Sealant is an adhesive used to fill gaps, and this adhesive has a certain viscosity and can change properties according to the properties of the sealing surface, so it has strong plasticity. Especially after sealing and curing, it can achieve the characteristics of waterproof and leak-proof.
The sealant is viscous before it is cured, and it takes a certain period of time before it can be cured. After curing, a hard protective film will be formed to achieve a sealed, breathable and watertight protective film. The higher the hardness of the sealant, the stronger the rigidity of the sealant, while the elasticity and flexibility are slightly worse. The sealant with low hardness has high elasticity and good flexibility, but its rigidity is relatively poor. Therefore, it is not that the harder the sealant is, the better the quality is, but it needs to be determined according to the scope of user needs.
Since the high hardness of the sealant after curing does not mean good quality, how to choose the sealant?
1. Observe the price
Generally, sealants with good quality and high product performance have relatively high requirements in terms of production equipment and production technology, so this also causes the production cost to be higher than that of ordinary products or products of poor quality, and the price is also lower. Relatively higher.
2. Observe product packaging and instructions
The outer packaging or instruction manual of any sealant has the production date, manufacturer, certificate of conformity, quality assurance certificate and product inspection report, etc. If it is missing or incomplete, it is a product with no quality guarantee.
3. Branded products are more guaranteed in quality
If you want to choose a good quality sealant, if you are not sure, try to choose a big brand product, such as TENSAN, which focuses on the research of sealant and provides customized sealant application solutions. Because this sealant is guaranteed in quality, it can achieve the expected effect after construction.
4. Experimental detection
Users can also conduct spot checks on the sealant quality, mainly to observe the sealant's smell, waterproof and leak-proof characteristics after curing, and whether there is formaldehyde exceeding the standard. The sealant that meets these requirements is a good quality sealant.
