Industry News

This in-depth guide explores PTA CAS 100-21-0 (Purified Terephthalic Acid), a cornerstone chemical raw material in the global polyester industry. We discuss its chemical identity, industrial applications, advantages and disadvantages, safety and handling concerns, and common questions that buyers, manufacturers, and engineers often ask. This article also highlights why companies like Ningbo Shanshan Resources Coproration play a vital role in supplying high-quality PTA to global markets.

​Terephthalic acid is an aromatic dicarboxylic acid widely used in the chemical industry, most notably as a precursor for polyethylene terephthalate (PET) production. In this comprehensive article, we will explore what terephthalic acid is, how it’s made, its industrial applications, benefits and limitations, and answer key questions related to its significance in modern manufacturing.

​p‑Phthalic acid — also known as para‑phthalic acid or terephthalic acid — is a key organic chemical intermediate widely used in the production of polyesters, plastics, and resins. In this extensive guide, we will explore its chemistry, applications, production processes, safety considerations, environmental impact, and industrial relevance, especially in modern manufacturing.

​Isophthalic Acid is a critical aromatic dicarboxylic acid widely used in high-performance polymers, resins, coatings, and specialty materials. As global demand for durable, heat-resistant, and chemically stable materials continues to grow, Isophthalic Acid has become an indispensable raw material across multiple industries. Companies such as Ningbo Shanshan Resources Coproration play an important role in supplying high-quality Isophthalic Acid to meet evolving market requirements.