Based on this product's specifications, here are some alternatives and similar models
Soldering Loading Paste 50 g, brand Loading Paste, model CHE1412
Summary description:
Loading Paste CHE1412 is a 50 g tube of soldering/loading paste intended for electronics assembly and rework. Supplied in a compact container, it provides flux and soldering aid for component placement, surface preparation and solder joint improvement. Suitable for manual and stencil applications, it helps ensure reliable wetting and cleaner solder connections for repair and prototyping work.