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ARTIRUNDUM© is manufactured in three main series (A-Series, S-Series and M-Series) to provide different crystal characteristics and chemical compositions.  Each series is further configured into many other types by undergoing different processing and treatments to enhance the characteristics and performance.

A-Series

A-Series is regular titanium fused alumina.  The crystals are dense and big to provide high toughness for large stock removal that are most widely used.  The product codes begin with “AO” or “AC” like AOAD and ACB.

Typical Chemical Composition (AOAD F24)

Al2O3

96.37%

TiO2

2.75%

SiO2

0.50%

Fe2O3

0.10%

CaO

0.08%

MgO

0.20%

S-Series

S-Series is low titanium semi-friable fused alumina.  The crystals are big but not too tough for fast cutting while to allow working in heat sensitive conditions.  The product codes begin with “S” like SFR and SF.

Typical Chemical Composition (SF P24)

Al2O3

97.86%

TiO2

1.60%

SiO2

0.25%

Fe2O3

0.08%

CaO

0.06%

MgO

0.15%

M-Series

M-Series is high purity mono-crystal fused alumina.  Many of the grains are existed in single crystal form so that they are tough enough against tear strength for long usage life while they are able to work in heat sensitive conditions.  The product codes begin with “M” like MCFA.

Typical Chemical Composition (MCFA F36)

Al2O3

99.57%

TiO2

0.30%

SiO2

0.03%

Fe2O3

0.05%

Na2O

0.15%