Mid-Fire Glaze - Natural Opal

$18.45

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Specifications

Safety Data Sheets

FAQs

Why are some items AP certified and others CL certified?

Both are certifications received from the Art and Creative Materials Institute as a result of extensive toxicological testing. AP is for products that contain no materials in sufficient quantities to be toxic or injurious to humans, including children, or to cause acute or chronic health problems. CL is for products that are labeled in accordance with the chronic hazard labeling standard and are certified to be not hazardous if used in accordance with directions on packaging.

What is the shelf life of Speedball glazes and underglazes?

Speedball glazes and underglazes have a shelf life of 2 years after manufacture, however when properly stored and maintained they can last much longer.

What firing process can I use to get the best results with Speedball Mid-Fire glazes?

To get the best results with Mid-Fire glazes, we recommend bisque firing to cone 05/04 and doing a test tile on your clay body and preferred firing method. We do not recommend any slow controlled cools, as this can effect the final appearance of the glaze.

Can Speedball Mid-Fire glazes be high fired to cone 10?

Yes, however the finished appearance of many of the glazes may change at higher temperatures. We recommend doing test tiles and your own dinnerware safety testing prior to use on any finished pieces.

made in the usa

vegan

color overview

Natural Opal

Natural Opal is a glossy, semi-transparent glaze that is as versatile as it is beautiful! A stunning white glaze at first glance, but upon continuous inspection you will witness the subtle hints of various hues reminiscent of a precious stone! Natural Opal is great with a standard application and is even more precious when layered with other colors.

Cone 5 Results	Glossy, semi-transparent white with hints of blue and purples
Cone 6 Results	Glossy, semi-transparent white with hints of blue and purples
Recommended Layers	3 average coats
Notes	No slow cool, great for layering with other glazes

Product videos

Speedball Mid Fire Glazing Tutorial

Check out this video to get the most out of brushing on your n...

Mid-Fire Glaze - Natural Opal

Why are some items AP certified and others CL certified?

What is the shelf life of Speedball glazes and underglazes?

What firing process can I use to get the best results with Speedball Mid-Fire glazes?

Can Speedball Mid-Fire glazes be high fired to cone 10?

made in the usa

vegan

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Speedball Mid Fire Glazing Tutorial