Ceramic Blank Coasters

Is porcelain a glass?

The composition of porcelain is highly variable, but the clay mineral kaolinite is often a raw material. Other raw materials can include feldspar, ball clay, glass, bone ash, steatite, quartz, petuntse and alabaster.

What is China made of?

Bone china is a type of porcelain that is composed of bone ash, feldspathic material, and kaolin. It has been defined as "ware with a translucent body" containing a minimum of 30% of phosphate derived from animal bone and calculated calcium phosphate.

How can you tell if food is ceramic safe?

Lead-containing glazes or decorations on the outside of dishes or non-food surfaces are generally safer to use. The only way to determine if certain crockery has lead is to test it. Home test kits can tell you ifthe dishes have leachable lead. These tests are most useful in detecting high levels of lead.

Does ceramic contain lead?

Lead accumulates in your body, so even small amounts can pose a health hazard over time. Lead is used in the glazes or decorations covering the surface of some ceramic dishes. ... In some cases, however, lead in tableware can be a serious health threat. Some dishes contain enough lead to cause severe lead poisoning.

How long can I expect to get the sample?

After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 6-8 days. The samples will be sent to you via express and arrive in 3-5 workdays.

Can you match a specific color for the glaze on the mugs I am ordering?

Sorry, we cannot guarantee a perfect color match with our glazes due to the limited amount of glaze colors we have as well as the variation in the way our glazes can look on the final product due to the forces of mother nature.