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Avoiding a Dull Finish on Glass


The dull finish on the bottle is the area that was left uncoated.

CONTENTS

Avoiding a Dull Finish on Glass

Recent Q&As: The future of Kiln Sitters; melted silver clay

Memorable Quote

News: Paragon Class Kilns Available at Glass Craft Expo

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AVOIDING A DULL FINISH ON GLASS

The dull or frosty surface on fused glass is called devitrification. This is rarely seen on fusible stained glass but common on certain brands of slumped bottles and other types of recycled glass.

Patrice Johnson of Moyock, North Carolina and Chris Watson of Virginia Beach, Virginia have been getting devitrification on fused bottles, especially the dark colors. They made a devitrification coating from a formula on Brad Walker’s website. You can find more details at the link below:

http://www.warmtips.com/20051022.htm

The mixture:

1 tablespoon 20 Mule Team Borax laundry detergent booster

1 tablespoon Dawn dishwashing liquid

1 cup distilled water

Patrice and Chris applied two coats to test bottles using a small disposable sponge brush. They fired the bottles to cone 015 and 016. The coated area of the glass remained clear, and the non-coated area devitrified.

In another test, they sprayed the solution onto the glass. The first test with the brushed-on solution turned out better.

Patrice and Chris, thanks for sharing the results of your tests.

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RECENT Q&As

Q. What is the latest news on Kiln Sitter parts?

A. Orton Ceramic Foundation is going to manufacture the Kiln Sitters and parts. Kiln Sitters should be ready in March, 2009.

Q. Why did my silver clay melt in the kiln?

A. If the piece melted even though you programmed the correct temperature, the thermocouple in your kiln may be a little inaccurate. You can compensate by lowering the programmed temperature. Fire test pieces until you are satisfied with the results.

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MEMORABLE QUOTE

“I talk to my SC-3 kiln, tell it we are ready to start the day, and it glows and makes that little turning on and off sound to keep me company.” -- Ann Davis

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NEWS: PARAGON CLASS KILNS AVAILABLE AT GLASS CRAFT EXPO, APRIL 1 – 5, 2009, LAS VEGAS, NEVADA

Paragon is furnishing kilns to classes throughout the show. You can get great prices on slightly used class kilns, complete with full product warranty. (Paragon is also paying for shipping to Las Vegas.)

The kilns will be available at the end of the show, packed in the original cartons with manuals and warranty card. Take the kiln home with you, or have it shipped from the show. Click here for more information:

http://www.paragonweb.com/News_Story.cfm?NID=87

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This week a former employee stopped by Paragon to say hello. She had worked here ten years ago. She was driving from Missouri to San Antonio to surprise her husband, who is training to be an Army medic. Her visit reminded me that the employees at Paragon are like a close-knit family and take the time to stay in touch.

I hope you have a great weekend.

Thank you,

With best wishes,

Arnold Howard Paragon Industries, L.P. – Better Designed Kilns 2011 South Town East Blvd. Mesquite, Texas 75149-1122 Voice: 972-288-7557 & 800-876-4328 / Fax: 972-222-0646 ahoward@paragonweb.com / www.paragonweb.com

PRIVACY NOTICE: Under no circumstance do we share or sell your email address.

Copyright 2009, by Paragon Industries, L.P.



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