• General

  DMDM hydantoin upper limit. 0.6% pure preservative or liquid with is 0.33% preservative?

  Posted by Abdullah on September 25, 2021 at 4:07 am

  Is the maximum usage rate of DMDM hydantoin 0.6% of this 55% liquid blend or pure preservative which is 1.1% of this 55% liquid blend? 

  Abdullah replied 3 years, 2 months ago 2 Members · 4 Replies

  • dmdm-hydantoin
  • preservative
• 4 Replies

• 

  PhilGeis

  Member

  September 27, 2021 at 4:35 pm

  That is upper limit — start with 2000-2500 ppm active 

• 

  Abdullah

  Member

  September 28, 2021 at 1:17 am

  @PhilGeis 6000 ppm active preservative is the upper limit correct? 

• 

  PhilGeis

  Member

  September 28, 2021 at 7:17 pm

  No - that’s way too much

• 

  Abdullah

  Member

  September 29, 2021 at 1:12 am

  @PhilGeis thanks

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