Dacron is a commercial name for polyethylene terephthalate (PET). Bonding cloth to a rigid substrate such as silver plate can be done in a few different ways. Bonding to cloth is mostly a mechanical lock that forms by encapsulating strands of the cloth and then locking them to the rigid substrate. The viscosity of the adhesive will play a role, since the thinner the viscosity, the more it will wick into the cloth. A very-high-viscosity adhesive will not wick very far into the cloth. A two-part epoxy such as that offered by Loctite or 3M and a two-part urethane such as that offered by Lord Corp. are two avenues to explore. A silicone adhesive, offered by such companies as Dow Corning, Momentive Performance Materials, NuSil Technology, or other silicone manufacturers, may also do the trick.

Bonding glass and PMMA may also work with the same adhesive you use to bond Dacron cloth to silver plate, but depending on the gap between the parts and method of assembly, it may require a lower-viscosity material. The epoxy and silicone systems will be moisture resistant and have good usage life, but most manufacturers will not warrantee an adhesive for 20 years. If the bond area can be subjected to light, one-part light-curable urethane acrylates such as 203A-CTH or 209-CTH from Dymax are options.