European Testing Standard

European standard sets out the rules for ceramic articles intended to come into contact with food.

At the moment, there is no harmonized legislation exists for the glass sector at EU level yet. So, the directive for ceramics is commonly used for glass as well to ensure that no unacceptable migration of lead and cadmium occurs. The scope of the directive is expected to be expanded to glass materials.

It specifies the maximum quantities of lead and cadmium allowed to migrate from ceramic articles into foodstuffs. The testing will be as below:

Testing standard based on 84/500/EEC( EU) , LFGB( Germany)
  • Extractable Pb, Cd in 4% acetic acid
DGCCRF( France)
  • Extractable Pb, Cd, Al, Co, As in 4% acetic acid
  • Extractable Pb, Cd in 4% acetic acid
  • Overall migration in deionized water
  • Extractable Pb in 3% acetic acid(only for category C)

Food Contact material testing is highly concerned for different countries in Europe. Several European countries, such as Norway, France and Austria, have established further national requirements for glass and ceramic articles. In addition to the requirements set out in Council Directive 84/500/EEC and the subsequent amendments, other countries established requirements for testing the migration of Lead and Cadmium from the mouth contact rim or defined limits for further metals like Barium, Antimony or Zinc.

The USA Testing standard

Some ceramic food wares have been found to leach significant quantities of lead from potential food contact surfaces. The metal is extractable by foods and can cause a wide variety of adverse health effects including the traditional effects of chronic lead poisoning under continued food use.

As per FDA standard instruction the categories of ceramic articles used in the preparation, serving or storage of food, are defined as follows. They need to be tested as per the USA standard.

Flatware: ceramic articles which have an internal depth as measured from the lowest point to the horizontal plane passing through the upper rim, that does not exceed 25 mm. Hollowware: ceramic articles which have an internal depth measured from the lowest point to the horizontal plane passing through the upper rim, greater than 25 mm. Small hollowware: a capacity of less than 1.1 liter. Large hollowware: a capacity of 1.1 liter or more.

Cups and mugs: small ceramic hollowware vessels commonly used for consumption of beverages.

Pitchers: large ceramic hollowware vessels (sometimes known as jugs) commonly used for the storage and dispensing of fruit and vegetable juices or other acidic beverages at or below room temperature which are normally manufactured without a lid but with a handle and lip spout.

Testing standard is based on FDA CPG 7117.07&7117.06. The testing below is mainly needed to be passed. 
  • Extractable Pb, Cd in 4% acetic acid

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