vulcanization

['vʌlkənaı'zeıə(ə)n] n

vulcanization A chemical reaction of sulfur (or other vulcanizing agent) with rubber or plastic to cause cross-linking of the polymer chains; it increases strength and resiliency of the polymer ['vʌlkənaı'zeıə(ə)n] n

environ.

تقسية (المطاط او البلاستيك)