Product 210/211 is constructed with an exterior of heat shrink
PTFE and an inner layer of FEP. It is easy to apply, and is
designed to provide a tight, moisture-proof bond over wires,
cables, connectors, splices, terminals, etc. The PTFE shrinks
tightly over inserted parts when the covered section is heated,
while the FEP melts and flows into a solid or near-solid encapsulation
with a fit so tight that it can withstand the most severe stresses
involving pull or vibration. This product provides all the outstanding
electrical, chemical, and mechanical properties of PTFE, including
a service temperature up to 450° F (232° C).