I don't know how the formula is, but Bait Plastics sells it on Ebay......
https://www.ebay.com/itm/402945028982?hash=item5dd1653376:g:o~wAAOSw2npg1NbL&amdata=enc%3AAQAIAAAAwJr4oooV8pKwMkIS8clGW3nO4sQQs4Ug%2Ff92BvB6X3r8mYAiB%2BTJCT10ec4JGxXXw6gEi%2BvzX6K%2B1E6jVAbNR2MGxUJ4TKL1XpFZ1Motelkp%2FYwWYUftgWDw%2Fx9dciPz13yjTXFSLn9k%2FccUTxw%2F27yNXXfDHkOi0H2oyacbZ4dMIOt0ZbsVdXPi%2BoOm4E2GBLpxvur9NAdPY%2FuO574aNJrcAdEu3yOOUBtGD04L1UCu0kK0uZdHCqauMX7FL56lOw%3D%3D|tkp%3ABk9SR-KZquCjYg
If this is the same stuff Z-Man uses, I have a love/hate relationship with it LOL. Excellent plastic, but good luck getting a screw in lock in that stuff!