The UL polyurethane foam gasket is resistant to oil, water, ozone, general weathering, and many chemicals. All swing handles and almost all zinc, stainless, and GR nylon quarter-turn latches now have the F-i-P gaskets. The Smart Hardware line consists of handles, locking systems with master keying, single and multipoint latches, hinges, gasketing, and EMI shielding materials.