How to distinguish the quality of pvc foam board
How to distinguish the quality of pvc foam boardIn the board market, foam boards are often seen. Foam boards have been gradually applied in the advertising industry and building materials industry, but how do you choose the quality of PVC foam boards? I will give you a detailed introduction below:
1: First look at the surface finish and whiteness hardness.
2: Observe whether there are holes on the side of the plate.
3: Carefully touch the surface of the plate to see if it is smooth and has detailed lines.
4: Throw samples, and those who are easy to break are generally high-calcium products. Of course, it is okay if the price is in line with your requirements.
5: Take the sample and step on the edge of the plate with your feet to see if it can crack or the elongation at break after cracking.
6: Fire resistance is very troublesome. The most direct way is to get a place with high temperature and high light for a few days to see the rate of surface change, but it is too time-consuming.
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