From: buddhikaranawaka43@gmail.com   
      
   On Tuesday, December 19, 2017 at 4:45:15 AM UTC+5:30, Frank wrote:   
   > On 12/18/2017 3:47 PM, Libor 'Poutnik' Stříž wrote:   
   > > Dne 18/12/2017 v 18:17 Frank napsal(a):   
   > >> On 12/18/2017 8:42 AM, Dean wrote:   
   > >>> On Monday, December 18, 2017 at 12:37:29 AM UTC-5, Buddhika Ranawaka   
   > >>> wrote:   
   > >>>> Please let me know suitable chemicals that can be used to clean gear   
   > >>>> oil from plastic and glass beakers.   
   > >>>>   
   > >>>> Thank you   
   > >>>   
   > >>> Start with detergent in water.   
   > >>>   
   > >> Most likely the plastic beakers are polypropylene which can be cleaned   
   > >> the same as a glass beakers.   
   > >    
   > > Problem with PE/PP is it absorbs lipophilic compounds   
   > > and it may happen it will smell like the oil forever.   
   > >    
   > That's true.  Not as sure of PP but PE is only soluble in hot mineral    
   > solvents above the polymer mp.  Otherwise some may diffuse into them.    
   > They are best for handling strong caustic or HF which attack glass.   
      
   Thank you very much "Libor 'Poutnik' Stříž", "Dean" and "Frank" for your   
   valuable ideas and guidance.   
      
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