These underglazes have a wide firing range. They can be used at low-fire earthenware temperatures band most colors stay true to color when fired up to Cone 6, which allows the utmost in artistry and versatility. Many people use these at cone 10+ as well although colors vary.
Amaco Velvet Underglazes are perfect for professionals and novic
4.7
56 ratings
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They work great! Nice colors that are true!
E
ellen · July 23, 2026
Just right. .
J
Jim · May 18, 2026
Great product, great service.
These underglazes are very reliable and add a new dimension to my pottery pieces. I do want to mention, however, that one of the containers arrived cracked, and it leaked a little in the packaging. Not a real big deal, but a little disappointing.