Dupont demanding the R&D of its competitors?
Never forgave dupont for the freon debacle.
R-12 freon is heavier than air. I falls to the ground and dissipates in 2-3 days.
What are you talking about? EPA mandated switching to the newer less efficient R-432?
R-12 worked just fine. So did Kevlar and it’s superior Spectra from the old Allied Corp.
Dupont demanding the R&D of its competitors?
Now that you mention it, this is a bit like watching Godzilla vs. Mothra. Hard to know who to root for.