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LHDY-3D Aggregate Strength Testing Instrument

The aggregate soundness testing apparatus (instrument) conforms to the JTG 3432-2024 standard. It is used to determine the performance of crushed stone or gravel that undergoes multiple cycles of soaking in saturated sodium sulfate solution and drying, and withstands the crystallization pressure of sodium sulfate without significant damage or reduction in strength. This is a method for determining the soundness (also known as stability) of aggregates.

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LHDY-3D Aggregate Strength Testing Instrument

I. Product Introduction:

Aggregate Strength Testing Device ( Instrument ) Complies with JTG 3432-2024 Standard used for The performance of crushed stone or gravel that does not undergo significant damage or strength reduction after multiple cycles of soaking and drying in a saturated sodium sulfate solution, and withstands the crystallization pressure of sodium sulfate. This is a method for determining the strength performance of stone materials ( Also known as stability ) Method.

II. Technical Parameters:

1 Container: 55L stainless steel container.

2 Coarse aggregate tripod basket: The outer diameter of the basket is l00mm ，height 150mm ，aperture 2 ． 36mm （ 3 individual

The outer diameter of the basket is 2 50mm Height 2 50mm Aperture 2 ． 36mm (1 individual )

3 Fine aggregate tripod basket: The outer diameter of the basket is 70mm Height 70mm Aperture 0.15 /0.315/0.6/1.18 Stainless steel (each 1 individual

4 Supply voltage: 220V

5 Heating power: 1500W

6 Cooling power: 1000W

6 Temperature range to be maintained: 21 ± 1 ℃

7 Number of lifts: 25 times

8 This instrument can automatically control and record the heating, constant temperature, number of cycles, and insulation time for the above tests.

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LHDY-3D Aggregate Strength Testing Instrument

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