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Bullseye Glass Color Conversion Chart

Bullseye Glass styles conveniently converted to CMYK and RGB color values to streamline your work flow and help you visualize your designs before you make a single cut. Download the Bullseye Glass Color Conversion Chart here…

Murakami SP-9500 Diazo Sensitizer Mixing Instructions

Overview Murakami's premier dual cure graphic emulsion. Outstanding resolution of fine details. An easy to use emulsion with wide latitude and exceptional durability. For instructions' download our Diazo Mixing Instructions…

Pre-Firing Your New Kiln

Overview Before using a new kiln for glass projects' you will need to pre-fire it. This burns out binders' moisture' and other residue left over from the manufacturing process. Read and download the PDF file' Pre-Firing…

Mold Tips: Heart Casting Mold (8976)

More Information Mold Tips' Heart Casting Mold (8976) PDF Helpful Resources Clean Shield Gel product useFrit tinting articleFrit tinting videoMold Tips' Suggested Slumping SchedulesTips for Using Bullseye Slumping…

Working with Accucast 880 Blue

Overview Accucast 880 Blue is a type of alginate that is fairly easy to mix and sets in 5-10 minutes. It has a somewhat short working life and will dry out and shrink over a couple of days. However' if kept in a sealed…

Quick Tip: Kilncast and Slumped Bowl

Get experience in volume calculation' frit tinting' and more as you create a kilncast disc from a frit-and-powder mixture' coldwork the edges' and slump it into this graceful bowl. Prepare the Dam Cut a 1" strip of 1/16" Fiber…

Recommended Annealing Cycle for Bullseye Glass

Save time and energy. Anneal thick slabs at 900 degrees. As of June 2009' Bullseye has changed its chart for annealing thick slabs. Specifically' the recommended anneal soak temperature has been lowered from 960°F/516°C to…

Mold Tips: Pyramid Casting

Overview The Pyramid Casting Mold is an easy and fun project for beginner kilncasters.  You’ll learn a variety of concepts integral to kilncasting' including mold preparation' glass loading (feel free to use either…

Annealing Thick Slabs

Fahrenheit VIEW/PRINT Celsius VIEW/PRINT Overview When a piece of hot kiln-glass is returned to room temperature' it cannot be allowed to cool too quickly. If cooled too quickly' the temperature differential throughout…

TipSheet 3: Working Deep

Overview This TipSheet will introduce you to ways to float imagery and color within thick blocks of clear glass. Thick glass castings have resulted historically from pours of furnace glass or by kiln-melting glass…

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New to using Bullseye Glass?

 "Your choice of glass is probably the most important decision you will make as a kilnformer." -Artist Steve Immerman on why he exclusively uses Bullseye. Bullseye glass is developed by artists, for artists. We've got your…

Is it safe to fire Bullseye Glass in a kiln?

Yes. At cold temperatures and typical firing temperatures, the colorants are encapsulated in the glass and the glass does not emit odors or toxics into the air. However, ventilation is recommended to dissipate odors from shelf…

What is The Rule of Halves?

This rule is important to know for successful glass cutting. A score is more likely to run properly when there are equal amounts of glass on either side of it. This is particularly important for cutting strips of…

Where can I get answers to frequently asked customer service and sales questions?

For frequently asked customer service and/or sales questions, please visit the Customer Service/Sales FAQ section in our online store.  If you don't see the answer to your question there, please give our sales department a call…

How big are the individual granules of frit? If applying Bullseye frit with a sifter, what size mesh screen will I need?

Bullseye frit granules come in five sizes: extra large (available in clear only), coarse, medium, fine, and powder. We recommend applying frit with a sifter, as there are a number of interesting effects that can be…

What is Bullseye's glass coding system?

Every piece of Bullseye glass you buy is named with a precise code. The code provides information including color, texture, treatment, thickness and form or shape. Download the Bullseye Glass Coding System PDF FAQs Return to…

Is Bullseye glass COE 90?

Unfortunately, the answer to this question is not simple.  The intent of most glass fusers who ask this question is to find out if Bullseye glass is compatible with glass made by another manufacturer. But COE ("coeffecient of…

What are "striking" glass colors?

  Some Bullseye glasses appear pale or colorless in the cold sheet form, but “strike” or mature to a much different color when fired. Striking colors can vary, depending on temperature, atmosphere, and heat history. Producing…

Is Bullseye glass compatible in all conditions?

When kilnforming, there are a multitude of variables to keep in mind. If you plan to subject Bullseye glass to unusual working conditions, we always recommend conducting your own tests. Under normal working conditions, Bullseye…

What should I know about studio safety?

Here are are some general guidelines to avoid injury while working in the kiln-glass studio. For more information, see Safety in the Kiln-Glass Studio. When working in a kiln-glass studio, cuts will happen, but they are…

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