Based on this product's specifications, here are some alternatives and similar models
Insulating Gel RAYTECH MAGIC-FLUID-90 — electrical insulating and protective gel, MAGIС-FLUID-90
Summary description:
RAYTECH MAGIC-FLUID-90 is an insulating gel designed for electrical insulation and protection of components. It provides a non-conductive, protective layer suitable for use on connectors, terminals and sensitive electronics to prevent moisture, dust and corrosion. The gel is applied where flexible, reworkable insulation and environmental protection are required.