Electric Mid&Hi Fired Ceramics
Potters & Sculptors - Making Rock from Mud
True matte glazes are not necessarily less fluid
In fact they can be more fluid (as you see here). On the right is G1214Z matte. On the left is G1214W, a glossy. This is at cone 5. True matte glazes are not matte just because they melt less. True functional matteness at middle temperatures is most often imparted by a low SiO2:Al2O3 ratio. The exciting thing about G1214Z is that it contains a small amount of silica that you can increase or decrease to fine tune the degree of matteness. I actually formulated it by using Digitalfire Insight software to drastically reduce the Si:Al ratio of G1214W! Google G1214Z to find out how I did it.
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Comment by Jan Wallace on November 19, 2012 at 11:41am
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I also appreciate all the 'insightful' (pardon the pun) information you post on this sight. Thanks Tony. I Love learning more about glaze chemistry/technology.
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Tony I really enjoy the information on glaze construction, I'm learning a lot, my glaze classes in college were woefully inadequate. My first class was mixing glazes for the advance students and my second class was taught as a pottery history class because the professor was tired of teaching glaze technology. Since it was only offered once every three years I couldn't take it again. Denice
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Low cost flat lapping disc can be used on you potters wheel if you, drill bat pin holes in it, and provide a trickle of water to cool it. At amazon.com, 120 grit for aggressive material removal. Click the image to purchase
Members have had great things to say about John Britt's new book, Mid-Range Glazes. Click the image to buy from Amazon.com
Purchase Glazes Cone 6 by Michael Bailey, The Potters Book of Glaze Recipes by Emmanuel Cooper, or Making Marks by Robin Hopper, all available at amazon.com. Mastering Cone 6 Glazes by John Hesselberth & Ron Roy is now out of print.
Harbor Freight is a great place to find unbeatable prices for better HVLP spray guns with stainless steel parts and serviceable economy models, as well as detail guns, all tested by our members for spraying glazes, as well as compressors to power the guns. As yet no one has tested and commented on the remarkably inexpensive air brushes at harbor freight.
The critter siphon gun is a spray alternative that is well liked by some of our members, and is available at amazon.
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If you are up to creating videos of your work or techniques you might want to invest in a flip video camera
Following are a few scales useful for potters. Ohaus Triple Pro Mechanical Triple Beam Balance, 2610g x 0.1g, with Tare $169.00
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ebay is a great alternative for many tools and the equipment used in the ceramics studio - kilns, wheels, extruders, slab rollers are often listed there both new and used.
Tips for Members
If you just want to spout off, it is best accomplished as a blog posting. If you want to get more guidance and ideas from other members, ask a question as a new discussion topic. In the upper right corner of the lists for both types of posting, you will find an "+Add " button. Clicking it will open an editor where you create your posting. 4/16/2014
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