PL135210B1 - Mould and core sand mix - Google Patents

Mould and core sand mix Download PDF

Info

Publication number
PL135210B1
PL135210B1 PL23689482A PL23689482A PL135210B1 PL 135210 B1 PL135210 B1 PL 135210B1 PL 23689482 A PL23689482 A PL 23689482A PL 23689482 A PL23689482 A PL 23689482A PL 135210 B1 PL135210 B1 PL 135210B1
Authority
PL
Poland
Prior art keywords
weight
mould
core sand
sand mix
hydroxide
Prior art date
Application number
PL23689482A
Other languages
Polish (pl)
Other versions
PL236894A1 (en
Inventor
Zenon Ignaszak
Adam Baranowski
Original Assignee
Politechnika Poznanska
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 Politechnika Poznanska filed Critical Politechnika Poznanska
Priority to PL23689482A priority Critical patent/PL135210B1/en
Publication of PL236894A1 publication Critical patent/PL236894A1/en
Publication of PL135210B1 publication Critical patent/PL135210B1/en

Links

Landscapes

  • Mold Materials And Core Materials (AREA)

Claims (1)

1. Zastrzezenie patentowe Masa formierska i rdzeniowa zawierajeca piasek kwarcowy, wodorotlenek lub tlenek gli¬ nu 1 spoiwo krzemianowe sodowe lub potasowe, znamienna tym, ze oprócz pias¬ ku kwarcowego 1 spoiwa krzemianowego zawiera wodorotlenek glinu strecony z alkalicznego roztworu glinianów, lub otrzymany przez prazenie tego wodorotlenku tlenek glinu zawie¬ rajecy nie mniej niz 98,5% wagowych Al203 i wagowo nie wiecej niz 0,05% SiOp, 0,06% Fe203, 0,0003% P2°5' °»03% Zn0» 0*62» tlenków metali alkalicznych, w postaci 10 do 50% wagowych, korzystnie 30% wagowych* PL1. Patent claim Molding and core material containing quartz sand, alumina hydroxide or oxide 1 sodium or potassium silicate binder, characterized in that, in addition to quartz sand and silicate binder, it contains aluminum hydroxide, trimmed from an alkaline solution of aluminates, or obtained by pressing of this hydroxide, alumina containing not less than 98.5% by weight of Al 2 O 3 and not more than 0.05% by weight SiOp, 0.06% Fe 2 O 3, 0.0003% P2 ° 5 '° 3% Zn0.0 * 62 »Alkali metal oxides, in the form of 10 to 50% by weight, preferably 30% by weight * PL
PL23689482A 1982-06-11 1982-06-11 Mould and core sand mix PL135210B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL23689482A PL135210B1 (en) 1982-06-11 1982-06-11 Mould and core sand mix

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL23689482A PL135210B1 (en) 1982-06-11 1982-06-11 Mould and core sand mix

Publications (2)

Publication Number Publication Date
PL236894A1 PL236894A1 (en) 1984-02-13
PL135210B1 true PL135210B1 (en) 1985-10-31

Family

ID=20012986

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23689482A PL135210B1 (en) 1982-06-11 1982-06-11 Mould and core sand mix

Country Status (1)

Country Link
PL (1) PL135210B1 (en)

Also Published As

Publication number Publication date
PL236894A1 (en) 1984-02-13

Similar Documents

Publication Publication Date Title
ZA838707B (en) Alkali metal silicate binder compositions
GB1537297A (en) Acid-resistant cement
CA2000193A1 (en) Low cement refractory
DE68901939D1 (en) THIN CERAMIC PARTS, RECEIVED BY MELTING AND POURING A COMPOSITION FROM THE AL2O3-ZRO2-SIO2-K2O SYSTEM.
AR246496A1 (en) Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation
AU571754B2 (en) Sintered aluminous abrasive particles
JPS54150433A (en) High refractory* high strength alumina cement in alkaline environment
GB1488916A (en) Electrically insulating composition
FR2731700B1 (en) ALUMINA-BASED SINTER CERAMIC, MANUFACTURING PROCESS AND FRICTION PARTS THUS OBTAINED
DE59904328D1 (en) FIRE-RESISTANT CERAMIC MASS AND ITS USE
US3717488A (en) Hydration of silicates
Beaudoin et al. Flexural strength of cement paste composites containing micron and sub-micron nickel particulates
Kato et al. Sinterability of alumina powders prepared in different processes from hydrated sulfate
SU483378A1 (en) Ceramic material
GB1341720A (en) Porous alumina-base ceramic bodies
Kanai et al. Effect of composition on sintering and bending strength of spinel ceramics
EP0044763A3 (en) Compositions for silicate-bonded foundry moulds and cores
JPS6461324A (en) Magnetic particulate powder and production thereof
JPH0717429B2 (en) Cement mortar and admixture for producing cement mortar
JPS57100837A (en) Refractory material for collapsible mold
Azizian Improving the performance of cement-free castables
JPS5781938A (en) Manufacture of exothermic self-hardening water-soluble mold
RU1398218C (en) Moulding sand
RU2001107460A (en) RAW MIXTURE FOR THE PRODUCTION OF CERAMIC PRODUCTS, PREVIOUSLY BRICK
Lendlein et al. THE MANUFACTURE AND APPLICATIONS OF ALUMINIUM OXIDES IN THE CERAMIC INDUSTRY