What problems are prone to occur when using customized Butyl sealing tape? Let's learn about it together!
1. It is easy to break the glue after heating.
Reason: Whether the temperature control is appropriate or not directly affects the rheological state of the customized Butyl sealing tape in the entire processing process. If the temperature is too high, the sealant will melt too much, lose strength or even fail to form (flow phenomenon); if the temperature is too low, the fluidity of the sealant will be poor, and the machine will not extrude the sealant, which will affect the construction progress. This is not extrusion. The main reason for success. Another reason may be air bubbles during the manufacturing process of the customized Butyl sealing tape, causing the glue to break.
Solution: The temperature should be within the extrusion temperature range provided by the manufacturer. In general, the temperature of the extruder is set between 110-130°C in the barrel and 112-132°C in the head. In order to make the host produce a certain pressure and melt uniformly, the temperature of the machine head is required to be higher than the temperature of the cylinder. When adjusting the temperature, it should be noted that heating and cooling should be carried out gradually. Appropriate venting should be carried out before painting to reduce internal bubbles and voids, and prevent bubbles from causing glue breakage during the extrusion process.

2. The adhesion between customized Butyl sealing tape and aluminum spacer is not good.
Reasons: the aluminum belt or conveyor belt is dirty, oily, and dusty; the belt speed is too fast to apply glue; the aluminum frame is skewed, the glue nozzle is difficult to pass or the glue position is incorrect; the initial adhesion of the sealant itself is poor.
Solution: Clean and calibrate the aluminum spacer and the conveyor belt, adjust the speed of the conveyor belt; adjust the gap between the two glue nozzles proportionally; when coating, the aluminum frame should be placed vertically to prevent the glue nozzles from passing through or applying glue The aluminum spacers are not glued due to the incorrect position; the customized Butyl sealing tape is extruded and adsorbed on the clean aluminum strips through proper temperature and pressure, and the melted butyl glue can gradually wet the surface of the adherend and penetrate deeply into the surface. In the hole. Therefore, proper construction pressure and temperature are conducive to this process.