High-molecular compounds on a base of compositions of epoxy resins with hardeners are used as bonding agents in unhomogeneous materials of the glass-fiber reinforced plastic type. After the solidification of these compounds a polymer is formed with a rigid spatially cross-linked molecular structure. Author
Edited machine trans. of Teplovye Napryazheniya v Elementakh Konstruktsii (USSR) n8 p256-261 1969, by Charles T. Ostertag.