Loctite Thread-locker medium strength, 0.5ml capsule
According to the Henkel website (manufacturer of Loctite), this product is NSF/ANSI 61 Certified.We reached out to Henkel directly, and their tech services representative responded with:I have confirmed that the Loctite 243 should be acceptable for yourneeds in that it carries a potable water certification (Keep in mind only the 250ml and 1L bottles carry this certification) and can withstand temperatures up to 360F.
