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See also; .Ceramics Restoration Supplies  or Ceramics Restorers 

Ceramic Restorations

The repair or restoration of ceramics is generally divided in glazed and unglazed repairs, with a further division between restorations in which the old parts are all put into location but the missing parts remain missing or remain visible.
While a total repair is generally a restoration of the excising parts blended with the newly added parts aiming at a total invisible repair.
 
Generally the broken parts are bonded together using an epoxy, such as, T-88, the mixture and coloration of which depends upon the required result, e. i. for parisian-ware the epoxy is mixed with powdered porcelain to the required color and transparency so that there is no visual difference between the hardened epoxy mixture and the original parisian ware, that way any holes or chips filled during the bonding will be invisible after fixing.
 
On the other hand for the bonding of opaque glazed pieces it is unimportant which color the bonding agent is, as it will later be covered with an layer of epoxy matching the color of the glaze.
 
During storage and transport wrap all the pieces individually as the rubbing together generally damages the edges which in turn means more filling and blending.
 
Sometimes the broken pieces fit together perfectly other times little slivers of the material are twisted and prevent a perfect fit,
sometimes the material was under stress which, released upon separation causing the shape to differ slightly from the original shape.
Those pieces won't fit together perfectly, but should still be pretty close to the original shape.
When this happens to larger pieces then they may need to be broken in order to spread the difference over more pieces thus negating the size of the difference.
 
Those which fit together but for minor slivers the solution lies in removal of the offensive parts by way of grinding either with a grindstone or a diamond cutting wheel, the trick is to remove the offending pieces without removing any part of the visible edge so that it all will fit together without showing holes or missing pieces.
 
Parts which have altered shape may often still fit and be used provided that the surface can be smoothed off using a diamond file or such, glazed pieces may than be coated to regain the original luster.
 
Missing pieces may be made by placing the bonding mixture on a piece of tape that is shaped so that the material upon drying resembles the form and shape of the missing piece.
 
There where the dried mixture exceeds the wanted shape it may be filed down to the required shape, and build up where there is not enough, until the shape is perfect.
 
Where necessary the painting can be filled in using epoxy paint. Marine epoxy paints are very suitable for this and could be purchased in many colors which in turn maybe mixed to the exact shade.