EC21 Product Catalogs - y type molecular sieve http://www.ec21.com/ec-market/y type molecular sieve.html Sodium Zeolitehttp://wishchemicals.en.ec21.com/Sodium_Zeolite--3544876_3549297.html Technical parameter: Crystallinity: 90% min Si-Al (SiO 2 /Al 2 0 3 ): 5.0 min Appearance: white powder 20090925 Chemicalhttp://chunwoo21.en.ec21.com/Chemical--121762_121764.htmlTYPE MOLECULAR SIEVE : ABSORBENTS FOR MOISTURE, Co, ARSINE. 3Å, 4Å, 5Å, 13Å ANTI-BLOCKING AGENTS 20030227 4a Zeolitehttp://yinzheng13.en.ec21.com/4a_Zeolite--607127_916603.htmlChemical Name: Sodium Alumino-Silicate, Type A Molecular Formula:Na2O.Al2O3.2SiO.4.5H2O Appearance: Uniform white and f20050801