In stock, standard and cut to size engineering plastics, serviced by plastic professionals


Onlineplastics is your source for unique materials that are ideal for creating working prototypes, models, and mock-ups. We maintain stock of two-part castable urethanes and fastcast resins in easy one to one mix ratios, polyesters, and a wide range of silicones in low to high viscosity for even the most detailed applications.

Clear urethanes are available for applications where visibility is a requirement and we have a vast selection of machinable plastics to meet virtually any characteristics or properties your prototype needs.

Our experts have hands-on experience in the prototype industry and they are ready to assist you with finding the appropriate materials for your prototype project.