Do site do fabricante:
Mr.Masking Sol R contains a new formulation which can be readily applied, cut, and removed after use. This product has the same characteristics as the previous Mr.Masking Sol M131, which is no longer manufactured. It is a water-soluble product, so when it thickens during usage, you can thin it out with tap water for extended use.
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https://www.mr-hobby.com/en/pr...category_39/211.html