Note: To protect the privacy of our members, e-mail addresses have been removed from the archived messages. As a result, some links may be broken.

Lesson Plans


Re: cracking clay--please help!

[ Thread ][ Subject ][ Author ][ Date ]
Janice Duncan (jduncan.trhs@twin-rivers.k12.mo.us)
Mon, 22 Nov 1999 15:21:16 +0000

Date: Mon, 22 Nov 1999 15:03:40 -0500
To: "ArtsEdNet Talk" <artsednet>
From: Holly Houston <HHouston.k12.me.us>
Subject: cracking clay--please help!
Reply-to: "ArtsEdNet Talk" <artsednet>

>I am having a problem with clay gargoyles, some in the 12' x 12" range,
>cracking on the first or second firing. I use low fire clay (05), firing
>at that both times(once with Mason Stains). The crack (it is usually just
>one) usually runs across the face, which is formed on a newspaper armature.
> I truly believe the clay is dry enough when put in the kiln. someone
>suggested maybe there is too much clay on the HOT surface of the shelf and
>that is the culprit. I tried putting them on stilts when firing--still
>cracked. Has anyone had this experience?
>
>Thanks in advance, Holly
> 

---
You are currently subscribed to artsednet as: jduncan.trhs@twin-rivers.k12.mo.us
To unsubscribe send a blank email to leave-artsednet-4261K


Holly,
Try 04 for first firing.  You may be getting cracks from drying 
pieces to fast.  Try slower drying time since newspaper hold lots of 
moisture.  Good luck.


Janice



---
You are currently subscribed to artsednet as: hm-aen.edu
To unsubscribe send a blank email to leave-artsednet-4261K