| http://www.w3.org/ns/prov#value | - Broadly, the color changing layer can have a binder matrix which comprises 20 or more percent by weight of the halogen containing polymer and especially 40 to by weight of the preferred vinylidene chloride copolymers as previously mentioned. 7 A wide variety of other resinous materials may be included as components of the color changing layers of the new indicator tapes.
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