ISO 2303 pdf download Isoprene rubber (IR) — Non-oil-extended, solution-polymerized types — Evaluation procedures 1 Scope This International Standard specifies,for general-purpose non-oilextended,solution-polymerizedpolyisoprene rubbers (IR): -physical and chemical tests on raw rubbers; standard materials, a standard test formulation, equipment and processing methods for evaluating thevulcanization characteristics. 2Normative references The following referenced documents are indispensable for the application of this document.For datedreferences,only...