In the ammonium sulfate industry, many customers are familiar with the SINOPEC brand and naturally associate it with caprolactam-based ammonium sulfate, which enjoys a high level of trust and strong brand preference during procurement.

However, it is important to clarify that not all ammonium sulfate sold under the SINOPEC brand is produced via the caprolactam process.

The SINOPEC ammonium sulfate referred to here is derived from a power plant by-product process, which is fundamentally different from caprolactam-based ammonium sulfate. As a result, there are noticeable differences in purity, nutrient content, crystal stability, and overall product consistency. Compared with caprolactam-based material, this product is positioned at a relatively lower quality level.

We kindly recommend paying close attention to the production process and product specifications when making purchasing decisions.

If you require expert guidance to ensure you purchase the right ammonium sulfate for your application, please feel free to contact us.

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