Publish Time: 2022-05-09 Origin: Site
Raw rubber is the most important raw material in the industrial production of high-capacity caster tires, but the use of raw rubber alone cannot make the rubber products we require. For swivel caster rubber to have the required performance, various chemical materials must be added to the raw rubber. These chemical materials are called rubber compounding agents or additives. There are many additives used in the rubber industry, and different compounding agents have different effects on rubber properties and their effects on rubber compounds. According to their technical uses, they can be divided into vulcanization accelerators, accelerator activators, reinforcing agents, softeners, antioxidants, etc. The most important of which are vulcanizing agents and reinforcing agents. So what is the compounding agent that a high capacity caster needs to use? Let's take a look together next.
Here is the content list
l Vulcanizing agent, vulcanization accelerator
l Reinforcing agent, softening agent
l Anti-aging agent
Sulfur can reduce the plasticity of the high-capacity caster raw rubber, increase elasticity, and improve physical and mechanical properties. A substance like sulfur is called a vulcanizing agent. A vulcanization accelerator refers to a substance that accelerates the vulcanization process. It can be divided into two categories: organic accelerators and inorganic accelerators. Most organic accelerators can only effectively play their role in promoting a swivel caster in the presence of certain substances called active agents. Therefore, vulcanization accelerators and active agents are very important for rubber vulcanization, just like vulcanizing agents.
Pure swivel caster rubber cannot be used on tires from the standpoint of hardness, strength, and wear resistance. Reinforced rubber must be used in tire production. For this reason, more oil is added to raw rubber, and carbon black is approximately equal to that of rubber. Therefore, the so-called rubber is strictly a homogeneous composite material composed of high-capacity caster rubber and carbon black. The biggest advantage of carbon black as a strong agent is: due to the unique adsorption of carbon, the surface of the carbon particles adheres very well to the swivel caster rubber, so it has good wear resistance. Furthermore, the diameter of the carbon particles can be small, so that the dispensability in the rubber is better, the performance of the rubber can be significantly improved, and it can be manufactured at a lower price. Therefore, carbon black is the most important compounding agent to control the characteristics of tires.
Because most of the reinforcing agents are powdered medicines with fine particles, to improve the dispersibility of the powder compounding agent in the high-capacity caster rubber, a softener is usually added to the raw rubber. Of course, the purpose of adding softeners, in addition to improving the dispersion ability of the reinforcing agent, is mainly to improve the flexibility, plasticity, and other process properties of the swivel caster compound.
High-capacity caster tires are affected by oxygen, ozone, heat, and sunlight in the air during use. After repeated deformation and fatigue, physical and mechanical properties will deteriorate, hardened, brittle, and surface cracks will occur. The phenomenon, this phenomenon is called aging. To prevent the high-capacity caster rubber from aging, some substances added to the rubber compound are called antioxidants. There are two kinds of antioxidants, physical antioxidants, and chemical antioxidants, which should be selected according to the specific conditions of use of high capacity caster rubber.
Jiangsu Shenpai Caster Co., Ltd with an experienced team and efficient devices, can be your reliable supplier. The above is the relevant content about the compounding agent that high capacity caster needs to use. If you are interested in a swivel caster, you can contact us. We will provide relevant equipment for you to view. Our website is https://en.shenpai.com/. I look forward to your coming and hope to cooperate with you.