Octamethylcyclotetrasilazane by Dongguan Unionchem is an amine curing agent. It is a solid low molecular weight polymer with a main chain composed of Si-N bonds. It can also modify hydroxyl-containing resins to improve temperature and weather resistance, such as phenolic resins, epoxy resins, alkyd resins, acrylic resins. It also improves heat resistance and mechanical strength of vulcanized rubber. It is recommended for silicone rubber processing. The shelf life of Octamethylcyclotetrasilazane is 6 months.
TETRAMETHYLDISILOXANE by Dongguan Unionchem is a high purity crosslinking agent for synthesizing RTV silicone rubber and addition type liquid silicone. It has a shelf life of 12 months.
Karstedt’s Catalyst P-5000IA by Dongguan Unionchem is a platinum-based catalyst agent with strong toxic resistant. It offers anti-yellowing, good stability, high activity, fast curing and has no by product. It does not contain silicon oil. It is suitable for polyether applications. Karstedt’s Catalyst P-5000IA has a shelf life of 12 months. It is FDA approved.
