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  ______    _____    _____       ___      _____   
 /_   _//  |  ___|| |  __ \\    / _ \\   /  ___|| 
   | ||    | ||__   | |  \ ||  | / \ || | // __   
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 /__//     |_____|| |_____//    \___//   \____//  
 `--`      `-----`   -----`     `---`     `---`

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Text this: Effects of treatment time by sulphur hexafluoride (SF 6) plasma on barrier and mechanical properties of paperboard