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Preform Strain Viewer - China

price: 4000.00 Dollar US$

Application area

This Polariscope is designed to observe and analyze the distribution of internal strain in transparent plastic preforms.

It has been widely used in the quality control of various plastic rough processing products and finished bottles.

Specifications : Viewing field: 200* 200 mm

Overall size: 300*335*330 mm

Main voltage: 220 V AC

Measuring space height : 234.5 mm

Light source: LED ( White and Sodium light)

Gross Weight : 10KG

Packed in 1 carton : 45*45*32cm Features 1 - Defects invisible to the naked eyes such as crystallization or other common defects become visible ;

2 - When the plastic preform is placed on the Polarizer at a 45° angle, the colored birefringent stripes at the edge of the preform can be observed;

3 - When the plastic preform is placed on the polarizer at a 0°or 90° angle, black birefringence stripes in the central part of the preform will be displayed;

4 - In addition to white light, Sodium light is also used to test colored preforms or finished bottles;


Company Contact:


  • Phone: 8618913228862

  • Address: NO. 189 , Zhangji Road , Eocnomic Development Zone, Kunshan , China (Mainland), China

  • Email: Email


Published date: February 5, 2021

  • Business Description: Technology-leading Stress Measurement

    PTC specializes in optical inspection and stress measurement solutions , involving glass, plastic, optical film, flat panel display, PCB and more industries.

    After years of research and practice, we have successfully developed

    well received products, such as Surface Stress Meter, Polariscope and AOI machine.

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