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Old Oct 21, 2004, 08:08 AM
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Grand Rapids Kent Cty, Michigan, United States
Joined Jan 2004
131 Posts
We are using 3M 90 in a model building class that I am doing at my high school. It was obtained by my teaching partner whose wife is a 3M distributor. It definately does not eat the foam.

My only concern with the 90 is that it goes on kind of like silly string, not the smooth almost invisible coating that you get with the original 77. Is this somthing that is a weight issue? We don't have any planes completed yet, but I am just wondering.
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