All materials are certified food safe according to FDA and EU regulations

These BBs use premium bearing and feature an inner sleeve to protect from water inside the frame

The question was can one single rubber compound provide this

YEP Uptimizer

FOX Ranger Water Jacket Lunar Se - S - Black PDP|PLP|Suits Freehub Type All materials are certified foodMTB SPECIFIC RAIN JACKET 2. 5L construction is waterproof and breathable Stretch material for added mobility and on bike comfort 10k 5k waterproof breathability rating C0 DWR for added weather and dirt resistance Over helmet hood for maximum protection Zippered hand pockets to keep valuables safe Hood and hip adjusters to customise fit Reflective features for night time visibility, including full reflective drop tail back panel