Test performance and test method of inorganic insulation mortar

Inorganic insulation mortar is a new type of environmental protection building material, made of cement, silicate, wollastonite, perlite and other inorganic materials. It has good thermal insulation performance, excellent durability and fire resistance, non-toxic and tasteless, no expansion, no cracking and other advantages. Inorganic thermal insulation mortar is widely used in the insulation and heat insulation of various building walls, especially for the insulation and heat insulation needs of high-rise buildings and special occasions.

Performance of detection
Inorganic thermal insulation mortar is an important material used for building thermal insulation. The following is a detailed description of the performance parameters to be tested for inorganic insulation mortar, as shown in the following table:

Parameters of performanceMethod of testStandard of inspection
Density of densityDensitometer measurement
Thickness of thicknessCaliper measurementGB/T 19686-2005

Coefficient of thermal conductivity

Heat conduction meter testGB/T 10295-2008
Strength of compressionExperiment of compression
Strength of tensionTensile testGB/T 50081-2002
Elongation at breakTensile testGB/T 50081-2002
Frost resistance propertyFreeze-thaw cycle experimentGB/T 35164-2017
Strength of bondShearing test, stripping testGB/T 2790-2015

Test performance and test method of inorganic insulation mortar

Method of detection
Density: To detect the density of inorganic insulation mortar, it can be measured by densitometer. This parameter can be used to calculate its thermal conductivity and thermal insulation effect.

Thickness: The thickness of the inorganic insulation mortar is measured by calipers and other tools to ensure that the thickness meets the requirements.

Thermal conductivity: The thermal conductivity of the inorganic insulation mortar was tested using a thermal conductivity meter to evaluate its thermal insulation performance.

Compressive strength: The compressive strength of the inorganic insulation mortar was tested using compression experiments to evaluate its anti-extrusion properties.

Test performance and test method of inorganic insulation mortar

Tensile strength and elongation at break: Tensile experiments were used to test the tensile strength and elongation at break of inorganic insulation mortars to evaluate their tensile properties and ductility.

Frost resistance: Freeze-thaw cycle experiment was used to test the frost resistance of inorganic insulation mortar to evaluate its use effect in cold climate.

Bond strength: Use shear test or peel test to test the bond strength of inorganic insulation mortar and wall to evaluate its bond ability and use effect.

We you: the above test methods are only some common methods, different performance parameters may require different test methods and equipment. At the same time, for some performance parameters, it is also necessary to follow the relevant standards and specifications, such as GB/T (national standard), to ensure the accuracy and reliability of the test.

Test performance and test method of inorganic insulation mortar

Notes
There are also some issues to be aware of when testing:

Sample preparation: Sample preparation should be carried out in accordance with relevant standards or methods to ensure that the sample preparation process and conditions meet the requirements.

Experimental conditions: When performing various performance tests, experimental conditions, such as temperature, humidity, and pressure, need to be controlled to ensure the repeatability and accuracy of the experiments.

Test accuracy: For some performance parameters, such as thermal conductivity, the test accuracy will be affected by many factors, such as sample preparation, experimental conditions, test equipment, etc. It is necessary to pay attention to the control of these factors to improve the test accuracy.

Test performance and test method of inorganic insulation mortar

Data analysis: After the completion of each test, statistics and analysis of the test data are needed to determine the performance characteristics of the inorganic insulation mortar and evaluate its quality grade.

To sum up, the performance testing of inorganic insulation mortar requires the use of different test methods and standards, and for some complex tests, professional laboratories or technicians are needed. Attention should be paid to the above problems during the test to ensure the accuracy and reliability of the test results. At the same time, when using inorganic insulation mortar, attention should also be paid to the operation according to the instructions to ensure better insulation effect and safety performance.

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