Providing Custom Powder Coating Services and Plastic Powder Coating Services Since 1959. Hartford, Ct Plastonics can Provide Dip Coatings, Nylon, Vinyl, Epoxy for Industrial and Consumer Products. Plastic Powder Coating Specialists. painting services including production painting. Fluidized bed, electrostatic, tumbling & dip-to-a-line powder coating services are available. Capabilities include electrical high-potential testing, bagging, labeling, packaging, engineered tooling, masking, blasting & ...