火灾升温的不同时间对MS密封胶的理化性能影响

发布时间 : 2023-5-30 9:46:51
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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.

火灾升温的不同时间对MS密封胶的理化性能影响

(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.

发布时间 : 2023-5-30 9:46:51
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30 minx 3种火灾升温的不同时间都对MS密封胶的耐水性和耐酸性造成了破坏，但腐蚀性并没有发生变化，且理化性能测试中的各时间没有出现样品溶胀现象。

在同一时间下，比较3种类型的火灾升温对MS密封胶理化性能的影响，30 min后MS密封胶的耐碱性、耐油性在3种升温模式下都没有受到影响，但此时的耐冻融循环性在3种升温模式下都发生了变化。在耐湿热性测试中， 30 min的火灾升温后，只有碳氢火灾升温模式下的样品出现开裂、粉化，反映了碳氢火灾比标准和电力火灾对MS密封胶的耐湿热性影响大。

60 min。升温时I}}增加到60 min时，MS密封胶的耐冻融循环性和30 min下的表现一致，说明火灾升温时间增加和耐冻融循环性被影响破坏的程度没有直接关系。但耐碱性、耐油性和耐湿热性都和30 min下的表现不同，即60 min时只有碳氢火灾升温模式下的MS密封胶的耐碱性和耐油性被破坏。而30 min时，这2种理化性能暂时都没有被影响。此外，对于耐湿热性而言，电力和碳氢火灾比标准火灾更加具有破坏力。www.sdyuantai.com

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