Phenolic Resins (standard colors are black, red and green) – low cost and a variety of colours
Acrylic Resins (clear) – excellent clarity
Diallyl Phthalate Resins (blue and black) – provides a harder mounting support edge next to the specimen often used for coatings or heat treating sample analysis
Epoxy Resins (glass-filled) – provides a harder mounting support edge next to the specimen often used for coatings or heat treating sample analysis
Conductive Resins (phenolics with copper or graphite filler) – special resins can be made conductive for scanning electron microscopes SEM to prevent the specimen from building up a charge