Table I.

Formulation of HMPSA

Excipient		Mass/g
Base material	SIS	100
Tackifying resin	C5RH	140
Plasticizer	LPF	40
	DHP	20
Hydrophilic adjustor	lanoline	20
Antioxidant	DTBC	2

SIS styrene–isoprene–styrene tri-block copolymer, C5RH C5 hydrogenate petroleum resin, LPF liquid paraffin, DHP dibutyl phthalate, DTBC 2,6-di-tert-butyl-p-cresol