硅烷改性聚氨酯密封胶的配制按选定比例

发布时间 : 2023-6-2 9:42:55
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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.

硅烷改性聚氨酯密封胶的配制按选定比例

(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 : 2023-6-2 9:42:55
Views:

硅烷改性聚氨酯密封胶的配制按选定比例称取光敏胶和单组分胶混匀，然后滴加添加剂，调整混合胶枯度为70000rnPa}s左右，于暗处静置48h,消除气泡备用。灌封试验堵封工艺取20只机械检验合格的jQC-3F产品，依次编号。灌封前测其吸动、释放电压，静合、动合电阻，同时对这20只产品测试绝缘和耐压，按照JQC-3F产品标准规定，测试时间为lrnin.实际测试20只产品全部合格。绝缘电阻:200M33C500Vd.c.);介质耐压:触点间)1000Ya,c.CSOHz交流有效值)，线圈与触点间)2000Va,c.<50H。交流有效值)。堵封时，将配好的光热两固胶装入点胶机。调整气压为40kPa,然后逐个对该继电器容易漏胶的地方均匀涂上硅烷改性聚氨酯密封胶.将24只产品全部堵封后放入紫外光固化机，30a后取出。胶巳完全固化。按照JQC-3F产品灌胶典型工艺，用国产单组分胶对这24只产品分别沿翠壳与底板的配合线灌封，灌好后放入144烘箱固化1.5h。完全固化后，从硅烷改性聚氨酯密封胶面情况看，无一只产品漏胶，说明第一道堵封工序已经成功。www.sdyuantai.com

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