The difference between polyurethane sealant and polyurethane sealant
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Author:xiaxiaoyan2
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Published time: 2019-01-31
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Do you know the difference between polyurethane sealants?
Polyurethane sealant is a fast drying and moisture curing sealant used in many industries including construction, construction and automotive. It is commonly used to seal seams in walls and floors. It is suitable for concrete, it can also seal and bond glass fiberboard
1, use
When the polyurethane sealant dries, it produces a very tough elastic seal. It also seals and bonds masonry, wood and metal well. It is highly compatible with plastics and rubber. Polyurethane sealant is a transparent internal sealant used mainly on ceramic tiles and other floors. Polyurethane hardens faster than urethane and can be used to repair vehicles, especially those made of fiberglass. It seals and repairs the fiberglass very well, resulting in a very strong bond.
2, resistance
Polyurethane sealants have proven to be excellent resistors for water and UV radiation. It has permanent elasticity in all weather conditions. Polyurethane sealants are more suitable for porous materials such as concrete, slate and clay. It is highly protective in areas with heavy traffic and is resistant to grease, oil, gasoline and food splashes.
3, indoor and outdoor
Polyurethane sealants are recommended for use in upholstery and flooring because they work better on outdoor and weathered surfaces. It is not recommended for use with glass at all and is not recommended for joints with a movement of more than 25%. Polyurethane sealants are best recommended for indoor use, such as kitchens, restaurants or warehouses, which are more prone to industrial spills. It prevents heavy traffic and is ideal for these areas.
4, caulking
Polyurethane sealants have a sealant that seals the seams between the bathroom and the kitchen. There are many different types of caulking sealants, and choosing the right sealant depends on your individual work and conditions. Polyurethane sealants are also in the form of a caulk that behaves in much the same way as silicone sealants. The polyurethane caulk will fill the cracks and holes in the same way as the filler, but will adhere better on most surfaces for better adhesion.
5, drying
Polyurethanes have faster drying times, and the different effects between polyurethane sealants and polyurethane sealants can be very noticeable in this regard. Polyurethane sealants need to be dried for nearly three days, while polyurethane sealants typically dry within 24 hours. This can make a big difference in projects that are tight on deadlines; slow drying times can cause the project to stop and really slow down your progress.
6, compare
Polyurethane is a corrosion-resistant material that simulates any surface, such as plastic or metal. Non-commercial types of polyurethane sealants are typically one-component products that do not require mixing prior to use. The effect between polyurethane and polyurethane sealants is small, mainly because they are not different from each other. Polyurethane materials are based on polymer chemicals, while urethane substitutes are not.
