Specialty Frits for Vitreous Grinding Wheels

Our specialty glass frits are used in the vitrified bonds necessary to hold abrasives together in vitreous grinding wheels that utilize corundum, SG corundum, silicon carbide, cubic boron nitride (cBN) and diamond. 

Specialty frits for grinding wheels

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Ferro’s specialty glass frits are used to created vitrified bonds that help embed and bind abrasive grains together in traditional grinding wheels.  Our glass frits enable a proper bond designed to impart hardness, strength and optimal ability for efficient cutting.  

Grinding wheels made with vitrified bonds are very rigid, strong and porous. They remove stock material at high rates and grind to precise requirements.

Vitrified bonds using glass-ceramic frits will enable new sharp abrasive grains to be exposed as they wear and are expelled during the grinding process.  Ferro frits can be used in grinding wheels for wet or dry precision grinding applications on the hardest materials.

Our glass frits can be used alone or in combination with clay, kaolin, quartz, feldspar, nepheline syenite or wollastonite.

FERRO SPECIALTY FRITS FOR VITRIFIED BONDS IN CONVENTIONAL GRINDING WHEELS PROPERTY DATA  

These frits are recommended for the use in the production of conventional grinding wheels such as corundum,
SG corundum and Silicon Carbide (SiC).

Depending on the melting characteristics, frits can be suitable for normal firing conditions or for lower temperature
firing cycles.

      SOFTENING BEHAVIOR  COMPOSITION    
Product Number Density
g/cm3
Linear Coefficient of Thermal Expansion (20-400°C)
x 10-7/ K 
Transformation temperature °C  Beginning of softening°C  Half-ball temperature °C  Li2  Na2  K2  B2O3 
  Al2O3  CaO   MgO BaO    ZrO  SiO2   Application
90 158 M
90 158 F
90 158 E
 2.4  87  519  660  750    5-20%    >20%           >20% Corundum
90 167 M
90 167 F
 2.5  152  465  660  750  5-20%  5-20%  5-20%  5-20%  <5%       >20% Corundum
90 263 M
90 263 F 
 2.5  129  442  570  710
 5-20%  5-20%  >20%  5-20%  5-20%       >20% Corundum
90 328 F  2.2  49  495  795  1270
 5-20%    >20%  5-20%         >20% Corundum, SiC
90 404 F  2.5  62  540  750 920   5-20%    5-20%    5-20%  <5%    <5%  >20% Corundum, SiC
90 5735 F   2.6  96  490  580  680  <5%  5-20%  5-20%  >20%           >20% Corundum
90-3706909 (M)  2.8  105  490  620  720  <5%  5-20%  <5%  5-20%  <5%  5-20%  5-20%     >20% Corundum
90 739 F  2.7  57  710  920  1160           5-20%  5-20%  <5%  5-20%,   >20% SiC 

 

 

Particle size: M = medium, F = fine, E = extra fine



FRITS FOR VITREOUS GRINDING WHEELS - PRODUCT INFORMATION

Ferro Specialty Frits for Vitreous Grinding Wheels Product Data


 

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