What are resins?

Answer:
It can be the hydrocarbon secretion of many plants , these are such as rosin, shellac, damar, copal, but their are a multitude of synthetic ones; phenolics, acrylics, alkyds and plastics in general. These vary in structure from soft to hard brittle, depending on their molecular weight
Contributor: Norman
First answer by ID2050158606. Last edit by Norman Nicolson. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].