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Silicone Coating/Impregnating | Definition


sili-cōn cō-ting / im-preg-nā-ting


Silicone coatings have become much more standard in the last 10 years in the industry. Usually, silicone is applied to both sides of nylon or polyester (also called impregnation) to waterproof the base woven fabric. There is no significant difference between coatings and impregnation. 

Pros of Silicone coatings include:

  • Lighter
  • Increases fabric tear strength
  • Chemically inert (no hydrolysis)
  • Highly durable
  • Totally hydrophobic
  • Increased abrasion resistance

Cons of Silicone coatings include:

  • Higher price
  • Harder to seam seal/sew
  • Not great for heavier-duty applications
  • Can be more difficult to get extremely high hydrostatic head rating
  • Cannot be mixed with chemical fire retardants

Associated Products:

1.1 oz Silnylon

1.1 oz MTN Silnylon


Glossary Category:

Fabric Finishing