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Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe
Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe
亨斯迈SUPRASEC 2911改性MDI,低官能度2.0-2.2,NCO含量31.5-32.5%,用于管道保温、预制直埋管。
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Basic Parameters

一、基本参数与技术规格

产品牌号SUPRASEC 2911
生产厂家亨斯迈(Huntsman)
化学名称改性二苯基甲烷二异氰酸酯
CAS号9016-87-9
NCO含量31.5-32.5%
粘度(25°C)180-300 mPa·s
密度(25°C)~1.21 g/cm³
官能度2.0-2.2
外观浅棕色至棕色液体
闪点>200°C
酸度(HCl)≤0.05%
包装规格250kg/桶
保质期12个月

二、产品核心特点

  • 低官能度(2.0-2.2)设计,泡沫柔韧性好
  • 泡沫耐温性优异,适合高温管道工况
  • 与钢管、PE外护管粘结力强
  • 泡沫尺寸稳定性好,长期使用无收缩
  • 流动性适中,适合管道环形空间填充
  • 可配合多种发泡剂使用

三、典型应用领域

  • 集中供热预制直埋保温管
  • 石油天然气管道保温
  • 化工管道保温
  • 蒸汽管道保温
  • LNG管道保冷

四、加工使用建议

  • 推荐NCO指数:1.05-1.15
  • 推荐发泡剂:环戊烷或环戊烷+水组合
  • 浇注温度:20-30°C
  • 管体预热温度:40-60°C
  • 浇注方式:管中管浇注或端头浇注
  • 固化时间:脱模≥30分钟,完全固化24小时

五、关键性能数据

性能指标数据
NCO含量31.5-32.5%
粘度(25°C)180-300 mPa·s
密度~1.21 g/cm³
官能度2.0-2.2
泡沫导热系数≤0.027 W/m·K (50°C)
压缩强度≥300 kPa

六、包装、储存与安全

  • 储存温度:15-35°C
  • 密封充氮保存
  • 避免接触水分

使用前请仔细阅读产品安全数据表(MSDS),做好个人防护。

七、企业资质与售后服务

上海道勤实业有限公司专业供应亨斯迈(Huntsman)全系列化工产品,产品涵盖SUPRASEC MDI、JEFFAMINE聚醚胺、ARALDITE环氧树脂、ARADUR固化剂、IROGRAN/AVALON TPU等。所有产品均为亨斯迈原厂正品,可提供原厂TDS和MSDS。

联系电话:19279864570(微信同号)
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Product Features

  • Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe Properties, Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe Product Parameters, Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe Performance Data, Huntsman SUPRASEC 2911 Modified MDI Pipeline insulation Low functionality Prefabricated direct-buried pipe Factory Report, MSDS, Material Safety Data Sheet, UL Yellow Card, SGS Report, RoHS, Food Grade Certification, NSF Drinking Water Standard, Product Information, Product Performance, Factory Report, Original Packaging, Authorized Distributor, Heat Deflection Temperature, Melt Index, Flow Coefficient, Impact Resistance, Impact Strength, Low Temperature Toughness, Low Temperature Impact Resistance, Melt Flow Rate, Processing Technology, Processing Parameters, Processing Temperature, EU RoHS, German FDA, US FDA, Japan FDA

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