Comie New 5 Gallon/10 Gallon Air Tire Bead Seater Blaster Tool Seating Inflator Truck ATV 145PSI (5 Gallon)

It has to do with the blast of air caused by the explosion, but you have to be accurate and how much explosive you put in there. An alternative is an air tank with a large valve to blast air into the seam. https://www.amazon.com/Comie-Gallon-Blaster-Seating-Inflator/dp/B071LMRFQP