Lens Technology International, LLC (LTI) is a manufacturer of UV curable scratch resistant coatings for plastic, glass, and m ... etal substrates. In 2014, SDC Technologies, Inc., purchased a majority interest in LTI and changed the name to LTI Coating Technologies, LLC. SDC Technologies is the world leader in thermal cure coatings for the ophthalmic and sun glass industry and is wholly owned by Mitsui Chemicals, Inc. read more