Not all stoneware is created equally. In fact, there is not a standard, universal definition of stoneware and the word is frequently misused to describe other ceramic products. At our factories in Portugal, the ancient skills of modeling and decorating are combined with modern technology in a special process that produces high-quality fine stoneware products capable of withstanding everyday use over many years. Manufactured in a single firing system heated up to 1180ºC (2160ºF) our stoneware is very strong and durable. Its glazed surface is fully vitrified which gives it high resistance to both thermal and mechanical shocks.
OVEN, FREEZER AND MICROWAVE SAFE
All pieces manufactured in fine stoneware have high thermal shock resistance, withstanding temperature variations between -20ºC and 250ºC (0ºF to 500ºF). The maximum thermal variation advised is 180ºC (350ºF). All stoneware products can be safely used in the oven, microwave, and freezer. As a precaution, you should avoid placing pieces straight from the oven on a cold surface. Do not use it over a direct flame. Avoid the use of products with craquelée surfaces such as Cristal (grey), Lisboa, Madeira, Pearl Aqua and Riviera in the oven and freezer.
All our pieces are easy to wash and clean and abrasive cleaners can be used without the risk of damaging the surface due to its high durability and low porosity. Most items can be washed daily in the dishwasher. To ensure the items last longer we advise you to make sure that no item rubs or bumps against another during the wash cycle, preventing damage. As a precaution we recommend you wash oversized items and more delicate pieces by hand.
All COSTA NOVA products meet the standards established by International Standards including the US Food and Drug Administration (FDA) with regard to lead and cadmium. They are food safe.
All COSTA NOVA stoneware products are hand-finished which provides them unique character. Any irregularities, color variations or small imperfections should considered defects, but unique marks of authenticity.
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