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Unfortunately, the legally required hazardous material labeling (which we as retailers of chemical products must adhere to) is becoming more and more extensive!


According to our last catalog, we were only required to label products (in the range of glazes) that contain zinc oxide as water pollutants. There is currently a significantly higher number of substances that are hazardous to water, such as copper oxide and copper carbonate. Furthermore, ceramic glazes and clay powders may contain respirable quartz powders, so appropriate occupational safety equipment must be used when working with ceramic materials.

So that you are well informed in advance of your purchase about the materials you will be handling later, we have decided to provide you with the best possible information about the components it contains and how to handle these materials safely! In addition, you will still find this safety label on the packaging of the products you purchase. This allows you to specifically select whether the product is suitable for your application, e.g. making pottery with children.

Attention: Some competitors still use old hazardous material symbols (e.g. Xn = less toxic). These have been invalid for a long time - chemicals must be labeled with the harmonized GHS symbols according to the current regulation!

Note: A glaze powder marked as a hazardous substance does not necessarily mean that the fired glaze is not food-safe. These are “two different pairs of shoes”. More on this issue in the future!