解读分析断桥铝尼龙隔热条

2015-09-14

断桥铝之所以称之为断桥铝门窗,则是因为有了尼龙隔热条的存在,那么对于尼龙隔热条您又知道多少呢,随着观念与材料工业的发展,建筑门窗从早期的单玻木门窗开始,到单玻实腹钢窗、空腹钢窗、铝合金门窗、塑钢门窗
断桥铝之所以称之为断桥铝门窗,则是因为有了尼龙隔热条的存在,那么对于尼龙隔热条您又知道多少呢,随着观念与材料工业的发展,建筑门窗从早期的单玻木门窗开始,到单玻实腹钢窗、空腹钢窗、铝合金门窗、塑钢门窗窗,最后演进至目前的断桥铝门窗等多种节能门窗并存的局面。
门窗与铝木门窗具有良好的隔热节能效果,但因木材成本高昂,主要应用于高端市场。而铝合金门窗具有重量轻、强度高、刚性好、耐腐无毒、防火性能优异、采光面积大、装饰效果好、使用寿命长等特点,因此广泛为社会所接受。但缺点是导热系数比较大,保温隔热性能差。随着国内外铝型材厂家采用“断桥隔热铝材”弥补了铝合金的固有缺点,新型断桥铝门窗逐渐被人们认可,每年均以10% 以上的速度增长。
“断桥隔热铝型材”中关键部件是用滚压方式安装的“隔热条”,从某种意义上可以说隔热条性能决定了新型断桥铝门窗的隔热节能效能。一般来说,建筑的能量传导约为墙体占1/3,空气对流约为1/3,门窗占1/3,而造价仅占门窗造价4%左右的隔热条,其隔热效能却要占门窗的20%-30%,所以,隔热条不仅是断桥铝合金门窗的关键部件,也是门窗节能的重要构成部分!
简单的说隔热断桥铝门窗就是在传统的铝合金基础上把原来的一体性型材一分为二,然后由两支隔热条通过机械复合的手段再将分开的两部分连接在一起。隔热条的这种使用性质决定了其必须同时具备很高的强度及优异的稳定性,否则极易造成门窗、幕墙断裂脱落,存在重大质量及安全隐患,所以隔热条的材质选择及稳定性显得至关重要。然而目前由于原料、生产成本大幅上涨,国内隔热条市场极为混乱,掺杂PVC条等劣质隔热条浑水摸鱼,瞒天过海,即使是尼龙PA66条,原材料也有很多种,还有新料和回收料的区别,质量和性能都相差很多,尤其经过一段时间的使用及老化后,稳定性将大幅下降,给产品带来很大的质量隐患和安全隐患。 
尼龙66隔热条稳定性问题
尼龙66隔热条的稳定性涉及两方面的问题:一是尼龙66隔热条的热稳定性,二是尼龙66隔热条的光稳定性。热稳定性对尼龙66隔热条加工过程中品质的保证具有决定性的作用,而光稳定性对保证尼龙66隔热条的长期安全使用有不可估量的影响。
 
 

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