Silflex – Lead Wool Blanket Alternative

“…competively priced lead wool blanket alternative with unique advantages.”

silflex_blanket2MarShield offers a competively priced lead wool blanket alternative product with unique advantages. SILFLEX® non-hazardous lead replacement sheet product is a proprietary blend of bismuth and iron powders optimized to provide equivalent attenuation to either a 10 lb/ft or 15 lb/ft lead wool products at approximately 50% of the weight.

Features & Benefits

  • 50% of the weight of conventional 10-15 lb/ft lead wool products
  • Durable industrial grade product that will provide 20 years of service
  • Highly resistant to exposure to Boric Acid and Sodium Hydroxide 
  • Excellent chemical resistance at elevated temperatures.
  • Highly resistant to physical abuse including puncture
  • Compatible with galvanized, carbon steel and stainless steel.


  • High Temperature Environments
  • Chemical Resistant Applications
  • Large Weight Sensitive Applications
  • Space Restricted Environments
  • Galvanized, carbon steel and stainless steel.

Download our Silflex – Nonlead Blanket Information Sheet here and feel free to call our product engineering specialists at MarShield anytime for a consultation.