Patent ID: 6103804
Filing Date: 2000-08-15
Classification: C08G,C08K,C08L,C09K

Abstract:
In a process for sealing components exposed to aggressive functional fluids with an RTV-1 silicone sealant, the improvement comprising:selecting as said sealant an aggressive functional fluid-resistant sealant, said sealant prepared by curing a sealant composition prepared from components comprising:(A) from about 10 percent to about 90 percent of an organopolysiloxane component comprising, in major part, one or more silanol-functional organopolysiloxanes;(B) an amount of an amino-functional crosslinker effective to cure said sealant composition in the presence of moisture;(C) from about 5 percent to about 50 percent iron oxide; and(D) from about 2 to about 50 percent magnesium oxide,wherein all percents herein are percents by weight relative to total sealant composition weight unless otherwise specified.