PTFE / Teflon is an amazing non-stick material, but what about when you need to glue it to the suface of another material ? In order to bond standard PTFE / Teflon to another surface such as stainless steel, a process called ''etching'' is required.
PTFE / Teflon can be etched with a sodium ammonia or sodium naphthalene etch so that its surface is chemically modified for adhesion to various substrates using ordinary commercial grade epoxies. When etched for bonding