混煉膠硫化丁基防水嵌縫膠性能測試
2023-03-08
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丁基防水嵌縫膠的阻燃級別均能維持在V-0
- 發布時間 : 2023-3-6 18:55:44
- Views:
(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.
丁基防水嵌縫膠的阻燃級別均能維持在V-0
(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 : 2023-3-6 18:55:44
- Views:
Information
2FS-3的性能測試結果表明，當Si-A1(OH:的添加量為120份時，丁基防水嵌縫膠的阻燃級別不能達到V-0，為V-1級。說明改性前后Al(OH)3的阻燃作用沒有發生明顯變化，仍需較大填充量才能達到V-0阻燃。同時，由于Al(OH):添加量的下降，FS-3的伸長率有明顯提升，可以看出A1(OH)3的添加量對丁基防水嵌縫膠的力學性能影響較大。
3FS-4采用了Si-Al(OH3與MA復配阻燃劑，阻燃劑的添加總量與FS-3相同，為120份，其阻燃級別能夠達到V-0�？梢园l現Si-Al(OH)3與MA以一定比例復配，阻燃效果優于單獨使用Si-Al(OH)30同時，Si-Al(OH):與MA復配使用，FS-4的伸長率相對FS-3又有了一定程度的提高，最大強度則略有下降。
FS-3,FS-4,FS-S,FS-6和FS-7的阻燃劑總添加量均為120份，僅Si-Al(OH):與MA比例不同，分別為120:0,80:40,40:80,20:100,0:120。從阻燃性能來看，協同阻燃劑的阻燃效果明顯好于單一阻燃劑，且Si-A1(OH):與MA均需維持一定用量。當Si-Al(OH)3與MA的比值范圍在2一0.5時，丁基防水嵌縫膠的阻燃級別均能維持在V-0;當Si-Al(OH)3與MA的比值超出上述比例范圍時，丁基防水嵌縫膠的阻燃性能受到影響。
FS-7的性能測試結果表明，當MA的添加量為120時，丁基防水嵌縫膠的阻燃級別同樣不能滿足V-0，為V-1級，單獨使用MA阻燃劑的丁基防水嵌縫膠阻燃性能差于采用Si-Al(OH)3與MA復配阻燃劑的丁基防水嵌縫膠。這與FS-3的性能測試結果一致。此外，單獨使用MA時，丁基防水嵌縫膠的力學性能較差，強度過低，達不到密封膠絕大多數應用場景的使用要求。www.pegeankoch.com
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上一篇: 聚氨酯密封膠的伸長率得到提升
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