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Corelle Support

General

Why are Corelle® products so durable?

Corelle® products are created using a special glass lamination process that thermally bonds two clear "skin" layers of glass to a white or beige "core" layer. This proprietary technique is unique to Corelle®- in fact, we invented it!

Are Corelle® products lead-free?

We are very proud of our Corelle products, which are made of Vitrelle, a tempered glass consisting of glass laminated into three layers. Corelle was first introduced by Corning over 50 years ago and in 2000 started to be manufactured by the company known today as Instant Brands. All Corelle products meet the safety standards at the time of manufacturing.

As manufacturing and regulatory practices have evolved, so have Corelle products. We routinely test Corelle products for lead and cadmium contents at internationally recognized, third-party testing laboratories. This testing confirms that our products comply with applicable federal and state safety regulations.

Corelle dinnerware has come in many different patterns over the years since it was first introduced by Corning and continued with Instant Brands, and many vintage/legacy pieces have become cherished collectors’ items. Before 2000, and before tighter lead content safety regulations, a small amount of lead was an ingredient in the decorating process of many household products. Instant Brands has conducted additional testing with an outside laboratory to determine whether vintage Corelle products made before 2000 comply with today’s consumer [your] expectations as to safety and whether it’s ok to use them as everyday dinnerware. The Company selected multiple patterns of vintage Corelle products, dating back to 1978 for testing.

The food surface contact testing was designed to identify whether any small amount of lead that may have existed in pre-2000 manufactured Corelle product leaches from the product in amounts above today’s acceptable lead-safety regulations. The small amount of lead used in decorations pre-2000 was encapsulated in glass before and after the decoration was applied to product and fired to above 750C. The Corelle manufacturing process has always encapsulated decoration in glass, using extremely high processing temperatures to ensure the glass decorations are sealed, which prevents food contact and intentionally decreases the extent of any lead migration to food.

The testing confirms that the vintage products tested comply with current FDA lead-safety regulations – so feel free to use them for everyday dinnerware.

Are Corelle® products covered by a warranty?

Yes. Corelle® dinnerware is covered by a limited three-year warranty against breakage, chipping, and staining under normal household use. This warranty does not cover accidental breakage. See details here.

Are Corelle® products microwave safe? My plates and bowls become hot in the microwave.

Yes, Corelle® dinnerware is oven safe up to 350° F (177° C) when used in accordance with the safety and usage Instructions that came with your product at the time of purchase. All attachments (foot and handle) are only safe up to 248° F (120° C). See details here.

Why was my pattern discontinued?

We try to create dinnerware designs with lasting appeal but, unfortunately, some patterns lose their popularity over time. When this happens, we discontinue the pattern. Even if your favorite pattern has been discontinued, we may be able to locate the pieces you need. Contact our Customer Care Center or email us via our online contact form.

Why are my Corelle® mugs made from a different material than my plates and bowls?

The glass lamination process used for Corelle® ware is ideal for making plates and bowls, but it unfortunately does not work well for cup or mug shapes. That's why we offer stoneware mugs with every Corelle® dinnerware set.

I dropped my Corelle® dinnerware, and it shattered. I thought it was break and chip resistant. Why did this happen?

Although Corelle® dinnerware is made of Vitrelle® glass, known for its strength and durability, all glass is breakable. We offer a three-year warranty against breakage, chipping, and staining under normal household use. This warranty does not cover accidental breakage.

Why does the surface of my Corelle® product look "Pebbly"?

Before Corelle® products leave the factory, they are sprayed with an organic, non-toxic coating to help prevent damage during shipping. Wash your Corelle® ware with detergent and hot water before using it, or run it through a dishwasher cycle.

What causes the gray lines or marks on my Corelle® dinnerware?

Although Corelle® dinnerware is made of Vitrelle® glass, known for its strength and durability, metal utensils, silverware, metal dishwasher racks, metal cleaning pads, and stainless steel sinks may cause gray markings. These gray marks can be removed with a non-abrasive cleaner such as Zud®.

Why are there stains on my Corelle® cups or mugs?

