[Experimental] Natural Very Hard TPU-72D (AMS-compatible) - 1.75mm 1kg Fluorescent ✅ 6691 Marine Biodegradable –

✅ 6691 Marine Biodegradable – Fully degrades in oceans

Why Choose Polar Filament PETG

⚠️ This is an experimental R&D batch while we work toward certification

and functional components

but has limited recycling options

[Experimental] Natural Very Hard TPU-72D (AMS-compatible) - 1.75mm 1kg Fluorescent ✅ 6691 Marine Biodegradable –Experimental material, sold as is. No refunds replacements. TPU 72D is the next material in our TPU lineup, even harder than 60D. We aim to have very high layer adhesion, resulting in great impact resistance. This TPU is aimed at people looking to print strong rigid parts that can still take a beating without cracking.