Did you know polyurethane sealants are key to car windshield safety?

Polyurethane sealant is widely used in the automotive industry, mainly for automotive windshield sealing, caulking/weld sealing, structural sealing, interior bonding, floor bonding sealing, air-conditioned luggage compartment bonding sealing, and other bonding sealing.

Polyurethane windshield adhesive is a very important variety in the final assembly process of the automobile, which is used for the bonding and sealing of the windshield, side window glass, etc., replacing the traditional assembly process and improving the safety factor of the whole vehicle. Due to safety considerations, ordinary glass cannot be used, so there are generally only two kinds of common automotive glass, tempered glass and laminated glass. The windshield must have a good line of sight, sufficient strength, and when the vehicle has an accident, the windshield can protect the driver and passenger.

The bonding and sealing of the windshield is a very important process in the final assembly process of the automobile, and the rubber requirements are also very strict, requiring the sealant to have high strength, tear resistance, excellent sealing performance, and can improve the overall rigidity of the car body, and it also requires excellent weather resistance and durability during use.'Three points of material, seven points of construction', good construction is an important guarantee of quality. Before sizing, it is necessary to test the adhesion of sealant and substrate, determine the bonding effect of sealant and substrate, select the appropriate cleaning agent and primer.

The windshield has very strict requirements for sealant to ensure the overall rigidity of the car body. Its design requirements can be divided into the following five aspects:

(1) High strength, tear resistance

(2) Weather resistance and durability

(3) Excellent sealing performance

(4) The construction process is simple and the displacement time is short

(5) Meet the overall rigidity of the car body, and increase the rate of change when the glass is broken

Did you know that polyurethane sealants are key to car windshield safety?

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