NINGBO INNO PHARMCHEM CO.,LTD. is a leading supplier of specialty chemicals that are crucial for enhancing product performance across various industries. In the footwear sector, the demand for lightweight, comfortable, and durable materials has led to the widespread adoption of Ethylene Vinyl Acetate (EVA) foam. The creation of high-quality EVA foam is heavily reliant on effective foaming agents, and Azodicarbonamide, particularly the AC7000 grade, is a standout choice. This article details why AC7000 is the preferred EVA shoe sole foaming agent.

EVA foam is synthesized by crosslinking EVA polymer chains and simultaneously introducing a cellular structure using blowing agents. This process imbues EVA with its characteristic springiness, shock absorption, and light weight, making it ideal for shoe midsoles, insoles, and entire shoe structures. The key to achieving these desired properties lies in the controlled decomposition of the blowing agent, which releases gases to create a fine, uniform cellular matrix within the EVA polymer. High-temperature foaming agents like Azodicarbonamide are perfectly suited for this task.

Azodicarbonamide (AC7000) is a chemical blowing agent that decomposes at temperatures typically ranging from 190°C to 205°C. This decomposition temperature range is highly compatible with the processing temperatures required for EVA, which are generally between 160°C and 200°C, depending on the specific EVA grade and processing method. NINGBO INNO PHARMCHEM CO.,LTD. provides AC7000 with a precise decomposition profile and a fine particle size (often 3-5 microns), ensuring that the gas is released at the optimal moment during the molding or extrusion process of EVA. This leads to a uniform distribution of cells, preventing defects like large voids or collapsed cells.

The benefits of using AC7000 as an EVA shoe sole foaming agent are manifold. Firstly, it contributes significantly to reducing the density of the final EVA product, resulting in lighter footwear that enhances wearer comfort and reduces fatigue. Secondly, the fine cell structure achieved through AC7000 enhances the cushioning and shock-absorption properties of the EVA sole, providing superior comfort and support. Thirdly, its high gas yield means that even a small amount of the foaming agent can produce a substantial volume of foam, contributing to cost-effectiveness in manufacturing. The high-temperature foaming agent for plastics, AC7000, ensures efficient processing in both injection molding and compression molding techniques commonly employed for EVA footwear components.

Beyond comfort and weight, the durability of EVA footwear is also influenced by the choice of blowing agent. The controlled foaming process facilitated by AC7000 helps create a robust cellular structure that resists compression set, meaning the foam can return to its original shape after being compressed. This resilience is critical for the longevity of shoe soles and insoles. NINGBO INNO PHARMCHEM CO.,LTD. ensures the quality and consistency of its Azodicarbonamide, which translates directly into reliable performance for footwear manufacturers.

The application of AC7000 in EVA footwear production is a testament to its versatility and effectiveness. Whether for high-performance athletic shoes requiring maximum cushioning or casual footwear prioritizing lightweight comfort, AC7000 proves to be an essential component. Understanding the chemical blowing agent powder price in relation to its performance benefits is crucial, and NINGBO INNO PHARMCHEM CO.,LTD. offers competitive pricing for this premium foaming agent.

In conclusion, Azodicarbonamide (AC7000) is the quintessential foaming agent for EVA applications in the footwear industry. Its ability to facilitate the creation of lightweight, comfortable, and durable EVA foams makes it indispensable for manufacturers aiming to produce high-quality footwear. NINGBO INNO PHARMCHEM CO.,LTD. is proud to supply this critical additive, supporting innovation and excellence in shoe manufacturing.