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Hxtal NYL-1 (10 lb kit)


Product Description

10 lb kit of Part A & B
The first epoxy adhesive made specifically for conservation uses, not borrowed from another field. Hxtal NYL-1 is of exceptionally light color and yellows the least upon weathering of any epoxy known. The primary use of Hxtal is glass and china mending, but many other uses for such a low colored epoxy resin have been found. For example, Hxtal makes an excellent coating resin and can be air brushed on quite nicely from aromatic or ketone solvents. Used in this manner, Hxtal is a superb china glaze. This low viscosity, hard, colorless, glass-like epoxy resin also adheres strongly to metals, wood, ivory and marble. This exciting new epoxy cures in about 1 week at 75°F or in 2 days at 95°F. Cure times can be cut sharply by preheating the mix to 100°F for 15 to 20 minutes before use, and for even faster cure, immediately after mixing raise the temperature to 140°F - 170°F for 1 to 2 minutes. After cooling, such preheated resin has a viscosity similar to the viscosity of the epoxies commonly sold in tubes, and the cure time is just a few minutes. The cure time can be shortened by heating the cemented object up to 140°F. Hxtal is a two part epoxy resin system. The resin (Part A) and the hardener (Part B) are mixed 3:1 by weight. The unused mix can be kept for 4 to 5 days in the freezer. It is most important that the container be tightly closed. The cured resin does not embrittle with time and is very resistant to yellowing and surface degradation, even after prolonged exposure outdoors. Hxtal's initial yellowness index is 6 to 8 which is unchanged after 1600 hours of Weather-ometer exposure, rising slowly to 13 to 14 at 3,000 hours. The best competitive epoxy adhesive has an initial Yellowness of 9 which rises to over 40 after 800 hours in the Weatherometer. After 800 hours exposure, the coating began to erode away. When colored with titania, the resin can be made to match the finest porcelain in color, translucency and surface appearance. With or without pigment, Hxtal NYL-1 can be used as a glaze that is highly resistant to water and most solvents. The cured resin can be removed from hard surfaces with Epoxy Resin Dissolver, but prolonged soaking may be required to soften joints.

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