#500 Retarding Thinner can be added to the Permalac Original, Permalac EF, or Permalac NT. It should be used to extend flow time and prevent solvent blush when working in high temperatures or high relative dew points. This will make Permalac take around an hour to set up. Use between 2-5%. Use when humidity exceeds 85%.
UPS requires an additional hazardous materials fee for one-gallon or larger containers and special spill-resistant packaging. You can avoid these fees if you order in quarts.
Safety and technical data pages are available here. Certificates of analysis are available here.
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