Inorganic thermal insulation mortar is a new type of environmentally friendly building material, which is made of inorganic materials such as cement, silicate, wollastonite, and perlite. It has the advantages of good thermal insulation performance, excellent durability and fire resistance, non-toxic and tasteless, no expansion, no cracking, etc. Inorganic thermal insulation mortar is widely used in thermal insulation and heat insulation of various building walls, especially for high-rise buildings and special occasions.
Detection performance
Inorganic thermal insulation mortar is an important material for building thermal insulation. The following key performance indicators need to be tested to ensure its quality and use effect. The following is a detailed description of the performance parameters that need to be tested for inorganic thermal insulation mortar, as shown in the following table:
| performance parameter | Test Methods | Testing Standard |
|---|---|---|
| density | Density meter measurement | |
| thickness | Caliper measurement | GB/T19686-2005 |
| Thermal Conductivity | Thermal conductivity meter test | GB/T10295-2008 |
| Compressive strength | Compression experiment | |
| tensile strength | Tensile test | GB/T 50081-2002 |
| elongation at break | Tensile test | GB/T 50081-2002 |
| Antifreeze performance | Freeze-thaw cycle experiment | GB/T 35164-2017 |
| Bond strength | Shearing test, peeling test | GB/T 2790-2015 |
Detection method
Density: Detect the density of inorganic thermal insulation mortar, which can be measured by a density meter. This parameter can be used to calculate its thermal conductivity and thermal insulation effect, etc.
Thickness: Measure the thickness of the inorganic thermal insulation mortar with tools such as calipers to ensure that its thickness meets the requirements.
Thermal conductivity: Use a thermal conductivity meter to test the thermal conductivity of inorganic thermal insulation mortar to evaluate its thermal insulation performance.
Compressive strength: The compressive strength of the inorganic thermal insulation mortar was tested using a compression test to evaluate its anti-extrusion performance.
Tensile strength and elongation at break: The tensile strength and elongation at break of the inorganic thermal insulation mortar were tested using a tensile test to evaluate its tensile properties and ductility.
Frost resistance performance: Use the freeze-thaw cycle experiment to test the frost resistance performance of inorganic thermal insulation mortar to evaluate its use effect in cold climates.
Bonding strength: use the shear test or peeling test to test the bonding strength of the inorganic thermal insulation mortar and the wall to evaluate its bonding ability and use effect.
Beichao reminds you: the above test methods are just some common methods, and different performance parameters may require different test methods and equipment. At the same time, for some performance parameters, it is also necessary to follow relevant standards and specifications, such as GB/T (national standards), etc., to ensure the accuracy and reliability of the test.
Precautions
When testing, you also need to pay attention to the following issues:
Sample preparation: Sample preparation needs to 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, it is necessary to control the experimental conditions, such as temperature, humidity, pressure, etc., to ensure the repeatability and accuracy of the experiment.
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., and attention should be paid to controlling these factors to improve test accuracy.
Data analysis: After completing various tests, it is necessary to conduct statistics and analysis on the test data to determine the performance characteristics of the inorganic thermal insulation mortar and evaluate its quality level.
To sum up, the performance testing of inorganic thermal insulation mortar requires different testing methods and standards, and for some complex tests, professional laboratories or technicians are required. It is necessary to pay attention to the above problems when conducting the test to ensure the accuracy and reliability of the test results. At the same time, when using inorganic thermal insulation mortar, attention should also be paid to operating in accordance with the instructions to ensure its better thermal insulation effect and safety performance.
