RO103696B1 - Material antiretasura - Google Patents

Material antiretasura

Info

Publication number
RO103696B1
RO103696B1 RO139147A RO13914789A RO103696B1 RO 103696 B1 RO103696 B1 RO 103696B1 RO 139147 A RO139147 A RO 139147A RO 13914789 A RO13914789 A RO 13914789A RO 103696 B1 RO103696 B1 RO 103696B1
Authority
RO
Romania
Prior art keywords
ingot
grain size
shrinkage material
soothed
pulverulent
Prior art date
Application number
RO139147A
Other languages
English (en)
Other versions
RO103696A2 (en
Inventor
Margareta Negrutac
Ionica Moicean
Adriana-Lucia Pacurar
Eugenia Ghita
Gheorghe Evanics
Vasile Hristu
Original Assignee
îNTREPRINDEREA DE PRODUSE REFRACTARE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by îNTREPRINDEREA DE PRODUSE REFRACTARE filed Critical îNTREPRINDEREA DE PRODUSE REFRACTARE
Priority to RO139147A priority Critical patent/RO103696B1/ro
Publication of RO103696A2 publication Critical patent/RO103696A2/ro
Publication of RO103696B1 publication Critical patent/RO103696B1/ro

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  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Mold Materials And Core Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Inventia se refera la un material antiretasura, utilizat, în special, la turnarea otelurilor calmate în lingotiera. Materialul conform invnetiei este constituit din componente pulverulente si fibroase, compactate sub forma unor placi, având dimensiuni corespunzatoare lingotierei si este compus în procente de greutate, din 45...60% nisip cuartitic, cu granulatia de 0,1...0,2 mm; 10...5% perlit expandat cu granulatie 1...0,2 mm; 10...20% deseu de hârtie; 5% argila refractara cu granulatie de max 10% rest pe sita 0,09 mm; 5...10% lignosulfonat de sodiu pulbere; 5...10% amidon.
RO139147A 1989-04-10 1989-04-10 Material antiretasura RO103696B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO139147A RO103696B1 (ro) 1989-04-10 1989-04-10 Material antiretasura

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO139147A RO103696B1 (ro) 1989-04-10 1989-04-10 Material antiretasura

Publications (2)

Publication Number Publication Date
RO103696A2 RO103696A2 (en) 1991-12-09
RO103696B1 true RO103696B1 (ro) 1992-03-25

Family

ID=20124439

Family Applications (1)

Application Number Title Priority Date Filing Date
RO139147A RO103696B1 (ro) 1989-04-10 1989-04-10 Material antiretasura

Country Status (1)

Country Link
RO (1) RO103696B1 (ro)

Also Published As

Publication number Publication date
RO103696A2 (en) 1991-12-09

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