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Transparent Crackle 4 oz

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Product Description

Shake well. We recommend a broad, soft brush to apply the glaze. Apply three coats to properly fired shelf cone 04 bisque. Fire to shelf cone 06.

The "crackle pattern" in the glaze is actually a firing defect called "crazing." Simply put, crazing is occurs when the glaze shrinks more than the body. The tension of the glaze on the body causes the glaze to crack.

In the case of Classic Crackles™ it is our intent to develop a glaze that will not fit an earthenware body. While we design and test for a common cone 06 earthenware body we know body composition can vary. If you having diificulty obatined a crackle pattern one potential issue may be that the glaze "fits" the body too well.

Some things you try to instigate cracking:

As the kiln cools enough to open, remove the ware and expose it to cooler air. The thermal shock may induce cracking.

Use a spritz bottle to lightly spray water onto a ware piece as this may also induce cracking.

Try a different clay body or source of bisque.

Always test to find the best body/glaze combination that gives you ideal results before engaging in mass production.

Glazes that create dimensional surfaces also create crevices and nooks that can trap food - even after washing. This food can develop bacterial growth and cause health issues. Our policy is to discourage the use of textural glazes on ware that is intended for food usage even though the glaze has met all food safety criteria.