The best replacement for resin is plastic.

The best alternatives to resin are rated as following:
★★★★★  plastic
★★★★★  amalgam
★★★  rosin
★★★  epoxy
★★  tomcat
★★  steel pool
★  epoxy resin
★  sap
★  hash
★  aluminum pool
★  steel pools
★  metal brake pads
  acrylic tub
  acrylic tubs
  polymer
  jetty
  acrylic bathtubs
  metal pads
  ceramic watches
  polyester resin
  steel above ground pools
  diecast
  rubber
  glass filters
  resin jelly
  amalgam fillings
  glaze
  jboss
  sintered pads
  diamond glaze
  lucite
  ivory

Your alternative for resin is not listed? Suggest!
Speaking about resin, one probably shouldn't forget about hardener.

Other search terms related to resin and their ratings are:
★★★★★ hardener
★★★ fiberglass
★★ polymer clay
★★ bezel
★ nail polish
bondo
acrylic paint
pebbles
acrylic
You have in mind a companion for resin and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of resin in all years. Click on graph for more.
resin
plastic
amalgam