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Instruments needed for testing the setting time of cement

Release time: August 23, 2020 popularity: three hundred and sixty

 Setting time of cement

Instruments needed for testing the setting time of cement

1、 Application of cement setting time tester

According to GB / t1346-2011, test method for water consumption, setting time and stability of cement paste standard consistency, this Vicat instrument is applicable to Portland cement, ordinary cement, slag cement, pozzolanic cement, pulverized coal ash cement and other types of cement.

 Setting time of cement

2、 Main technical specification of cement setting time tester

1. Total weight of sliding part: 300g ± 1g

2. Standard consistency test rod: 1. The effective length is 50 mm ± 1 mm and the diameter is 10 mm ± 0.05 mm.

3. Test needles for initial coagulation: 2. The effective length is 50 mm ± 1 mm and the diameter is 1.13 mm ± 0.05 mm.

4. Test needle for final coagulation: 1. The effective length was 30 mm ± 1 mm, and the diameter was 1.13 mm ± 0.05 mm.

 Setting time of cement

3、 Structure and performance

1. The Vicat instrument is mainly composed of cast iron base, bracket, sliding rod, plating core, round mold, test rod, test needle and so on. The elastic screw beside the sliding rod is used to adjust the height. The pointer is fixed on the sliding rod by the fixing sleeve and screw to measure the movement of the sliding rod.

2. The Vicat instrument has two-sided index engraving control ruler. Through the movement of the sliding rod, the indicator needle fixed on the sliding rod is used to read. The left side of the scale indicates the sinking depth mm, the scale range is 0-70 mm, the scale spacing is 1 mm, and the right side of the scale scale indicates the water consumption for standard consistency.

3. The standard consistency test rod is used to determine the consistency, and the test needle is used to determine the setting time. The test rod and test needle can be disassembled and used according to the test requirements.


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fifteen billion eight hundred and thirty-three million seven hundred and eighty-nine thousand and two