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-5000LF by Dongguan Unionchem is a strong toxic resistant, platinum-based catalyst. It offers good stability, high activity, low temperature fast curing, anti-yellowing and has no by product. It is suitable for silicone molding rubber. It can be diluted in Vi-silicone oil. Karstedt’s Catalyst P-5000LF has a shelf life of 12 months. It is FDA approved.
