Water Repellent and Water Proof Finishes

Certain end use of textiles such as umbrella cloth, swim suit, sports wear, rain coat, tarpaulin etc. need water repellency or water proofing.
When a uniform coating of suitable substances such as rubber is produced on the surface of the fabric, the interstitches between the warp and weft yarns are blocked by the continuous film of that substances and water will not pass through the fabric. This phenomena is known as water repellent or water proof finishes.
water repellent and proof structure
However, the rubber treated fabric becomes impermeable to air as well as moisture, when a treated fabric is impermeable to water and air then this type of finishes is called water proof finish.
When the protection from water is desired as in apparel purpose, the treated fabric should be permeable to air but not in water. This type of finish is called water repellent finish.
Method of Application: Water repellent or proof finishes are produced by the use of water insoluble metal soap like aluminum stearate. This is usually done by treating the fabric first with an aqueous solution of the metal that is aluminum acetate or lead acetate, that passing through water soluble soap like sodium stearate.
Paraffin wax or vegetable waxes are used along with aluminum stearate to increase the water repellent effect.
Agents for Water Repellent and Water Proof Finishes: The following agents are commercially used for water repellent or proof finishes. They are,
  1. Bteanoxy methyl pyridinium chloride 
  2. Bteanamide= C17H35CONH2.
  3. Methylate methylol stearamide = C17H35CONCH2OH
  4. Methylene bis-stearamide 
  5. Methylol stearamide 


  1. I was unaware of the fact that there is actually a difference between water proof finish and water repellent finish. Thanks for the information. I'll subscribe to this blog for future reading.

    1. Dear Eton
      Thanks for visiting my site...and best wishes for your future....
      Define Textile
      Stay Connected

  2. Dear,

    Well article it is and appreciating also but short descriptive. Can u pls share a whole process of water proofing with relevant images and reactions. Just waiting..


  3. Rain-X Latitude Water Repellency Rain-X Products. ... Rain-X Latitude Wiper Blades Review in 4k ... Rain-X Glass Cleaner with Rain Repellent Review .. Rain x latitude water repellency review

  4. Some more recreational water sports which you can try are: - Spear-fishing, Barefoot skiing, Free Diving, Cave Diving etc. RAFTING

  5. Truly, this article is really one of the very best in the history of articles. I am a antique ’Article’ collector and I sometimes read some new articles if I find them interesting. And I found this one pretty fascinating and it should go into my collection. Very good work! whole house water filter

  6. There are some of comprehensive paddleboarding goals, yet Mexico beat the rundown for its host of conduits, immaculate sea shores, chronicled features and world class feasting. inflatable paddle board

  7. I'll offer recommendations for a variety of situations, and provide some good tips too. I promise this series will be worth following! table top water filter

  8. Took me time to read all the comments, but I really enjoyed the article. It proved to be Very helpful to me and I am sure to all the commenters here! It’s always nice when you can not only be informed, but also entertained! photographe Strasbourg

  9. This comment has been removed by the author.

  10. Need more...


  11. Surfing has developed over the years from being associated with drugs; unemployment and school dropouts to being accepted as a clean mainstream sport around the world. Surfers can now be seen using surfing exercises and surf training to stay fit, strong and healthy to improve dynamic and athletic endeavors in the surf. This article looks at why surfing exercises are so important to improve surfing performance in this day and age. online skate shops

  12. I discovered your blog site internet site on yahoo and appearance a number of your early posts. Preserve within the great operate. I recently additional up your Rss to my MSN News Reader. Looking for forward to reading more by you at a later date!… Best management assignment provider


Spamming is strictly Prohibited. Each and every Spam Comment will be deleted soon. So stay away from Spamming.