Silicone sealant is different from polyurethane sealant. The raw materials used in making it are different, and the advantages it shows are different. When comparing silicone vs polyurethane sealant, it is not possible to simply judge which material of adhesive is better. Different fields of application show greater value in their respective fields.
What is the difference between silicone sealant and polyurethane sealant?
During the curing process, silicone sealant hardly bubbles. It is firmly bonded to the bonding material, resistant to moisture, heat and aging. After curing, it effectively resists the effects of tearing and oil pollution and will not be easily contaminated. During the construction process, it is recommended that the glue layer should not be too thick, otherwise it will prolong the curing time. In order to avoid these situations, it is recommended to choose high-quality products. It is more reassuring to cooperate with a strong supplier, such as Cosmore, which focuses on silicone sealant research and provides customized silicone sealant application solutions. It has a wide range of uses and can be applied to new energy, military, medical, aviation, shipbuilding, electronics, automobiles, instruments, power supplies, high-speed rail and other industries.
During the curing process, the strength of polyurethane sealant is good, with good adhesion and tear resistance. Curing is completed at room temperature, which can resist low temperatures and will not freeze and crack in cold environments. However, bubbles may appear during the curing process, causing cracks in the adhesive layer. Try to choose high-quality adhesives to ensure a more ideal curing effect.
Which adhesive is better to use?
Each adhesive is not perfect and has small shortcomings. For example, the puncture resistance of silicone sealant is not particularly good, and the price is relatively expensive. The curing speed of polyurethane sealant is a bit slow, and the aging resistance is not very good. The advantages and disadvantages of these two adhesives are different, and the use environment is different.
In the purchase process, not only the advantages of the adhesive should be considered, but also the disadvantages. Combine the advantages and disadvantages together to see how cost-effective it is and in which fields it can be used. If you only consider the advantages and ignore the disadvantages, you may encounter troubles in use. Make all kinds of preparations to avoid encountering difficult problems.
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