[Clayart] ITC brick repair

[Terry Lazaroff]

Arnold

Thank you for the visit.

Terry

Sent from Mail for Windows 10

From: Arnold Howard
Sent: Wednesday, August 1, 2018 7:06 AM
To: Dan Hill; Clayart international pottery discussion forum
Subject: Re: [Clayart] ITC brick repair

On 7/20/2018 5:54 AM, Dan Hill wrote:
> Shouldn't the brick be dipped in water first?
> I have had no luck repairing soft brick without first wetting the brick 
> then applying the cement.

The video link below shows how firebricks are cemented together at the 
Paragon factory. We don't dip the bricks in water, because the moisture 
in the kiln cement is not given enough time to absorb into the bricks. 
Rows of bricks are dipped into a pan of cement and then immediately 
pressed against the next row of bricks.

Also, the cement has to be mixed to exactly the correct consistency. It 
has to be as creamy as freshly stirred almond butter.

https://www.youtube.com/watch?v=d53iug-tUmw

Sincerely,

Arnold Howard
Paragon Industries, L.P., Mesquite, Texas USA
ahoward at paragonweb.com / www.paragonweb.com


> 
> -----Original Message----- From: Arnold Howard
> Sent: Thursday, July 19, 2018 8:57 AM
> To: clayart at lists.clayartworld.com
> Subject: Re: [Clayart] ITC brick repair
> 
> On 5/25/2018 4:35 PM, Daphne Vega wrote:
>> Can anyone offer tips or assistance for repairing broken ifb using 
>> ITC? I have 200ez and 100ht, the only instructions are on the jar of 
>> 200 (add 100ht to soften). I did this and fired them and they remained 
>> broken afterwards.
> 
> I welcome your comments on these instructions.
> 
> TO REPAIR BROKEN FIREBRICKS WITH ITC
> 
> Mix 1 part ITC 100 by volume with 1/2 part of water.
> 
> 1) Coat both sides of the broken brick sections with ITC 100.
> 
> 2) Apply ITC 148 or ITC 200EZ, like mortar, onto the broken piece. Press
> it into place. (Use ITC 100 first, because 148 or 200EZ bonds really
> well to it).  Allow it to dry overnight.
> 
> 3) Apply a thin coating of ITC 100 on top of the repair with a paintbrush.
> 
> 4) Allow to air dry for 24 hours. Then fire slowly at 100F per hour to
> 600 F and hold for approximately an hour then proceed at 100 F per hour
> to operating temperature.
> 
> Sincerely,
> 
> Arnold Howard
> Paragon Industries, L.P., Mesquite, Texas USA
> ahoward at paragonweb.com / www.paragonweb.com
> 

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