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Medium-pressure Injection Molded Ceramic Cores "℃ MONARC"

Ceramics & Materials

 

 
 
 
C-MONARC_1

Noritake has succeeded in developing new Ceramic Cores with excellent reactivity resistance manufactured in medium-pressure injection molding.

 
 
 
C-MONARC_2

The newly developed "℃ MONARC" series of Ceramic Cores are truly outstanding cores with excellent dimensional stability at high temperature.

 
 
 
 

Features

  • High Reactivity Resistance
    The high-purity material is newly introduced to achieve cores with excellent reactivity resistance! It reduces reactivity defects at the interface area.
  • Reducing Mold Cost and Maintenance Cost 
    It enables molding with 1/5 to 1/10 less pressure compared to high-pressure injection molding method thereby contributing to the reduction of various costs such as metal die and anti-abrasion coating, etc.
  • Compatible with Your Existing Die
    By adjusting the shrinkage rate, you can use your existing die made by other manufacturers. We offer trial service using your existing die. (Some dies require modifications at extra cost.)
 
 
 
Material model ℃ MONARC
N400 N450 N500
Major composition SiO2-ZrSiO4 SiO2-ZrSiO4 SiO2-Al2O3
Manufacturing method Medium-pressure injection molding
Shirinkage rate (Sample:Total length 120mm) 1.0% 1.0% 1.0%
Trace impurities(ppm) Fe <80 <80 <30
Pb <25 <25 <25
Bi <1 <1 <1
Ag <1 <1 <1
Characteristic values Porosity 34 33 34
Themal expansion at 1,000℃ 0.25 0.25 0.15
Bending strengs(Mpa) at RT 6 9 10
at 1,000℃ 20 25 24
Size Maximum length ~L500mm
Minimum thickness 0.50mm
Cast Type CC CC/DS/SC
 
 
 

<Comparison with existing products>

 
 
 
 
Material model N200 ℃ MONARC N600 N700
N300 N400 N500
Manufacturing method Pouring method medium-pressure injecsion molding High-pressure injecsion molding
Core properties Reacitivity resistance ★★★ ★★★ ★★★+ ★★ ★★
Smoothness of the product sueface ★★★ ★★★ ★★★ ★★★ ★★★
High temperature creeping ★★★ ★★★ ★★ ★★
Costs Manufacturing Cost ★★★ ★★
Mass Productivity ★★★ ★★
Jig costs Die costs ★★★ ★★★
Die life ★★★ ★★★
 
 
 

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