Dow Automotive DW U-428 is a urethane adhesive that incorporates a glass primer for speed installations in the automotive industry. This high quality adhesive is designed to direct glaze or structurally bond automotive glass such as backlites, windshields, quarter glass and other stationary glass. It is also capable of attaching hardware to glass and back filling to install reveal moldings or other trims.
DW U-428 is a high quality, conventional cure one component black paste adhesive. This product relies on humidity, temperature and time to fully cure. The humidity in the air causes a chemical reaction in the adhesive. This process cures the urethane adhesive from the outside to the center as the moisture diffuses in the material. The greater the temperature and relative humidity, the greater the decrease in curing time of this adhesive. With a relative humidity between 50 to 70 percent and a temperature greater than 32.2 degrees Celsius, the estimated cure time is approximately 5 hours.
Dow Automotive DW U-428 will have a maximum shelf life, as stated on the package when the adhesive is stored at an ambient temperature that does not surpass a temperature of 43.3 degrees Celsius. It should be stored in its tightly closed, properly ventilated container in a dry place away from direct sunlight. If a cleanup is required, Betaclean U-424 urethane adhesive cleaner is recommended. Do not use this cleaner on hard plastic, newly painted materials or bonding surfaces.
When using this high quality urethane adhesive it is extremely important to understand the proper application methods and the dangers that may be applicable. The application of Dow Automotive DW U-428 needs to be done in a well-ventilated area, to avoid breathing in the toxic vapors. Wear the appropriate safety equipment and avoid contact to the skin. This material needs to be kept away from sparks, heat or open flames. It is not recommended to use any other manufactures’, cleaners, primers or other chemicals in conjunction with this adhesive system.
Dow Automotive DW U-428 is a high quality urethane glass adhesive manufactured for high strength bonding applications. Dow Automotive is a global leader in providing innovative technologies in formulating their high quality products for OEM manufacturing. DW U-428 is an advanced adhesive that is used to form a strong bond to a variety of automotive glass substrates. For more information regarding Dow Automotive DW U-428, contact Krayden Inc., Dow Automotive’s certified automotive sealants, adhesives and specialty chemical distributors.