Key properties of coil coating and its detection method
A coil coating is a coating applied to the surface of a coil or film material, usually consisting of polymers, pigments, and additives. They can be applied in many different fields, such as building roofing, insulating materials, automotive, and aviation, among others. Coil coatings have good water resistance, weather resistance and UV resistance, which can improve the service life and performance of materials.
Performance of detection
| Name of performance | Equipment to be used |
|---|---|
| Thickness of thickness | Thickness gauge |
| Degree of viscosity | Viscosity gauge |
| Strength of tension | Tensile testing machine |
| Elongation at break | Tensile testing machine |
| Water resistance | Water circulation plant |
| Resistance to weather | Ultraviolet aging test chamber |
| Uv resistance | Ultraviolet aging test chamber |
| Strength of bond | Shear strength tester |
| Coefficient of expansion | Thermal expansion coefficient tester |
Key properties of coil coating and its detection method
Step of detection
Thickness: Use a thickness gauge to measure the thickness of the coil coating, record the measured value and calculate the average value.
Viscosity: Use a viscometer to measure the viscosity of the coil coating, record the measured value and calculate the average value.
Tensile strength and elongation at break: tensile tests were carried out using a tensile testing machine, test data were recorded and tensile strength and elongation at break were calculated.
Water resistance: Place the coil coating in water using a water circulation device, record the time and observe the change of the coating.
Key properties of coil coating and its detection method
Weather resistance and UV resistance: use UV aging test chamber to simulate solar radiation and atmospheric environment, observe the changes of coil coating.
Bond strength: Shear tests were performed using a shear strength tester, test data were recorded and bond strength was calculated.
Expansion coefficient: The expansion coefficient of the coil coating was measured using a thermal expansion coefficient tester, and the measured value was recorded and the average value was calculated.