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                        不同催化劑含量下2種丁基防水嵌縫膠的表干時間

                        • 發布時間 : 2023-4-5 10:46:18
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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.

                        不同催化劑含量下2種丁基防水嵌縫膠的表干時間

                        (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 : 2023-4-5 10:46:18
                        • Views:
                        Information

                               設定當下室外溫度為(23士])℃,分析聚氨酷改性丁基防水嵌縫膠表干時間,結果如圖1所示。由圖1可以看出,在此溫度下,催化劑質量分數為0. OS%時,聚氨醋改性丁基防水嵌縫膠的表干時間為2. 1 h;不斷加大催化劑的質量分數,其表十時間隨之減少。當催化劑質量分數增至0. 25%時,其表干時間降至0. 4 h;之后繼續增加催化劑質量分數,表干時間慢慢趨于穩定,不再變化對雙組份丁基防水嵌縫膠的表干時間進行分析,結果如圖2所示從圖2叮以看出,隨著催化劑質量分數的不斷增多,雙組分MS丁基防水嵌縫膠表干時間呈逐步下降趨勢,同時溫度對雙組分MS丁基防水嵌縫膠的表干時間同樣具有關聯關系。當室外溫度為(23士1}0c,催化劑質量分數為0. 6%時,表干時間約為6. 5 h ;催化劑質量分數增至0.75%時,表干時間降至2. 5 h左右;繼續增大催化劑質量分數,表干時間縮短幅度越來越小,且慢慢趨于平穩;當催化劑質量分數達到1%時,表干時間為2h左右。當溫度升高至(38士1)℃時,其表干時間明顯縮短,催化劑質量分數分別為0.6%,0. 75% ,1%時,表干時間分別為4,1和0. 75 h。上述結果表明,聚氨醋改性丁基防水嵌縫膠催化劑質量分數為0. 25%較適宜;雙組分MS丁基防水嵌縫膠催化劑質量分數為0.75%時較適宜。www.www.lustload.com

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