<prompt> Which of the following component acts as surface coating agent and transfer load from weaker matrix to stronger stress bearing components:Silane coupling agentFillerMatrixAdhesives  <response>: Coupling agent : A bonding agent applied to the surfaces of reinforcing particles filler to ensure that they are chemically bonded to the resin matrix. Organo-silane compounds are the more common class of dental composite coupling agents. Although titanates and zirconates can be used as coupling agents, organosilanessuch as γ-methacryloxypropyl tri-methoxysilaneare used most commonly.Phillips 12 ed page no. 275,286 