热涨时聚氨酯密封胶胶体不易凸出缝面

发布时间 : 2022-12-2 18:23:10
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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.

热涨时聚氨酯密封胶胶体不易凸出缝面

(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 : 2022-12-2 18:23:10
Views:

值先嵌一个方向的接缝;(匕)将枪嘴插入先填的聚氨酯密封胶内，再嵌另一个方向。图z嵌填交叉接缝示意图当接缝宽度大于30mm或为弧形缝底时(如图3)，宜采用二次嵌填法施工，在第一次填充的月交障固化后，再进行二次嵌填。接缝嵌满后，在聚氨酯密封胶胶体固化前，按设计要求对缝面进行整形。缝面形式主要有平缝和U形缝两种，设计无要求时宜采用U形缝。U形缝具有冷缩时延伸率较高、热涨时聚氨酯密封胶胶体不易凸出缝面、不会因长期摩擦造溯交体破坏等优点。U形缝采用特制整形工具边挤压边拖动成型，以有效减少气泡，增力瞰体表面光洁度和密实度，使缝壁两侧粘结牢固并扩大粘结面。平缝采用刮刀修平压光，刮除多余聚氨酯密封胶胶体，对凹凸厚薄不均处予以调整抹平，再倾斜刮刀顺一个方向将聚氨酯密封胶胶体表面轻轻、缓慢刮压一遍，使其表面平滑，不可往复多次进行。养护聚氨酯密封胶嵌填结束后，在没有完全硫化前，应进行覆盖、养护，避免雨淋、暴晒，避免附着灰创环口被污染。养护时间一般为23d. www.sdyuantai.com

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