try a 50 /50 mix and see if thats better..
also make sure you stir your plastisol and stir it again..
if your plastisol is not stirred super good it will be weak .
They aren't Hildebrandt but Barlow's Tackle sells a #2 Gold plated brass Colorado blade that should work for you.
https://barlowstackle.com/Premium-Gold-Colorado-Blades-Smooth-Finish-P668/