Solid Visco-Gel

Solid Visco-Gel is a crafted element made in the Molecular Forge from Isoresin and Petroleum. The recipe converts 35 kg of Isoresin plus 65 kg of Petroleum into 100 kg of Solid Visco-Gel.

It is not found directly in the provided sources as a natural world material, but as a manufactured product of late-game industrial processing. Because the full output mass is greater than either input alone, it is a straightforward way to convert those two materials into a different building material or resource form through the Molecular Forge.