现象一：涂敷在铝隔条上的丁基胶条有毛边，不整齐。

Phenomenon 1: The butyl rubber strip applied on the aluminum partition strip has rough edges and is not neat.

原因：两胶嘴出口处可能有杂质或胶嘴口不光滑。

Reason: There may be impurities at the outlet of the two glue nozzles or the glue nozzle mouth may not be smooth.

办法或建议：检查两胶嘴出口处是否有杂质或胶嘴是否光滑。

Solution or suggestion: Check if there are any impurities at the outlet of the two rubber nozzles or if the rubber nozzles are smooth.

现象二：合片后的丁基胶条与第二道密封胶出现一条间隙（白线）。

Phenomenon 2: There is a gap (white line) between the butyl adhesive strip and the second layer of sealant after lamination.

原因：第二道密封胶没有用正确的涂敷方式。

Reason: The second sealant was not applied correctly.

办法：涂敷第二道密封胶时，应适当用力并按一个方向涂敷，以防空气裹入胶中，降低中空玻璃的密封性能。

Solution: When applying the second layer of sealant, appropriate force should be applied in one direction to prevent air from getting trapped in the adhesive and reducing the sealing performance of the insulating glass.

现象三：加热后挤出不顺利，容易断胶（断线）。

Phenomenon three: The extrusion is not smooth after heating, and it is easy to break the adhesive (wire).

原因：丁基密封胶使用的关键在于挤出，温度的控制在挤出加工过程中关重要，温度控制是否适宜，直接影响丁基密封胶在整个加工过程中的流变状态，影响着产品的内在质量的美观，应该对温度特别注意。温度过高会引起密封胶熔融过大，无强度甚根本无法成型（流淌现象）；温度过低，胶的流动差，机器挤不出胶，影响施工进度，这是挤出不顺利的主要原因。另一种原因可能是丁基密封胶在制造中夹杂有气泡，在挤出过程中造成断胶。

Reason: The key to using butyl sealant lies in extrusion, and temperature control is crucial during the extrusion process. The suitability of temperature control directly affects the rheological state of butyl sealant throughout the entire processing, affecting the internal quality and aesthetics of the product. Therefore, special attention should be paid to temperature. Excessive temperature can cause the sealant to melt too much, lack strength, or even fail to form (flowing phenomenon); The low temperature, poor flow of the glue, and the inability of the machine to extrude the glue affect the construction progress, which is the main reason for the unsmooth extrusion. Another possible reason may be that butyl sealant contains bubbles during manufacturing, causing adhesive breakage during the extrusion process.

办法：温度的选定一般以厂家提供的挤出温度为宜，挤出机温度，一般设定机筒在110-140℃之间，机头在112-142℃之间。为了使主机产生一定的压力，使熔融均匀挤出，故要求机头温度高于机筒温度，温度有一定的滞后性，调整中应注意，加温和降温应逐渐进行，涂敷胶开始前，应适当排气，以减少内部气泡和空隙，防止挤出时产生气泡造成断胶。

Solution: The selection of temperature is generally based on the extrusion temperature provided by the manufacturer. The extruder temperature is generally set between 110-140 ℃ for the barrel and 112-142 ℃ for the head. In order to generate a certain amount of pressure on the host and ensure uniform extrusion, it is required that the temperature of the machine head is higher than the temperature of the machine barrel, with a certain degree of temperature hysteresis. During adjustment, attention should be paid to gradually heating and cooling. Before applying adhesive, appropriate exhaust should be carried out to reduce internal bubbles and gaps, and prevent bubbles from causing adhesive breakage during extrusion.