Key properties and testing methods of exterior wall insulation coatings
Exterior wall insulation coating is a kind of coating that combines thermal insulation, decoration and waterproof functions, which is widely used in building exterior wall insulation system. It can effectively improve the thermal insulation performance and energy saving effect of buildings, but also has excellent decorative effect and waterproof performance. Exterior wall insulation coatings are suitable for various types of buildings, including residential, commercial, and industrial buildings.
Key properties and testing methods of exterior wall insulation coatings
The following are the common key properties of exterior wall insulation coatings and the corresponding testing instruments:
| Name of performance | Instrument for testing |
|---|---|
| Thickness of thickness | Coating thickness meter |
| Strength of bond | Tensile testing machine |
| Resistance to weather | Xenon lamp aging tester |
| Crack resistance | Needle prick tester |
| Difference of color | Color comparator |
| Density of density | Density meter |
| Resistance to alkali | Acidity meter |
Key properties and testing methods of exterior wall insulation coatings
The following are the corresponding detection steps for each performance:
Thickness: The thickness of the coating was measured using a coating thickness meter.
Bond strength: The bond strength between the coating and the base was tested using a tensile testing machine.
Weather resistance: the sample is placed in the xenon lamp aging tester for accelerated aging, and then the performance changes are detected by visual observation, appearance evaluation and other methods.
Crack resistance: The tensile resistance of the coating was tested using a needle prick tester.
Color difference: Use a color comparator to detect the color of the coating.
Density: Use a densitometer to test the density of the paint.
Alkali resistance: Use a acidity meter to test the ph of the coating and judge its alkali resistance.