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关键词:宁波聚丙烯防腐胶带
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Polypropylene fiber anticorrosive tapethods of application Steel pipe surface treatment :rust removal removal , removing welding slag ,burr ,oil and keeping dry and clean ,manual rust removal should reach St3 ,mechanical St2 ,meeting the request of SYH4007-86.Primer coating: adopting customized mating priming paint .keep away from fire .Spreading equably no matter brushing ,rolling or spraying .priming paint dosage for manual work 12/L ,mechanical cotruction 20/L.When surface dry (in 5-10minutes ),wrapping can be done .After the quality ipection is done .the pipes can be put put back into the ditch and be buried .2.Main technical specification Item Unit Ordinary Strengthened SpeciallySerial Number ------- LX-T760 LX--T770 LX--T780color -------- Black ,gray ,green or othepecification mm 50,75,100,150,250,300,500RubberThickness Basement membrane thickness mm 0.30 0.30 0.60 0.60 Bond line thickness mm 0.85 0.90 1.10 0.95 1.00 1.05 Aggregate thickness mm 1.15 1.20 1.40 1.50 1.60 1.65Teile strength Mpa ≥60PeelStrength To priming painted steel cm ≥45 To priming painted steel cm ≥25Dielectric strength Kv/mm. ≥30Volume resistivity .m ＞1×10Water vapor permeability (24th ) Mg/㎝ ＜0.45Thermal antioxidation test 2400h % ＜25Antiultraviolet light % ≥80Water absorption % ＜0.35http:fangzhiguo.cn.b2b168.com
