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2. Natural vulcanization accelerators in Hevea latex.;Altman;Ind. Eng. Chem.,1948
3. ASTM D1278-91a, Standard Test Methods for Rubber from Natural Sources – Chemical Analysis;American Society for Testing and Materials,2015
4. ASTM D2227-96, Standard Specification for Natural Rubber (NR) Technical Grades;American Society for Testing and Materials,2020
5. ASTM D1076-21, Standard Specification for Rubber—Concentrated, Ammonia Stabilized, Creamed, and Centrifuged Natural Latex;American Society for Testing and Materials,2021