Ti-622 is made from a blend of natural solvents and is designed for seaming polyolefin sleeve labels.  It has been tested and approved by Karlville Development on the following substrates:

Taghleef Industries SHAPE360® TD Shrink Film

TDS 50 – 50 µm, transparent, low density, recycle friendly
https://www.ti-films.com/en/labels/shrink/products

Recommended flow: 1.5 mL/minute/ 100m/min of speed