RP-A type, Absorb both oxygen and moisture

RP-K type, Absorb oxygen, and neutral for moisture

High gas barrier bag for RP system

Products	Features	Gas barrier	Oxygen transmission rate (cc/m2;day;atm)	Water vapor transmission rate (g/m2;day at 77 ºF, 60%RH)
Aluminum foil laminated bag	Bag shape	Perfect gas barrier	<0.01	<0.01
PTS bag (silica deposit bag)	Transparent Bag shape	High gas barrier	0.5	0.08
Escal (silica deposit high gas barrier)	Transparent bag, tube, film shape	Very High gas barrier	0.05	0.01