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Zhengzhou Tiantuo Lubricant Co., Ltd. Contact: Manager Li Phone: 13525527630
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Address: Room 2202, East Unit, Building 3, Merlin Riverside, Hanghai Road and Zhongzhou Avenue, Zhengzhou City
HFAS15-4 Emulsion for Great Wall Hydraulic Support Performance Characteristics of Great Wall Hydraulic Support (2)
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HFAS15-4 Emulsion for Great Wall Hydraulic Support Performance Characteristics of Great Wall Hydraulic Support (2)

Article source: Unknown Release time: 2018-09-08 11:02 Views: 68
2. Stability test
♦ Thermal stability and room temperature stability
Dilute the product with artificial hard water of a certain water hardness and let it stand at high temperature and room temperature to check whether any unstable state occurs. The state of the bracket liquid is stable, which can effectively prevent the valve core from being blocked, prevent the equipment from corrosion due to uneven distribution of the diluent, and maintain the cleanliness of the liquid tank, which is conducive to long-term normal operation.
♦ shock stability test
Dilute the product with artificial hard water of a certain water hardness, and shake it for a minute at a certain frequency and then let it stand. After the foam has disappeared, check the oil and soap precipitation. It is a kind of stent fluid product stability test.
♦ Product freeze-thaw resistance test
In cold areas, it is required that the stent liquid be frozen during transportation and then returned to the normal state after the temperature in the mine is warmed up to facilitate normal operations. It is an index for evaluating low temperature stability.
3.Anti-rust test
♦ Anti-rust test
Corrosion performance and rust prevention performance are two key indicators of stent fluid. It is used to judge the compatibility of stent liquid products with various metal materials (cast iron, steel, copper). Its quality directly affects the normal operation and service life of many precision instruments and equipment. In view of the fact that the water used to prepare the hydraulic support liquid at the site is often salty mine water, it is required that the support liquid products have good anti-corrosion and anti-rust properties to reduce corrosion and extend the service life of the equipment.
The water used in the rust prevention test is standard artificial hard water or mineral water with a certain water hardness.
The water used in the anticorrosion test is standard saline.
4. Material compatibility test ♦ Rubber compatibility
Under the mine, due to the large bearing pressure of the supporting equipment, there must be some leakage. The stent liquid product should have good compatibility with rubber as a sealing material. The diluent should not cause the specified test rubber to shrink, and the rubber expansion rate should not be greater than 6%. .
5.Lubricity test
The stent liquid product and a certain hardness of artificial hard water are formulated into a diluent to test the lubricity of the product. The stent liquid product has a certain lubrication effect, which can reduce the wear of supporting equipment.
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