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  2. DOWSIL™ HV 493 Water Repellent

DOWSIL™ HV 493 Water Repellent

Uses:

  • Hydrophobic treatment of glass wool and mineral wool insulation
  • Especially recommended where elevated application temperatures occur, such as in the manufacture of fiberglass boards and mats 

Benefits:

  • Good water repellency compared to standard silicone emulsions
  • Compatible with most phenolic resin binder solutions
  • Retains hydrophobing properties after processing at high temperatures
  • Effective water repellency at low addition rates
  • Performance is achieved without the need to change binder treatment or processing steps 
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DOWSIL™ HV 493 Water Repellent
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DOWSIL™ HV 493 Water Repellent
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