Nonreversible chemical reaction involving sulfur or other suitable agent wherein cross links are formed between molecular chains in rubber materials.

• 硫化是采用硫或者其它适当添加剂处理橡胶原料过程中发生的不可逆化学反应。此种反应在橡胶的分子链间形成横向连接，橡胶的弹性模量和强度会得到提高。