Home  >  Products  >  MXRW-300MT-3 Thermal Deformation Vicat Softening Point Temperature Testing Machine
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1.Working Principle

Determination of the Vicat softening point temperature of thermoplastics: When the temperature is raised at a constant rate, the temperature at which the standard needle is pierced 1 mm deep on the surface of the thermoplastic sample under a certain load condition is measured.

Determination of the heat distortion temperature of plastic bending load: the plastic sample is immersed in a suitable liquid heat transfer medium with constant temperature rise, and the temperature at which the specimen bends and deforms to a specified value under the static bending load of the simply supported beam type .

 

2.Features  

1)Super high intelligent design

After inputting the parameters and placing the sample, the test is started, the dial gauge is automatically cleared, the instrument automatically balances the temperature, and the temperature starts automatically. After the last sample is measured, the experiment is automatically stopped and the data is automatically recorded.

2)Efficient test efficiency

The hot deformation test can also be done at the same time in a fuel tank. The Vicat test can also be performed. Each test station can be combined into a group to carry out the test. Once the temperature rises, several test reports can be independently produced, which greatly improves the test efficiency.

3)High precision measurement and control system

The high-performance temperature sensor and the advanced capacitive-gate digital dial indicator are used to accurately measure the small changes of the sample with an accuracy of 5μm. The advanced PID algorithm and the all-optical isolation phase-modulation module are used for temperature control to ensure the heating rate error. Less than 0.5 °C.

4)Sample rack automatic lifting

The sample holder has an electric lifting function, which can be stopped at any position, and the metal button is beautiful and practical.

5)Four safety protection

Multiple hardware and software safety design such as mechanical temperature upper limit protection switch, software temperature upper limit protection, test completion automatic stop and administrator operation key to ensure safe and stable operation of the test.

 

3.Technical Parameters   

     

Model

MXRW-300MT-3

Temperature control range

Room temperature ~ 300 °C

Maximum temperature error

±0.5 °C (50 degree heating rate)

Heating rate

50°C/h,120°C/h

Temperature measurement point

1

Number of test racks

3 pieces

Deformation measurement range

-0.1~9.0mm  

Maximum deformation error

±0.005mm

Sample support span

64mm、100mm

Using media

Methyl silicone oil or transformer oil

Protective function

Software upper temperature protection and hardware upper temperature protection

Control method

Using single chip microcomputer and PC distributed control system

Lifting system

With sample holder and weight automatic lifting system

Cooling method

Refrigeration tank rapid cooling

ISO 2507 Thermoplastics pipes and fittings- Vicat softening temperature - Part1: General test method

ISO 75 Plastics - Determination of Temperature of Deflection Under Load

ISO 306 Plastics-Thermoplastic materials - Determination of Vicat Softening Temperature (VST)

ASTMD 1525 Standard Test Method for Vicat Softening Temperature of Plastics

ASTMD 648 Standard Test Method for Deflection Temperature of Plastics  Under Flexural Load in The Edgewise Position

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