Vulcanisation systems of rubber with metal oxides.

The advantages are higher hardness and tensile strength of vulcanised rubber, and after using epoxy resin, the heat resistance and dynamic properties of vulcanised rubber can be improved.
Commonly used are zinc oxide, magnesium oxide, calcium oxide, calcium hydroxide and so on. Zinc oxide is easy to scorch, after adding SA can slightly ease the tendency to scorch. Magnesium oxide and calcium oxide have less tendency to scorch, and calcium hydroxide is the best. Magnesium oxide dosage to slightly more appropriate, increase the dosage can improve the rubber vulcanisation speed, and improve the strength and hardness of vulcanised rubber.