Each community's water supply is slightly different. That means Corelle® cups may stain due to mineral deposits from use of untreated water over time. The oils from coffee or tea may adhere to the sides of the cups because of the mineral deposits/residue in the water. These stains can be removed with a nonabrasive cleaner such as Bon-Ami®. Or, fill the cup 1/4 full with vinegar and clean with a paper towel. Rinse and dry thoroughly. DO NOT attempt to use bleach to clean the stains, as this will only lighten them. Stains may reappear if the water used for cleaning is left untreated.

Is Corelle® microwave safe?

Corelle® products can be used for serving and re-heating food in microwaves or pre-heated conventional ovens up to 350° F (176° C). To warm empty dinnerware for serving, use pre-heated conventional ovens only. Porcelain and stoneware mugs are microwavable

Why did my Corelle break?

A drop or knock against a hard object may cause immediate breakage or enough damage so that the item breaks later for no apparent reason. Such breakage may make a noise and can break into many small pieces. Be careful in handling as pieces may be sharp.

Why are Corelle plates so expensive?

Corelle is more expensive than some other types of dinnerware because of its unique manufacturing process, which involves laminating three layers of glass together to create a lightweight, durable, and chip-resistant product.

Instant Brands (Australia) Pty Ltd promises to replace any item of Corelle Dinnerware that should crack, break or chip within THREE YEARS from date of purchase. PORCELAIN AND STONEWARE MUGS ARE NOT INCLUDED.

How do you dispose of Corelle dishes?

If dishes are broken, or have chips, cracks or stains, toss them. Wrap any sharp edges or pieces in newspaper, place them in a plastic bag, label them as “broken glass,” and throw them away.

Can Corelle go in the microwave?

Yes. As Corelle is heat resistant as well as break resistant, it can be used in a microwave oven. But do not heat Corelle on top of gas, electric and ceramic stovetops, on or near any other direct heating source such as range heat vents, pilot light, open flames, etc. even for warming purposes.

Why is Corelle so durable?

Vitrelle glass, the name for the glass used in Corelle Dinnerware, consists of a unique three-layer glass laminate: a thick core glass, which is enclosed on top and bottom by a much thinner glaze or skin glass. The result is a lightweight durable plate that is carefully designed to inhibit breakage.

Why is Corelle so light?

The 3 layers of Vitrelle glass are thermally bonded together by laminating a top and bottom layer of clear skin glass to a core centre layer, which creates dinnerware that's lightweight but strong, ultra slim and easily stackable.

Can Corelle go in the oven?

Corelle Dinnerware can be used for serving and re-heating food. Corelle Dinnerware can be used in a microwave and pre-heated conventional ovens up to 176˚ C. To warm, empty dinnerware for serving, use pre-heated conventional oven only.

Why is Corelle break resistant?

Vitrelle glass, the name for the glass used in Corelle Dinnerware, consists of a unique three-layer glass laminate: a thick core glass, which is enclosed on top and bottom by a much thinner glaze or skin glass. The result is a lightweight durable plate that is carefully designed to inhibit breakage.

Is Corelle glass or melamine?

Made in the USA from a unique glass material called Vitrelle, Corelle Dinnerware is renowned for being thin and lightweight, yet amazingly strong and durable. The unique 3 layered Vitrelle glass of Corelle Dinnerware is as thin and translucent as fine china, yet dramatically stronger.

What is so special about Corelle?

Durability: Corelle dishes are made from a unique material called Vitrelle, which is a tempered glass product. This makes them exceptionally durable and resistant to chipping, cracking, and breaking.

Can I put Corelle plates in the dishwasher?

Corelle Dinnerware can be washed in an automatic dishwasher. Load dishwasher carefully to avoid glass-to-glass contact and bumping against other items during cycle.

Why are the edges of my Corelle dishes rough?

Please be advised that we have recently learned that abrasive automatic dishwasher detergents can cause damage to Corelle Dinnerware and cause the dinnerware to become weak. Over time the dinnerware may become rough or chipped along the edges. The finish may wear off and the pattern/colour may fade.

How do you get scratches out of Corelle dishes?

Create A Paste To Remove Scratches From Your Dishes.The water in the microfiber cloth will help create a paste with the cream of tartar. Spend a few minutes scrubbing against the scratched areas in your dishes. The paste from the water and cream of tartar act as an abrasive to remove the scratches from the plates.

What causes GREY marks on dishes?

