UG-19 Electra Blue Mayco Stoneware use USG Ultracal 30 Gypsum

use USG Ultracal 30 Gypsum Cement

One the base glaze is dry to the touch you can start applying Majolica colors

Cone 04 Average Shrinkage 11

Dries hard & durable with minimal shrinkage

off-white color at C/2

UG-19 Electra Blue Mayco Stoneware use USG Ultracal 30 GypsumC06 10 Mayco Fundamentals Underglazes were the first product line Mayco produced in 1954 and continues to be a staple for many ceramic artists. Mayco Fundamentals Underglazes are highly versatile use for complete coverage or in design, apply to clay or bisque with a broad firing range of cone 06 to cone 10. Fundamentals Underglazes serve equally well for the student making their first pinch pot and the clay artist creating works for a gallery.