This mod is intended to use in the Compression modpack, but it will function outside of it.
https://www.curseforge.com/minecraft/modpacks/compression
Its purpose is to make tweaks to ChemLib (and down the line, Alchemistry) as they are needed by the pack.
Current features:
{
"parent": "minecraft:item/generated",
"textures": {
"layer0": "compressed_chemistry:item/blank_layer0",
"layer1": "create:item/golden_sheet"
}
}