Permeation vs Penetration

Did you know that there is a difference in how some substance may come into contact with your skin, even if you are wearing protective clothing?  Understanding the proper clothing to wear when handling certain things is very important for your health, because some things can permeate through your clothing while others can penetrate our clothing.  So what is the difference between permeation and penetration?  Well, according to the site http://www.nitritex.com/news.php?article=96 , chemical permeation is basically when a substance is absorbed through the material.  Chemical penetration is when a substance passes right through holes of the material.  Penetration deals with a larger quantity of material where as permeation deals with small quantities.  Did you know there was a difference?http://ohsonline.com/Articles/2008/07/Permeation-vs-Penetration.aspx?Page=2  This site gives a lot of information about different tests that can be done on articles of clothing to test their penetration vs permeation characteristics.  For example, there are safety test done, as well as pressure tests and chemical tests to see what chemicals in certain materials and substances react with what.  Understanding the characteristics of the clothing you' re wearing is very important, because wearing the wrong type of material when handling certain materials and substances can be very dangerous.  Tests on penetration and permeation are very important; a lot of people don't really understand that there is a difference between the two and not knowing this may put you at serious risk of injury or health problems.  I hope this blog was helpful in providing information about the difference between penetration and permeation and also in explaining that certain types of clothing worn on the job will react to materials and substances differently.  If you would like a specific example of a chemical test done, go to the site http://www.lakeland.com/europe/our-products/fr-chemical-protective-clothing/further-information-permeation-vs-penetration-pyrolon-crfr.html.  This site gives information on some chemical and how they ere tested.