Sealant products are widely employed in buildings, electronic instruments, parts industries and so on. In recent years, the demand of sealant is continually growing. This industry has been stepping in a fast lane of development. Not only is the usage amount skyrocketing, but also the variety becomes more and more completed. As the level of technology is being improved, and the demand is being widen, more and more enterprises begin to join in the sealant industry. Its scale of production becomes wider in the competitive market. Among a variety of the products,high viscostity polyurethane sealant has a preferable physical property and endurance.
There are many occasions where polyurethane sealant is applicable. For example, it is suitable for the sealing of all joints in the air-conditioner and ventilation system. The conduit joint and leaks in the gas supply systems and drainage systems also need the help of this sealant. What's more, it is very important to adopt the sealant in the construction of metro, underground tunnel, highways, bridges, airport, and big buildings. It can be used for sealing up the cracks in the roof, caulking the aperture on the floor, and helping to pave the floor tile. The seal of the crevice between the house doors or windows and the concrete or brick walls won't be good if there is no this kind of sealant. In the automobile industry, it plays a crucial role as well.
In addition, high performance acrylic adhesive is also an important sealant. It has excellent water resistance and cohesiveness. A series of useful adhesive can be produced by changing the copolymer composition. Some of them are utilized to bond the plastics products. Some are helpful for non-woven fabrics, textile, flocking, laminated film, paper varnishing, building sealing, coating and so on. Moreover, some can be good for adhering the metals, ceramics, glass, and rubber products and their daily maintenance.
Apart from these two sealants above, there is another one called hybrid sealant. It is also a great adhesive for lots of materials. There are some main features for this sealant. It is colorless and has low odor, high transparency and excellent glossiness. It is a stunning elastomer which is yellowing-resistant. It is usually used for the electronic products, communication sci-tech, glass and furniture, metals and plastic products, ornaments, board, badge, buttons, key chains and IC cards. In a word, the demand of various sealants is being increased unceasingly.