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The stopper has the advantages of good erosion resistance and erosion resistance, stable flow control during casting, tight closure after casting, etc.

Stopper rod physical and chemical indicators

Physical and chemical indicators

TūemiTaurangi
SB45SB40
Ko Al2O3  %≥45≥40
C %≥20≥25
Flexural Strength MPa≥5.5≥5.5
Apparent porosity %≤19≤19
Bulk density g/cm3≥2.36≥2.2

Head Part

TūemiTaurangi
MC65MC60AC70AC65AC60MA70MA65
Ko Al2O3  %//≥70≥65≥60//
MgO %≥65≥60//////
Ko Al2O3+MgO %///// ≥70≥65
C %≥9≥12≥9≥12≥15≥8≥10
Bulk density g/cm3≥2.45≥2.4≥2.65≥2.6≥2.55≥2.6≥2.45
Te porosity %≤19≤19≤19≤19≤19≤19≤19

Rongsheng Kamupene Whakataki

Kaiwhakarato Whakaora Rongsheng
Kaiwhakarato Whakaora Rongsheng

Ko te Kamupene Rongsheng he kaiwhakarato ngaio o nga taonga whakaheke, me 10 tau o te wheako kaweake, Te kawe mai i te neke atu i te 80 whenua. The main products of Rongsheng Company include various refractory bricks, nga mea whakaahuru kore ahua, Nga rauemi metallurgical, thermal insulation materials, me etahi atu.

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