This invention provides a production process for natural latex sponges with high latex content, comprising the following steps: (1)
raw material preparation and pre-
vulcanization; (2) adding the pre-vulcanized latex,
zinc oxide, and curing agent dispersion obtained above together into a foaming device for foaming; (3)
vulcanization process; (4) washing,
dehydration, and
drying of the finished product. This invention's production process for natural latex sponges with high latex content allows
sulfur to be evenly dispersed in the natural latex, and then, through ultrasonic
waves, the
sulfur can fully react with the latex, effectively shortening the latex pre-
vulcanization time and increasing the foaming ratio. This not only significantly improves production efficiency and maintains the various properties of latex products, but also reduces the amount of
sulfur used, and produces natural latex products with a higher latex content.