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Morgan Advanced Ceramics Firemaster® WDS MarineFlex Porextherm
Categories: Ceramic; Oxide; Silicon Oxide

Material Notes: FireMaster® WDS® MarineFlex mats are an engineered 3D flexible microporous insulation product offering extremely low and flat thermal conductivity values in a wide temperature range, providing outstanding insulating performance which is up to five times better than other conventional insulators, together with excellent thermal stability up to 1000°C (1832°F). FireMaster® WDS® MarineFlex is a high-performance fire resistant product. Unlike other insulating materials, FireMaster® WDS® MarineFlex offers both high-temperature resistance and high thermal insulation. This means fire protection up to jet fire standard can be achieved with minimal thickness, less layers and space-saving designs. These benefits also provide a low weight solution. FireMaster® WDS® MarineFlex uses WDS® Technology; it is today the only available technology that allows to perfectly and consistently control and engineer both the texture and the distribution of the microporous mineral matrix core in order to obtain superior thermal characteristics but with improved mechanical properties overall. FireMaster® WDS® MarineFlex core is a composition of reinforced blend of opacified premium grade inorganic silicates available in different property formulations; this homogeneous mineral matrix is then covered with an outer envelope which is a glass cloth to enable fast and clean manipulation; the stitched grid guarantees the necessary flexibility and twisting properties. FireMaster® WDS® MarineFlex complies with the standard specification for microporous insulation ASTM C1676 FireMaster® WDS® MarineFlex products are EU MED approved as non-combustible materials.


  • Any fire protection application, particularly where space to fit fire insulation is limited
  • Lightweight and space saving fire protection of steel, aluminium and FRP structures in ships and offshore platforms
  • Minimising space required to fit fire insulation on yachts especially for FRP structures
  • High-performance fire insulation of process equipment such as a pipework
  • Thin constructions for fire doors
  • A critical insulation component of thin fire insulation systems such as flexible jacket systems for fire protection of valves and actuators
  • Non-combustible high-performance thermal insulation for exhaust systems

Information provided by Morgan Advanced Materials

Key Words: Porextherm
Available Properties
  • Density, nominal, core
  • Compressive Strength, ASTM C165
  • Specific Heat Capacity
  • Thermal Conductivity, ASTM C177
  • Thermal Conductivity, ASTM C177
  • Thermal Conductivity, ASTM C177
  • Thermal Conductivity, ASTM C177
  • Shrinkage, with temperature applied to one side
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