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              丁基防水嵌縫膠的優缺點

              • 發布時間 : 2024-10-18 12:51:05
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              (Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

              丁基防水嵌縫膠的優缺點

              (Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

              • 發布時間 : 2024-10-18 12:51:05
              • Views:
              Information

                     用丁基防水嵌縫膠作中空玻璃密封膠是中空玻璃生產上的一大突破,它同傳統的鋁條法中空玻璃相比,有以下優點:

                     (1)由于丁基防水嵌縫膠本身就有很強的粘結性能,所以使用丁基防水嵌縫膠作中空玻璃封條不需要再涂底膠,直接升溫便可與玻璃很好地粘接在一起。

                     (2)它有很好的耐熱性和耐候性,在很寬的溫度范圍內可以長期使用。

                     (3)由于丁基防水嵌縫膠比較柔軟,四角不需彎角栓連接,自然成型,從而避免了角部漏氣的問題,所以有很好的密封性能。

                     (4)由于它的柔軟,也使得這種密封膠具有良好的減振作用和隔音效果。

                     但是由于丁基防水嵌縫膠在結構與性能上的缺點,使它作為中空玻璃密封膠時還存在一些不足:

                     (1)強度不夠。由于其太柔軟,所以根本不能承受外界壓力,改善的方法就是在膠條中間夾一條鋁帶以增加其強度。

                     (2)丁基防水嵌縫膠的氣體滲透系數較大(約為10-15"d  "cm),這樣氣體容易通過密封膠層向中空玻璃中空層滲透擴散,時間一長,就會出現起霧現象,從而影響中空玻璃的使用壽命。改善的方法就是在中空玻璃的裝配過程中使用雙道密封操作,第一道先用丁基防水嵌縫膠,外面再用一道丁基防水嵌縫膠,或者采用復合膠條密封技術。http://www.caffertyclinic.com/

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