Zinc oxide for rubber is found in various rubber industry products, such as vehicle tires, gloves, shoe soles, and rubber components in the automotive and manufacturing sectors. Its use not only supports the quality of the final product but also helps maintain the stability of the production process, resulting in stronger and more durable rubber materials.

Zinc Oxide for Rubber Formulation

Zinc oxide is an important ingredient widely used in the rubber manufacturing process. This compound functions as an activator in the vulcanization stage, a process that increases the material’s strength, elasticity, and resistance to heat and pressure.

Activating an Optimal Drying System

The reaction between zinc oxide and stearic acid produces a compound called zinc soap. The presence of this compound helps increase the zinc oxide’s ability to dissolve in the mixture. Furthermore, zinc soap can interact with accelerators to form more reactive chemical complexes.

Improving Aging Resistance in Vulcanized Rubber

During the vulcanization process and during use, some polysulfide bonds can break down, producing H₂S gas, which can accelerate cracking in the material. The presence of zinc oxide helps suppress this process because this compound reacts with H₂S to form new cross-links.

Utilization of Zinc Oxide in Rubber Products

Several examples of its applications can be found in various types of rubber products used in various fields.

Vehicle Tires

The tire industry is one of the sectors that utilizes zinc oxide most as an additive in rubber products. This compound plays a crucial role in increasing material strength, making tires more resistant to wear and tear.

Shoe Soles

In the footwear industry, zinc oxide is used as an additive to increase the flexibility and strength of the soles. Its use makes the sole structure stronger, less prone to cracking, and maintains flexibility when used for walking.

Rubber Gloves

Rubber gloves are widely used in the medical and industrial fields, requiring both strong and elastic materials. A balance of these two properties is crucial to ensure the product remains comfortable to use and resists damage.

The application of zinc oxide for rubber significantly improves the performance and quality of various rubber products. Its role as a vulcanization activator helps produce a material that is stronger, more elastic, and more resistant to heat and pressure, making it suitable for use in a variety of industrial applications.