OEM Rock free swelling rate expansion tester Manufacturers, Suppliers

The rock free swelling tester is suitable for determining the swelling properties of rocks containing easily hygroscopic minerals in their natural state, such as clay rocks. 

This test is the ratio of the radial and axial deformation of the specimen after immersion in water to the diameter and height of the specimen, expressed as a percentage.

Product Description

Main Technical Parameters
Micrometer Range
0-3mm (Accuracy: 0.001mm)
Sink Dimensions
160 x 160 x 130mm
Sample Specifications
Cylindrical: Ø50-60mm (Height ≈ Diameter)
Cube: Side length 50-60mm
Requirement: Both ends parallel and ground flat
Overall Dimensions
500 x 500 x 150mm
Device Weight
50Kg
Frequently Asked Questions
What is the measurement precision of the micrometer?
The micrometer features a range of 0-3mm with a high precision accuracy of 0.001mm.
What are the allowable sample shapes and sizes?
The device accepts cylindrical bodies with a diameter of 50-60mm (height approximately equal to diameter) or cube samples with a side length of 50-60mm.
Are there specific requirements for sample preparation?
Yes, for accurate results, both ends of the sample should be parallel and ground flat.
What are the dimensions of the sink?
The sink dimensions are 160mm x 160mm x 130mm.
How much space is required for the equipment?
The overall physical dimensions of the unit are 500mm x 500mm x 150mm, weighing approximately 50kg.
Is the equipment portable?
With a weight of 50Kg and compact dimensions of 500x500x150mm, it is a robust benchtop unit suitable for laboratory environments.

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