Designing of Plastic Products for Injection Moulding
Water transfer printing or hydrographics is a surface decorating technique for three dimensional objects. The process consists of five steps. First one is film printing in which the desired design is printed over a water soluble film. Second step involves the ink rewetting in which an activator is applied to the film due to which the film gets dissolved and leaves ink on surface of water. Third stage is the transfer of the ink on to the part. In this stage the part is dipped into the container containing film and water. Since film act as a medium for print transfer after the transfer process its role is finished and it is washed off in the fourth stage. The final stage involves drying and top coating in which excess water is dried off and transparent top coat is applied to protect printed surface.
