F17 Formply (Two way strength direction) is made from sustainable Malaysia hardwood. Face and back are coated with phenolic resin impregnated paper bonded to overlay grade plywood to AS6669.
F17 Formply is far more straighter than the regular film faced plywood. This is due to the regular film faced uses genetic modification wood species. They are soft and the surface is uneven because it was created by film pressing the soft plywood.
F17 Formply is using A bond glue.