Presto offers the Glass Strain Viewer, which is a highly efficient strain viewer that contributes the manufacturers to check the quality and transparency of Preforms. The purpose of the device is to provide the best quality products to the customers. The principal of this instrument is that any change in the refractive index is caused by different strain distribution that causes lower transparency of the material. There are a variety of sizes and specifications available for this machine, as per the need of the customers.
The Photoelasticity is the main issue occur in PET, Preforms, and Glass products. The photoelasticity is defined as a change in the refractive index of the material when strain distribution is uneven throughout the material. The Photoelasticity issue is the major fault in the quality of the products and is a big concern for the manufacturers of the PET, Preforms, and Glass products.
Presto designs and manufactures Delux and Computerized model of Glass Strain Viewer. The instrument is made using the best quality material so that an extended service life and accurate testing procedures can be enabled. The Zinc chrome plating of the device provides protection against corrosion and rust. The smooth and attractive finish in grey and blue color adds the attractive look of the machine. The testing device is supplied with an instruction manual and a conformance certificate that is traceable to any NABL approved laboratories.
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