Product testing also called consumer testing or comparative testing, is a process of measuring the properties or performance of products.The theory is that since the advent of mass production manufacturers produce branded products which they assert and advertise to be identical within some technical standard.

Product testing seeks to ensure that consumers can understand what products will do for them and which products are the best value. Product testing is a strategy to increase consumer protection by checking the claims made during marketing strategies such as advertising, which by their nature are in the interest of the entity distributing the service and not necessarily in the interest of the consumer. The advent of product testing was the beginning of the modern consumer movement.

Product testing might be accomplished by a manufacturer, an independent laboratory, a government agency, etc. Often an existing formal test method is used as a basis for testing. Other times engineers develop methods of test which are suited to the specific purpose. Comparative testing subjects several replicate samples of similar products to identical test conditions.

The following physical testing can be performed:

  • Gelatin content (in jellies)
  • Solubility of products
  • Bulk density
  • Insect infestation
  • % Brokens
  • Strength of bags
  • Practical evaluations
  • Brix
  • Overall package appearance of final product
  • Mass (nett and drained) and volume determinations, diameter, width, length and height determinations
  • Unit counts, unit mass average
  • Overall product appearance
  • Vacuum (in canned foods)
  • Uniformity in size, shape and colour (e.g. In canned fruit or vegetables)
  • Viscosities
  • Set (for preserves/ jams)

Detergent Physical Testing

Sediment content in bleaches
Practical evaluations
Bulk density
Skin sensitivity
Strength of bags

Non food/Miscellaneous testing

Dimensions (height, width, length, diameter)
Unit counts
Mass – g/m 2
Ply (on toilet paper and tissues)

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