LiquaCast Long-Life is easy to use, too. Small channels will not be squeezed closed during injection and. CASTALDO LONG-LIFE LIQUACAST JEWELRY MOLDING RUBBER LONG LIFE LIQUID 8.8KG 20LBS. LiquaCast® Long-Life™ 0% shrinkage RTV rubber is formulated to last for decades without softening, distorting or degrading in any way.