The “scratches” are not actually etched in the porcelain or pottery, but they are metal deposits from the silverware used every day to cut, scoop, or pierce the food you're eating. The “scratches” aren't scratches at all.

Why are my Corelle dishes turning brown?

It could be rust if the dishwasher rack coating is damaged.

Warranty

Warranty

Instant Brands (Australia) Pty Ltd will replace any item of Corelle® Vitrelle® glass dinnerware that should crack, break or chip within THREE YEARS from date of purchase. PORCELAIN AND STONEWARE MUGS ARE NOT INCLUDED. If the exact item is not available, it will be replaced with a comparable item. This warranty only applies to products damaged during normal household use. It does not cover damage resulting from misuse, negligence, accidental breakage or attempted repair.For this warranty to apply, the owner must follow the Safety, Use & Care instructions. If you wish to make a warranty claim, contact the Instant Brands Australia Customer Care Centre. KEEP THE PRODUCT, as you may be asked to return it.

Use & Care Instructions

Use & Care Instructions

Read these instructions carefully before using your Corelle product.

Wash your new Corelle® dinnerware before using to remove clear protective coating.

DINNERWARE PLATES AND BOWLS ARE MADE OF GLASS. MUGS ARE MADE OF PORCELAIN OR STONEWARE. REVIEW INFORMATION ON BOTTOM OF ITEMS PRIOR TO USE.

ALL GLASS, PORCELAIN AND STONEWARE CAN BE BROKEN and care should be taken in handling. A drop or knock against a hard object may cause immediate breakage or enough damage so that the item breaks later for no apparent reason. Such breakage may make a noise and can break into many small pieces. Be careful in handling as pieces may be sharp.

WARNINGS:

FAILURE TO FOLLOW THE WARNINGS BELOW MAY CAUSE AN ITEM TO BREAK OR SHATTER IMMEDIATELY OR LATER, RESULTING IN PERSONAL INJURY OR PROPERTY DAMAGE. THIS PRODUCT IS INTENDED FOR NORMAL HOUSEHOLD USE ONLY. THIS PRODUCT IS NOT INTENDED FOR INDUSTRIAL OR COMMERCIAL USE.

  • DO NOT USE ON STOVETOP, under a grill, in a toaster oven, or on or near any other direct heating source such as range heat vents, pilot light, open flames, etc.
  • AVOID SUDDEN TEMPERATURE CHANGES. DO NOT add liquid to a hot item, place a hot item on a wet surface, or handle with a wet or cold cloth. These sudden temperature changes may cause the item to break or shatter. Handle hot items with a dry cloth or potholder.
  • DO NOT use to microwave popcorn or to hold or support popcorn bags, microwave convenience foods with special browning wrappers, etc. Some convenience food packaging is designed to heat rapidly in a microwave oven and may cause breakage.
  • DO NOT heat an empty vessel in a microwave oven. It may become too hot to handle, crack or break.
  • DO NOT heat a small amount of food in larger dish in a microwave oven. It may become too hot to handle, crack or break.
  • DO NOT overheat oil or butter in microwave. Use minimum amount of cooking time.
  • DO NOT use or repair any item that is chipped, cracked, or severely scratched. Damaged items may break or shatter without warning.
  • DO NOT abuse by dropping or hitting against a hard object.
  • DO NOT use abrasive cleanser, scouring pads, or any object that will scratch items.
  • Place stoneware items on dry placemat or tablecloth to avoid scratching surfaces. The bottom of stoneware items may be rough.

DISCONTINUE USE SHOULD ANY ITEM BE MISUSED IN ANY MANNER AS STATED ABOVE, AS DAMAGED ITEMS MAY BREAK WITHOUT WARNING.

USES: Corelle® dinnerware can be used for serving and re-heating food. Corelle® dinnerware can be used in a microwave and pre-heated conventional ovens up to 176˚C. To warm empty dinnerware for serving, use pre-heated conventional oven only. Porcelain and stoneware mugs are microwavable.

CARE: Wash by hand or in a dishwasher. Load items to avoid bumping against other items during cycle. To remove grey or rust marks, clean with non-abrasive cleanser. If scouring is necessary, use only plastic or nylon cleaning pads with non-abrasive cleansers. DO NOT allow stoneware or porcelain mugs to soak/stand in water for an extended period of time. Applied heat after soaking may cause glaze cracking.