Marmara sassa: An yi da "Jinan Qing" dutse ta hanyar inji da kuma hannu refining. Black gloss, tsari, daidai tsari, kyakkyawan kwanciyar hankali, babban ƙarfi, high tauri, iya kiyaye high daidaito a cikin nauyi nauyi da kuma general zafin jiki, kuma yana da m, acid-alkali juriya, wear juriya, ba magnetization, ba canji da sauran amfanin.

Marmara kayan fasali:

1, marmara abubuwa bayan dogon lokaci shekarwa, tsarin tsari daidai, line inflation factor karami, ciki damuwa ya ɓace, ba deformation.

2, mai kyau rigidity, high tauri, m wear juriya, zazzabi karkatarwa karami.

3, ba tsoron acid da lalacewa, ba za a tsagi, ba dole ne a rufe man fetur, ba sauki m ƙura, kulawa mai sauki da kulawa, dogon rayuwa.

4, babu wani scratch bayyana, ba tare da zafin jiki yanayi toshe, a yau da kullun zafin jiki ma iya kiyaye ma'auni daidaito.

5, ba magnetization, a lokacin ma'auni za a iya motsawa da sauƙi, babu hankali, ba tare da tasirin zafi ba, da kwanciyar hankali mai kyau.

jiki siffofin marmara sassa:

1, rabo; 2970-3070kg/m3

2, matsin lamba juriya ƙarfi: 2500-2600kg / cm3

3, karfi factor: 1.3-1.5 × 106kg / cm2

4, ruwa sha kudi: <0.13%

5, Shao-style tauri: HS70 kuma sama