Polariscope Strain Viewer

Presto presents Polariscope Strain viewer, a high-quality testing instrument that is used for checking the quality of PET preforms. It works on the principle that any change in the refractive index of a material indicates strain in that material which affects the quality of the material.

Presto offers two models of Polariscope for preform equipment namely, Polariscope DX and Polariscope Computerized that are made from best quality of raw materials for long service life and high level of precision. Presto offers a variety of sizes and designs Polariscope for glass and preform according to requirements of our clients.

Presto’s Polariscope is a strain viewer for glass and PET Preform that is provided with a metallic base and is painted in autumn gray and blue colour. Along with that, it is also provided with zinc/chrome plating which provides the equipment, excellent resistance from corrosion. A user manual and a calibration certificate are provided with the instrument which is traceable to Labs approved by NABL. With these features and specifications, Presto offers a robust and precise solution to check the quality of the PET preforms used in plastic industry and that also at very competitive prices.