These tools provide a conformable membrane on all sides of the mold and/or part. Double diaphragm tools are geared more towards production than envelope bags and are less susceptible to getting damaged.

Double diaphragm tool with upper and lower EL78 high-strength silicone Interflow diaphragms. Interflow has a breather grid molded into the surface and can be used in applications where part mark-off is not a concern.

Two relatively small double-diaphragm tools with ESD-safe coating for sensitive electronic assemblies.

These tools have molded upper and lower diaphragms that secondarily bond components to a composite part. This configuration stabilizes the part and eliminates warpage during the secondary cure

This large, curved double-diaphragm tool is ideal for secondary bonding of large, curved sandwich panels and laminates. It has a high-flow vacuum valve and integral cart.