da yumbu. Gabaɗaya, manne na lokacin rani yana da sauri, manne na lokacin hunturu yana da jinkiri, zaku iya amfani da fitilar yin burodi don dumama manne mai manne.
Lokacin Saƙo: Satumba-11-2023