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Title: Glass Fusing COE Compatibility: A Comprehensive Guide
Introduction:
Glass fusing, also known as kiln firing, is a popular technique used to create beautiful glass art pieces. One of the essential factors to consider while working with glass fusing is the COE (Coefficient of Expansion) compatibility. In this article, we will discuss the importance of COE compatibility in glass fusing and provide a comprehensive guide to help you choose the right glass for your projects.
What is COE?
The COE, or Coefficient of Expansion, is a measure of how much a material expands or contracts when exposed to temperature changes. In the context of glass fusing, the COE refers to the degree to which glass expands or contracts when heated or cooled. It is an essential factor to consider because it determines whether different types of glass can be fused together without cracking or shattering.
Why is COE Compatibility Important?
COE compatibility is crucial in glass fusing for several reasons:
1. Preventing cracking: When two glass pieces with different COEs are fused together, they may expand or contract at different rates during the firing process. This can cause stress and lead to cracking or shattering of the glass.
2. Ensuring uniform cooling: Fusing glass with compatible COEs ensures that the glass cools uniformly, reducing the risk of cracking or warping.
3. Achieving desired results: Using glass with compatible COEs allows artists to create seamless and aesthetically pleasing fused glass pieces.
Types of COEs:
There are three main types of COEs used in glass fusing:
1. COE 90: This is the most common type of COE used in glass fusing. It is suitable for most kiln-firing projects and is compatible with a wide range of glass colors and textures.
2. COE 96: This type of COE is slightly harder than COE 90 and is often used for creating items that require a higher level of durability, such as dishes or jewelry.
3. COE 96.5: This is the hardest type of COE and is typically used for creating glass pieces that require extreme durability, such as glassware or heavy-duty items.
How to Choose Glass with Compatible COEs:
To ensure COE compatibility in your glass fusing projects, follow these guidelines:
1. Check the COE of the glass you are using: Before purchasing glass for your project, check the COE of the glass to ensure it matches or is compatible with the other glass pieces you plan to fuse.
2. Consult with glass suppliers: Glass suppliers can provide valuable information about the COE compatibility of their products and help you choose the right glass for your project.
3. Test your glass combinations: If you are unsure about the COE compatibility of a particular glass combination, conduct a small test piece to ensure it will fuse without issues.
Conclusion:
COE compatibility is a critical factor in glass fusing that can significantly impact the success of your project. By understanding the importance of COE compatibility and following the guidelines provided in this article, you can create stunning glass art pieces with confidence. Always remember to choose glass with compatible COEs to ensure your fused glass projects turn out beautifully and durably.