high quality molecular sieve 1)10 years professional manufacturer for 3A, 4A,5A, 13X 2)drying,absorbent,cleaning ect. producthigh quality ... gas (as when used in dehydration), or heating under high vacuum.3A (pore size 3 Å): Adsorbs NH3, H2O, ... 0.6023-240.3-0.5Absorbent for removal of thioalcohol in aviation kerosen and the liquid hydrocarbon Package can meet individrual requirements high quality ...