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    4. what year was toothpaste put in tubes
    what year was toothpaste put in tubes

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    +1  Views: 538 Answers: 1 Posted: 12 years ago
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      Prior to WWII, toothpaste was packaged in small lead/tin alloy tubes. The inside of the tube was coated with wax, however, it was discovered that lead from the tubes leached into the product. It was the shortage of lead and tin during WWII that led to the use of laminated (aluminum, paper, and plastic combination) tubes. At the end of the twentieth century pure plastic tubes were used.


      SOURCE: http://www.saveyoursmile.com/toothpaste/toothpaste-a.html

      12 years ago. Rating: 1
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