FUSHEJIAOLIANJUYIXIRESHOUSUOTAOJIANCHENGWEIJUYIXIRESUOTAO。XINGYENEIDEJIAOFAHAIYOU:FANGFUYONGRESHOUSUOTAO、TONGZHUANGRESHOUSUOTAO、BIKOUSHIRESHOUSUOTAO、SITAO、YUANTAODENG。TAZHUANMENYONGYUGANGZHIGUANDAOHANKOUDEFANGFUJIBAOWENGUANDAODEBAOWENBUKOU。ZAIZUHEBUKOUZHONG,JUYIXIRESUOTAOYEZUOWEIWAIBAOHUCENGSHIYONG,YONGLAIDIYULAIZIYUWAIJIEDEJIXIEYINGLISHANGHAI。
注意:聚乙烯热缩套必须在管道焊接前,预先套在管道上。待管道焊接并防腐处理完毕后,将聚乙烯热缩套移动到焊口位置进行加热收缩。
聚乙烯热缩套由辐射交联聚烯烃背材和特种密封热熔胶复合而成。在施工过程中和双组份无溶剂环氧底漆配套使用。
产品在加热安装过程中,基材在径向收缩的同时,内部复合胶层熔化,紧紧的包覆在补口处,与基材一起在管道表面形成一个牢固的防腐体。具有优异的耐磨损、耐腐蚀、抗冲击、耐紫外线和光老化性能。
A.聚乙烯热缩套厚度
SHIYONGGUANJING | JI CAI | JIAO CENG |
≤400mm | ≥1.2mm | ≥1.0mm |
>400mm | ≥1.5mm |
B.聚乙烯热缩套性能指标
XIANG MU | XINGNENGZHIBIAO | SHIYANFANGFA |
JICAIXINGNENG | ||
LASHENQIANGDU,MPa | ≥17 | GB/T1040.2 |
DUANLIESHENZHANGLV,% | ≥400 | GB/T1040.2 |
WEIKARUANHUADIAN,℃ | ≥90 | GB/T1633 |
CUIHUAWENDU,℃ | ≤-65 | GB/T5470 |
DIANQIQIANGDU,MV/m | ≥25 | GB/T1408.1 |
TIJIDIANZULV,Ω·m | ≥1x1013 | GB/T1410 |
NAIHUANJINGYINGLIKAILIE(F50),h | ≥1000 | GB/T1842 |
NAIHUAXUEJIEZHIFUSHI(JINPAO7d),% 10%HCl 10%NaOH 10%NaCl | ≥85 | FULUH |
NAIRELAOHUA(150℃,21d) LASHENQIANGDU,MPa DUANLIESHENZHANGLV,% |
≥14 ≥300 | GB/T1040.2 |
RECHONGJI(225℃,4h) | WULIEWEN,WULIUTANG,WUCHUIDI | FULUL |
JIAOCENGXINGNENG | ||
JIAORUANHUADIAN(HUANQIUFA),℃ ZUIGAOSHEJIWENDUWEI50℃ ZUIGAOSHEJIWENDUWEI70℃ |
≥90 ≥110 | GB/T4507 |
DAJIEJIANQIEQIANGDU(23℃),MPa DAJIEJIANQIEQIANGDU(50℃HUO70℃),MPa
| ≥1.0
≥0.05 | GB/T7124 |
CUIHUAWENDU,℃ | ≤-15 | FULUM |
BOLIQIANGDU,N/cm RESHOUSUODAI(TAO)DUIGANG、HUANYANGDIQIGANG、JUYIXICENG(23℃) (50℃HUO70℃) | ≥70
≥10 | GB/T2792 |
DIQIXINGNENG | ||
JIANQIEQIANGDU,MPa | ≥5.0 | GB/T7124 |
YINJIBOLI(65℃,48h),mm | ≤10 | FULUD |
C.聚乙烯热缩套安装系统的性能指标
XIANG MU | XINGNENGZHIBIAO | SHIYANFANGFA |
KANGCHONGJIQIANGDU,J | ≥15 | FULUK |
YINJIBOLI(ZUIGAOSHIYONGWENDU,30d),mm | ≤25 | FULUD |
NAIRESHUIJINPAO(ZUIGAOSHIYONGWENDU,120d) | WUGUPAO,WUBOLI,MOXIAWUSHUI | FULUN |