Noritake

MENU

PRODUCTS

Core Material Characteristics

Core Material Characteristics

Material model N-200 ℃ MONARC NEW N600 N700
N400 N450 N500
Major composition SiO2-ZrSiO4 SiO2-ZrSiO4 SiO2-ZrSiO4-Al2O3 SiO2-Al2O3 SiO2-Al2O3 SiO2-ZrSiO4
Molding method Pouring method Method-pressure injection molding High-pressure injection molding

Shirinkage rate
(Sample:Total length 120mm)

0.2% 1.0% 1.0% 1.0% 0.9% 1.6%
Trace impurities(ppm)
Fe <300 <80 <80 <30 <200 <300
Pb <25 <25 <25 <25 <25 <25
Bi <1 <1 <1 <1 <1 <1
Ag <1 <1 <1 <1 <1 <1
Characteristic values
Porosity(%) 30 34 33 34 35 34
Thermal expansion rate(%) at 1,000℃ 0.25 0.25 0.25 0.25 0.10 0.25
Bending strength(Mpa)
at  RT 7 6 9 10 7 8
at 1,000℃ 24 20 25 24 20 22
Size(mm)
Maximum length ~L1000 ~L500 ~L300 ~L250
Minimum length 0.80 0.50 0.50 0.30
Cast type CC/DS/SC CC CC/DS/SC CC CC/DS/SC
 
 
 
 
 
 
 

Selection is made from among the above materials on the basis of the molten metal temperature, casting materials, and shape (size) of the cast product at customer’s request.