Sorry bud, but I think you have the wrong explosive, PETN’s preparation involves the nitration of pentaerythritol with a mixture of concentrated nitric and sulfuric acid.
TATP, Acetone peroxide (triacetone triperoxide, peroxyacetone, TATP, TCAP) “Acetone peroxide” most commonly refers to the cyclic trimer TCAP (tri-cyclic acetone peroxide, or tri-cyclo, C9H18O6) obtained by a reaction between hydrogen peroxide and acetone in an acid-catalyzed nucleophilic addition