There are several material options for eyeglass frame adhesives, each with its own unique properties and applications. Some of the most common materials used in eyeglass frame adhesives include:

1. Cyanoacrylate (super glue): Cyanoacrylate adhesives are fast-acting and provide a strong bond between materials such as plastic, metal, and glass. These adhesives are best suited for bonding materials with smooth surfaces, and they can be used to repair small cracks or breaks in eyeglass frames.

2. Epoxy: Epoxy adhesives are known for their high strength and durability. They are ideal for bonding materials that are under constant stress or pressure, such as metal or titanium eyeglass frames. Epoxy adhesives can also be used to fill in gaps and provide a strong bond between different materials.

3. UV-cure adhesive: UV-cure adhesives are activated by exposure to ultraviolet light, which causes them to harden and form a strong bond. These adhesives are often used in the manufacture of eyeglass frames, as they provide a quick and reliable bonding solution.

4. Acrylic: Acrylic adhesives are versatile and can be used to bond a wide range of materials, including plastic, metal, and glass. These adhesives are highly resistant to moisture and temperature changes, making them ideal for use in eyeglass frames that may be exposed to harsh environmental conditions.

5. Silicone: Silicone adhesives are flexible and provide a strong bond between materials. They are often used to bond materials that expand and contract, such as plastic or rubber eyeglass frames. Silicone adhesives are also resistant to moisture and can be used in applications where a waterproof bond is required.

6. Hot melt adhesive: Hot melt adhesives are thermoplastic materials that are melted and applied in a liquid form. Once they cool and solidify, they form a strong bond between materials. Hot melt adhesives are commonly used in the assembly of eyeglass frames and can provide a quick and reliable bonding solution.

Overall, the choice of eyeglass frame adhesive will depend on the specific materials being bonded, the application requirements, and the desired strength and durability of the bond. It is important to carefully consider these factors when selecting an adhesive for eyeglass frame repair or manufacturing to ensure a successful and long-lasting bond.