| http://www.w3.org/ns/prov#value | - The active substance matrix can be .[.contact.]. .Iadd.pressure sensitive .Iaddend.adhesive and can e.g. be a rubber material, such as styrene/isoprene/styrene block copolymers, silicone rubber or synthetic resins, such as poly(meth)acrylate, polyurethane, polyvinylether, polyester, etc--a list of suitable matrix materials appearing e.g. in DE-OS 3500 508, to which reference is made.
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