Vikash bhagat

Gas fired shuttle kiln .36 PCs firing at a time touch nd watch physically, clear shown as OVERFIRED This is a new problem,

Yes , internal surface OVERFIRED mean like extra burn then doted points grow up on the surface, And strength of item is going to week cause of this . Interior also glazedR Rings are footer which is also part of INSULATORS from beginning,which is supports use for hang firing Material: porcelain body, Glaze:popular brown glaze (zirconia) use for INSULATORS Peak temperature 1225 degree Celsius Blue part is OK and this is the thinner portion Problem comes in surface in hole All outer surface is ok Yes holding at peak temperature For sufficient soaking whichever requirement of porcelain body to clear the porosity Hope you satisfactory these answers I am strongly looking for Ur answers to solve out these problem as soon as posiible

Hi guys , We are INSULATORS manufacturer HOLLOW INSULATORS have these problems of ID OVERFIRED problem rest of all material is OK If we talk abouts shed(which is thin portion of INSULATORS ) is OK stem is OK but in ID facing OVERFIRED problem Top portion of ID approx..300mm is OK Bottom portion of ID approx ..300mm is OK But middle portion of ID which is 500-600mm is OVERFIRED How can be short out this problem If we talk about other material like bushing is OK in same kiln Note:- HOLLOW ITEM FIRED IS BOTH HANG AND WITHOUT HANG BUT FACING PROBLEM CONSISTENT ... Please suggest new firing technics What are change required in kiln schedule or state of firing Regards VIKASH BHAGAT