... desiccant in oil,chemical industry. 1. Performance characteristics:3A molecular sieve's aperture is 3A, it is mainly used for adsorbed water, does ... .5≤1.5Note: The above is a common indicator of 3A molecular sieve, due to different specific applications, products indicators would be ... in accordance with GB10504-89,GB10505.110505.4-89 standard . 3A molecular sieve