Question: what is the difference between nylon 6 and nylon 66?
Answer: Nylon 6 is made from one monomer which has 6 carbon atoms whilst Nylon 66 is made from 2 monomers with each one having 6 carbon atoms, hence the Nylon 66 name. An important difference between Nylon 6 & 66 is mold shrinkage. ... Nylon 66 would be a better choice between the two.