Determining the drop point of plaster by automatic drop point determination technology (CAT#: STEM-PPA-0181-LJX)

Introduction

Some synthetic and natural products are important raw materials in various industry sectors, and there is no clear melting point, so other methods must be measured. In general, drop point or softening point testing is one of the few easy-to-implement methods available for thermal characterization of such materials. Drop points and softening points are mainly used for quality control, but are also valuable in research and development to determine the use temperature and process parameters of many different materials. The drop point of plaster can be measured by automatic drop point measurement technology.

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Principle Applications Procedure Materials Notes Related Products

Principle

During the test, the cup containing the sample is placed on the support, and the furnace is installed on the outside of it. The expected drop point temperature of the sample is set through the instrument keyboard, and the temperature is raised according to the preset heating program. The photodetector automatically records the temperature at which the first drop of sample is dropped from the mouth of the cup, which is the drop point of the sample.

Applications

For drop point determination of non-crystalline materials such as synthetic and natural products

Procedure

1. Place the sample in the cup and put it on the support in the furnace
2. Start the instrument program to heat up
3. The instrument automatically records the temperature at which the first drop of sample drops from the mouth of the cup, that is, the drop point

Materials

• Sample Type:
Plaster

Notes

The experiment should be repeated three times, and the average value should be taken to ensure the accuracy of the results.

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