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  • Food Grade silicones?

     olivero updated 3 weeks, 1 day ago 2 Members · 4 Posts
  • olivero

    Member
    October 17, 2019 at 12:41 pm

    Hey Guys,

    I’ve always been a fan of using food grade just to be safe, but I don’t quite understand the difference between food safe and non food safe silicones, what’s different about it?

    I was told the food safe ones won’t grow mold and stuff like that but is that the only difference? Also, do you use food safe in the kitchen everywhere or only on surfaces that will actually contact food?

    I’ve always used it everywhere, for walls, anything, just to be safe but perhaps I’m wasting my silicone?

  • fixbear

    Member
    October 17, 2019 at 4:25 pm

     was a discovery by GE’s R&D in Niskiyuna down the road from me in the 50’s.  They built a plant just for that in Waterford, NY and operated it for many years till it became a enviromental liability and the patents were expiring. They then sold it as other chemical companies came on line making them.  The genuine GE’s were awesome products  that were safe in most any forms.  But they do have other chemicals involved like acetic acid and some long named others.  After all, basically silicone is no more than silica (sand) in a flexible but stable form.  A byproduct that is from it is distilled and used for contact len’es. Worth about $5000 per gallon in 93 and can’t get over 40F till used. Tarry nasty stuff to remove. 

    Now, lets get to the difference.  Food grade,  Med grade,  MIl grade,  Space grade are no more than testing certifications that they do not contain chemical contaminants for the use.  And the manufacturer stands behine the product for that usage.   Obviously a major company will spend a lot of money for these certifications if there is a market to pay for them.  Sometimes it is the same product and sometimes it’s not.  They may use a different solvent or stabilizers to meet the requirements.. But the only way to be sure is to buy the certified ones.  Believe me, over the years I have used non-certified ones,  but I went in knowing the the line.  After all, i spent a bit of time at R&D.

    • fixbear

      Member
      October 17, 2019 at 4:30 pm

      I forgot to answer your basic question on anti fungal . Nope, not true. The ph of silicones products are normally below where fungal s and bacteria’s like to grow. 

  • olivero

    Member
    October 21, 2019 at 10:39 am

    I didn’ get a respond notification on this so I didn’t see your response.

    Interesting information though, so I guess it’s just the fact they went through with the testing to make sure it wasn’t harmful.

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