Jan 30, 2017 ยท Disadvantages of cold form foil blisters : The slower speed of production compared to thermoforming; The package is opaque, making the inspecting system, which rejects the faulty blister card, complicated and costly. The cost of cold forming aluminium film is higher than PVC. The larger size of the blister card (aluminium cannot be formed with .... . Nylon Stamp Making Machine, Polymer Stamp Making Machine Polymer Stamp Machine Vision 18-4 0 out of 5 Rs. Rs. Add to cart Quick View-14% Polymer Stamp Making Machine Sheet Polymer Stamp Machine Platex-6 0 0. "/>Polymer stamp making machine