... Specification:13XDiameter:1.6-2.5mm or 3-8mmProperties1. Molecular sieve for powder crystal, metallic luster, hardness is 3 ... acidoresistant as Al2O3 composed of SiO2 / than increased with the.2. Molecular sieve has a lot of specific surface area, 300 ... adsorption properties and catalytic properties, thus made different properties of molecular sieve catalyst.Use:This product used as desiccantWe supply ...