Oven, Dishwasher, Microwave Proof/Safe

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Oven, Dishwasher, Microwave Proof/Safe

It is industry standard that unless an item is stamped or marked dishwasher, oven or microwave “safe” then it isn’t.  Therefore, handmade/DIY decorated pottery is not classified as oven, dishwasher or microwave proof or safe.

Tableware Symbols On Pottery, Stoneware, Ceramics, China:

It is industry standard that tableware and ovenware is NOT oven, dishwasher or microwave safe unless it is stamped on the ware.  Having said this, we do know customers that frequently place their hand-painted items in ovens, dishwashers and microwaves.  If you make the decision to use your item in a domestic appliance then we recommend that extra care is taken.  Our advice would be:

  • DO  remember that our bisque is ceramic earthenware.  Earthenware is porous and it will trap moisture.  Therefore, extreme care should be taken as the pottery can get VERY HOT.

  • DO remember pottery will remain hotter for longer.

  • DO allow pottery to heat up gradually i.e. warm up teapots prior to use, warm pieces to room temperature after removing from refrigerator, don’t place cold wares in hot water.

  • DO allow hot pottery to cool down slowly i.e. don’t place hot wares in cold water.

  • DO NOT  use domestic appliances if the piece is precious.  Continual expansion and contraction of the piece will weaken the pottery over time and may cause cracking.

Further notes:

Oven:  We do not recommend that your handmade items are used in the oven but are aware of customers who use their pieces to cook with.  When using hand-painted pottery for cooking, the pottery should be at room temperature before being placed in the oven.  Therefore it is best to allow the pottery to heat up gradually with the oven i.e. do not pre-heat the oven.

Dishwasher:  We do not recommend that your handmade items is used in the dishwasher but we are aware of customers who regularly place their items in an appliance. With regular dishwasher use there will be a gradual dulling of the glaze due to the hot, caustic dishwasher detergent dissolving parts of the glaze. The other problem could be damage due to chipping of the glazed surfaces as the washed items knock against each other.

Microwave:  We do not recommend that you use items in the microwave but we are aware of customers who have. The reason we advise not to use the item in the microwave is that earthenware is generally porous and the pores act like a sponge soaking in moisture. Heating coffee in a mug for example, may heat the coffee to a drinkable temperature, but the mug itself could burn the person’s mouth.

Temperature Changes:  Sudden temperature changes should be avoided.   We recommend warming a cold teapot by swirling a small amount of warm water around the pot before completely filling it with boiling water.

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