应用指南 | 执行标准standard | GB/T 23257-2009,SY/T 0413-2002,EN12008 |
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温度等级Temperature Degree | WT50(Mastic) | WT60 | WTS80 |
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运行温度Max Operating Temperature | 60℃ | 70℃ | 85℃ |
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适用外防腐涂层Suitable Coating | PE,FBE,PP | PE,FBE,PP | PE,FBE,PP |
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钢管预热温度Preheat Temperature to Steel | 60℃ | 75℃ | 85℃ |
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推荐除锈等级Rust Cleaning Degree | Sa2.5,St3.0 | Sa2.5,St3.0 | Sa2.5,St3.0 |
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主要参数中文 | 性能Property | 测试方法Test Method | WT50(Mastic) | WT60 | WT80 |
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典型值typical | 典型值typical | 典型值typical |
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底漆Epoxy Primer |
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固体含量(%)Solid Content | GB/T 1728 | 99.5 | 99.5 | 99.5 |
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阴极剥离(65℃,48h)(mm)Cathodic Disbonding | Q/SY GJX0113-2007(附录D) | 8 | 8 | 8 |
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基材Backing |
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拉伸强度 (MPa)Tensile Strength | GB/T 1042-92 | 21 | 24 | 24 |
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断裂伸长率 (%)Elongation | GB/T 1042-92 | 550 | 550 | 550 |
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介电强度 (MV/m)Dielectric strength | GB/T 1408.1-99 | 35 | 35 | 35 |
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体积电阻率 (Ω.m)Volume Resistance | GB/T 1410-89 | 4.0x1015 | 4.0x1015 | 4.0x1015 |
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吸水率 (%)water absorption | ASTMD 570-2005 | 0.01 | 0.01 | 0.01 |
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热老化(150℃,21天)Thermal aging |
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拉伸强度 (MPa)Tensile Strength | GB/T 1042-92 | 17 | 18 | 19 |
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断裂伸长率 (%)Elongation | GB/T 1042-92 | 450 | 480 | 480 |
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耐紫外线老化 EN12068Ultraviolet aging resistance |
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断裂伸长率 (%)Elongation | GB/T 1042-92 | 440 | 480 | 480 |
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热熔胶Adhesive |
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软化点(℃)Softening Point | GB/T 4507-85 | 78 | 113 | 120 |
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搭接剪切强度 (MPa)Lap Shear | ASTM D1002-05 | 0.8 | 0.8 | 1 |
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低温韧性low-temperature toughness |
| -30℃ | -20℃ | -15℃ |
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安装后热缩缠绕带 Heat shrinkable waterproof cap after installation |
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剥离强度 23℃ GB/T 2792-98Peel strength |
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对底漆钢(N/cm)PRIMER STEEL | --------- | 90 | 160 | 140 |
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对PE (N/cm) | --------- | 85 | 110 | 95 |
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阴极剥离(70℃,30d)(mm)Cathodic Disbonding | SYT 0413-2002 | / | 18 | 18 |
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热水浸泡Hot water immersion | ASTMD 870-2002 | 实验条件下没有分层、没有水浸痕迹 | 实验条件下没有分层、没有水浸痕迹 | 实验条件下没有分层、没有水浸痕迹 |
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产品规格 | 产品宽度width | 50-720mm | 其它规格可定制 |
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产品长度length | 25M/30M |
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基材厚度Backing thickness | 1.0-1.5mm |
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胶层厚度Adhesive thickness | 0.8-2.0mm |
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举例:WT(60)150×25000-1.2/0.8 |
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适用温度等级通常50度2PE和60度3PE结构默认不写 |
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