陕西11选5

LVKANGWEININTIGONGYOUZHIDEGUITONGJIAOCHANPIN

180-5555-8888

当前位置:陕西11选5 > 陕西11选5 > 行业动态

耐候胶注胶时裹进空气如何处理

作者:临沂市绿康胶粘剂有限公司发布时间:2019-05-13 14:39:00tags: 耐候胶

耐候胶注胶时裹进空气如何处理

陕西11选5MUQIANGUITONGNAIHOUMIFENGJIAOSHIJIANZHUMUQIANGBIBUKESHAODECAILIAOZHIYI,JUYOUMIFENG、FANGSHUI、FANGZHENDONGJIGEYIN、GEREDENGZUOYONG。GUITONGNAIHOUMIFENGJIAOYOUYUJUYOULIANGHAODENAIHOUXING、KANGLAOHUAXING、DANXING、ZHANJIEXING,CHENGWEIJIANZHUMUQIANGSHOUXUANDEMIFENGCAILIAO。SUIZHEDAMIANJIYINKUANGBOLIMUQIANGDEYONGLIANGZHUJIANJIANSHAO,JINSHUBANMUQIANG,SHICAIMUQIANGDEYONGLIANGZHUJIANZENGJIA,GUITONGNAIHOUMIFENGJIAODEYINGYONGBILIYEYIZHIZAIZENGJIA,ZHUJIANCHAOGUOLEGUITONGJIEGOUMIFENGJIAO,CHENGWEIJIANZHUMUQIANGSHANGYONGLIANGZUIDADEGUITONGMIFENGJIAO,ERSUIZHERENMENDUIZHUANGXIUMEIGUANXUQIUDETISHENG,ZAISHIYONGGUITONGNAIHOUMIFENGJIAOGONGCHENGZHONGRENMENBUDANZHUZHONGJIAODEYINGYONGXINGNENGDUIQIBIAOMIANDEMEIGUANDUYEYAOQIUYUELAIYUEGAO,QIZHONGYIDIANJIUYOUGUITONGNAIHOUMIFENGJIAOQIPAOFANGMIAN,NEIMEYOUNAXIEYUANYINHUIDAOZHIGUITONGNAIHOUMIFENGJIAOQIPAO?

硅酮密封胶陕西11选5施胶后胶缝表里刮压,修整光洁,胶缝里面的垫杆一般都选用闭孔的聚乙烯泡沫棒,裹进胶缝里面的空气不易溢出去,胶缝修整空气压缩后,会产生向外的隆张力,耐候胶缝一般都较宽,厚度较小,提供高位移能力的耐候胶,硬度都较低,胶未固化前很软,压缩空气的隆张力把胶缝慢慢撑起泡。

这种现像在能提供±25%以上胶缝位移能力的硅酮密封胶的应用上,更容易发生。相反有些允许位移能力较低的硅酮密封胶,硬度较高,胶未固化前比较稠。裹进胶缝里面压缩空气的隆重张力不易把胶撑起泡。所以,愈是能提供高位移能力的耐候胶,注胶时,更要注意注胶的均匀性。竖胶缝一般注胶可采用从下向上施胶,可克服一些起泡现象。



陕西11选5Copyright © 2019 SHANDONGLVKANGJIAOGUITONGJIAOCHANGJIA All Rights Reserved LUICPBEI14017074HAO-1 LVKANGALIGUOJIZHAN | LVKANGJIAOZHANJIGUANFANGQIYEDIAN |

技术支持:智顺网络