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Jiaozuo Chengyuan Trading Co., Ltd.

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Fused Zirconium Dioxide/Yttria Stabilized Zirconium/Acetylene Carbon Black

Tire Bladder

Tire Bladder

The tire curing bladder is mainly a tire curing tool, the equivalent of the inner tire mold, and its material is butyl rubber. Because butyl rubber is crystalline rubber, raw rubber itself has a higher strength, reinforcing agent makes little impact and often reduces its elongation at break, but it can improve the tear strength, modulus of extension. Butyl rubber is saturated rubber with few double bond in the macromolecule chain, so the reinforcing agent and filler can’t obtain the desired reinforcement effect. The reinforcing role between the polymer and reinforcing agent is normally completed on the polymer molecular chain with double bond and reinforcing agent surface. Therefore, the surface properties of reinforcing agents and structural conditions is particularly important to the butyl rubber, and experiments show acetylene black of high structure is appropriate. From a microscopic view, the aggregate of enhanced structure has complex shape and many twigs, the sulfur-absorbing rubber is much after mixing with rubber. the formation of the sulfur-absorbing rubber improves the dispersibility of the kneaded rubber, thereby improving the extrudability and reduces the pressure expansion expansion and contraction rate. This helps solve the problems of the suffocation and air bubbles of the tyre curing bladder.

The acetylene carbon black supplied by our company is one of pyrolytic carbon black. Compared with the furnace carbon black, it has more developed crystal and the secondary structure. It boasts developed chain structure, intermediate particle size, high structure and high purity. It plays a role in reinforcing and thermal conduction of carbon tires and tire bladder. The vulcanized rubber reinforced by it has very high tensile strength and hardness and good physical properties.

Domestic bladders generally adopt N220 or N330 as reinforcing agent to enhance the strength, tear strength and other values. But often N220 and N330 grades of carbon black dispersion are questioned. N220 produces great heat during mixing which is not conducive to the scorching time and mobility of the bladder, and the elongation is low. N330 offers low carbon black strength, mixed rubber has cross-section stratification, and the section has honeycomb closed tiny pores after adding resin and cooling. High structural acetylene carbon black has higher strength and elongation than ordinary carbon black, which benefits the physical properties of tire bladder products. Some foreign companies or large-scale bladder companies have adopted high-structure carbon black for bladder production, and have improved the actual number of use and stability.

Jiaozuo Chengyuan Trading Co., Ltd., a trusted supplier of raw materials for carbon tyres, provides cheap zirconium oxide price. Buy high quality raw materials from us!

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