Yu Yo Space
Which Copper is Best for Enamelling
TU2 oxygen-free copper (ASTM C10200/10100) is the preferred choice for firing enamel because it minimizes oxygen and impurities like phosphorus, preventing bubbles, cracks, and adhesion failures during high-temperature enamelling.
Why Avoid Standard T1/T2 (ASTM C11000) Copper
Standard T1/T2 electrolytic copper—equivalent to ASTM B152 C11000 (Electrolytic Tough Pitch, ETP) at 99.90% minimum purity—contains trace oxygen (up to 0.04%), phosphorus (typically ≤0.00
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2026 Jan 15th
Introduction to Enamel
Intro to enamelling list:
A-1 Oil , https://yuyo.ca/a-1-klyr-fire-holding-agent-water-based-2-oz-ta01/
Counter Enamel, https://yuyo.ca/thompson-lead-free-opaque-enamel-2-oz-counter-enamel/
Copper sheet 0.8mm or thicker if you make flat piece, 0.5mm and up if you make domed piece. https://yuyo.ca/search.php?search_query=copper+sheet§ion=product
Optional but better to have: Fiberglass brush for cleaning metal: https://yuyo.ca/search.php?search_query=fiberglass§ion=product
Diamond F
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2025 Feb 12th
Convert Bewteen Gauge = mm = Inch Conversion Chart
B&S
Gauge
Millimeter
(mm)
Inch
(decimal)
Inch
(fraction)
B&S
Gauge
Millimeter
(mm)
Inch
(decimal)
Inch
(fraction)
1
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2022 May 2nd
Guide to Use Keraflex
2021 Nov 2nd
Guide for Thompson Enamel
Guild for Thompson EnamelWhat are Thompson EnamelsThompson Enamels are lead-free glass products available in various particle sizes and formulated to fit a variety of metal and glass substrates. These products are described in terms of temperature and expansion to help you select a suitable enamel for your particular project.The best way to select an enamel is to determine their properties in the following sequence:Fusing temperatureFit or compatibility ColorIt is important to pre-test enamels
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2021 Nov 2nd