The company's newest foil polymer tubes feature a dual split-chamber foil wall and the ability to store two formulas separately in one portable package. The tubes can be filled and crimped on any hot-jaw tube filler, and the simple design reportedly makes them an attractive option to house product that calls for complementary formulas to be stored separately until applied.
Source:
http://www.packagingdigest.com/article/523041-Two_part_tubes.php
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