Metal wrap pad abu ne da aka saba amfani da shi, wanda aka yi da ƙarfe daban-daban (kamar bakin karfe, jan ƙarfe, aluminum) ko raunin allo. Yana da kyawawa mai kyau da juriya mai zafi, juriya na matsa lamba, juriya na lalata da sauran halaye, don haka yana da aikace-aikace masu yawa a cikin masana'antar bawul.

Metal winding pad da wayo yana amfani da juriya na zafi, juriya da ƙarfin ƙarfe da laushin kayan da ba na ƙarfe ba, don haka aikin rufewa ya fi kyau, kuma aikin bakin karfen tef ɗin mai jujjuyawar kushin graphite shine mafi kyau. Matsakaicin ƙaddamarwa ya fi na asbestos winding pad, kuma babu wani lahani na yatsan ruwan asbestos fiber capillary. A cikin matsakaicin mai, ana amfani da 0Cr13 don ɗigon ƙarfe, yayin da 1Cr18Ni9Ti ana ba da shawarar ga sauran kafofin watsa labarai.

Bakin karfe tare da m graphite winding kushin a cikin gas matsakaici, da yin amfani da matsa lamba na 14.7MPa, a cikin ruwa za a iya amfani da har zuwa 30MPa. Zazzabi -190 ~ + 600 ℃ (idan babu oxygen, ana iya amfani da ƙananan matsa lamba zuwa 1000 ℃).

Kushin iska ya dace da masu musayar zafi, reactors, bututu, bawuloli, da famfo mashigai da fitilun magudanar ruwa tare da babban matsa lamba da canjin yanayin zafi. Don matsakaita ko mafi girma da yanayin zafi sama da 300 ° C, ya kamata a yi la'akari da amfani da zoben ciki, na waje ko na ciki. Idan an yi amfani da maƙarƙashiya da maƙarƙashiya, ƙwayar rauni tare da zobe na ciki ya fi kyau.

Hakanan ana iya samun sakamako mai kyau ta hanyar liƙa faranti masu sassauƙa na graphite a ɓangarorin ɓangarorin faifai masu sassauƙa. Tushen zafin datti na babban masana'antar takin zamani shine kayan aiki mai mahimmanci na babban zafin jiki da matsa lamba. Ana amfani da kushin iska mai sassauƙa mai sassauƙa tare da zoben waje, wanda baya zubowa lokacin da kaya ya cika, amma yana zubowa lokacin da aka rage nauyin. Ana ƙara farantin graphite mai kauri mai kauri 0.5mm a ɓangarorin biyu na gasket kuma a yanka a cikin siffar baka. Bangaren haɗin gwiwa an yi shi da haɗin gwiwar cinya na diagonal, wanda ke da amfani mai kyau.