Hot-narke foda don tufafi gabaɗaya yana nufin tpu polyurethane na tushen adhesives. Matsakaicin narkewa gaba ɗaya yana kusa da digiri Celsius 110. Wannan zafin jiki zai narke foda daga barbashi zuwa gel.
Bambanci tsakanin narke mai zafi na gargajiya da foda na canja wurin zafi na dijital:
1. Canja wurin zafi na gargajiya baya buƙatar narke cikin canjin zafi na dijital. Babban dalili shi ne, glycerin da ruwan da ke cikin tawada da ake amfani da su wajen canja wurin zafi na gargajiya ba su da girma sosai, kuma ana buƙatar canja wurin zafi na dijital gabaɗaya, in ba haka ba mai zai dawo.
2. The gargajiya zafi-narke foda barbashi ne in mun gwada da girma, wato, m foda a halin yanzu dijital zafi canja wurin foda, tare da wani m size of 120-250 microns. A dijital zafi canja wurin foda barbashi kullum amfani da karin matsakaici foda da lafiya foda, da kuma lafiya foda barbashi ne kullum A 80-160 microns, girman da matsakaici foda ne 100-200 microns, da ya fi girma da barbashi size, da mafi alhẽri da sauri. , kuma jin hannun yana da wuya.
3. Abubuwan sinadaran sun ɗan bambanta. Za'a iya zaɓar foda mai zafi na gargajiya don ƙara foda tare da nau'o'in nau'i daban-daban bisa ga bukatun da ake bukata don cimma sauri daban-daban, jin daɗin hannu da ƙarfin ƙarfi; dijital zafi canja wurin foda ne yafi high-tsabta tpu foda, tsarki tpu foda ne comprehensively magana na hannu ji, azumi, The tensile karfi ne mafi matsakaita, wanda ya sadu da bukatun mafi yawan al'amura; Ana amfani da wasu gauraye masu gauraye a kasuwa don canja wurin zafi don rage farashi ko cimma takamaiman tasiri, amma za a sami matsaloli a cikin digiri daban-daban, irin su rashin ƙarfi da sauri tare da jin dadi mai kyau , ƙarfin rufewa mai rauni, mai sauƙi don zubarwa, ko gauraye da wasu arha foda, zai ji wuya da sauƙi don fashe.
Yadda za a bambanta ingancin zafi mai narkewa:
1. Dubi launi. Mafi girman bayyanar launi da fari, mafi kyau, yana nuna cewa tsarki ya fi kyau. Idan ya juya rawaya da launin toka, ana iya mayar da shi foda ko gauraye foda, wanda zai haifar da rashin jin daɗi na hannu, da sauƙin karyewa, da pores.
Kwatanta powders guda biyu:
2. Dubi shimfidar wuri bayan bushewa. Mafi kyawun lebur, mafi tsarki kuma mafi kyawun ƙarfin ƙarfi.
3. Dubi matakin mannewa yayin aikin bugu. Mafi m foda ne, mafi muni da ingancin foda zai zama. Za a yi dauri ko a mayar da shi cikin tanda ko kuma za a sami foda iri-iri.
4. Bayan hatimi mai zafi, ja da gogewa sosai don ganin juriya, juriya yana da sauri, an fi son tsarki, kuma tsarki yana da girma.
