PTC-A & PTC-B is a two-part platinum catalyst for silicone rubber addition curing. Both parts should be used together in procession. It is good at low curing temperature, shorter curing time, and non- smell of end product which can meet the standard of ROHS and FDA .

CAS NO. 68478-92-2 Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane。