No powder Molecular Sieve 1.type:3A, 4A, 5A,13X 13X APG 2 ... 4.COA; MSDS ect No powder Molecular Sieve 3A, 4A, 5A,13X 13X APGProduct descriptionMolecular sieve is ... as when used in dehydration), or heating under high vacuum.3A (pore size 3 Å): Adsorbs NH3, H2O, (not ... -butylamine). Useful for drying .Technical specification TypeBulk densityγρg/ml Water absorptionA % Wear abilityW % Application3A0.60- ...