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how does toothpaste always come out of the tube striped?
even when i mash up the tube and try to mix it, it still comes out of the tube striped
3 Answers
- 1 decade agoFavorite Answer
http://upload.wikimedia.org/wikipedia/commons/9/95...
The red area represents the material used for stripes, and the rest is the main toothpaste material. The two materials are not in separate compartments; they are sufficiently viscous that they will not mix. Applying pressure to the tube causes the main material to issue out through the pipe. Simultaneously, some of the pressure is forwarded to the stripe-material, which is then pressed onto the main material through holes in the pipe.
Source(s): Wikipedia: Toothpaste - Anonymous1 decade ago
Images of you mashing up the toothpaste! Maybe it only mixes with water?
- 1 decade ago
MAGIC :D
but no really i don't know.. interesting question though. i'd like to know :)
