Onchem MT174 (Liquid Methyl Tin Mercaptide Thermal Stabilizer): Onchem MT174 is a high-performance liquid methyl tin mercaptide heat stabilizer, developed for rigid PVC and copolymers. It offers excellent initial color retention and long-term thermal stability during processing. Additionally, it complies with global regulations for use in food-contact packaging applications.

Onchem MT181 (Methyl Tin Mercaptide): Onchem MT181 provides high thermal stability, outstanding initial color, and long-lasting color retention. It is suitable for calendaring, extrusion, injection molding, and blow molding of both flexible and rigid PVC. It is commonly used in PVC film, sheets, granules, construction materials, medical devices, food packaging, and daily-use applications.