Engineering Plastics, Industrial Plastics, Thermoplastics | Dotmar Engineering Plastics, Thermoplastics, Plastic Sheets, Plastic Rods, Acrylic, Acetal, Polyurethane, Polycarbonate, Sheets, PVC, HDPE, Dotmar is currently one of the largest importers, distributors and machinists of thermoplastic stock shapes, polyurethane and conveyor components in Australia and New Zealand.