Transo-Pharm USA - Blue Bell, PA
Distributor
Stocking distributor of bulk Silica Gel, Molecular Sieves & Activated Alumina. Silica Gel line includes beaded, granular, blue indicating, yellow-green indicating, micronized powders Sylox equivalents), military grades, & wide pore. Molecular sieves available in 3A, 4A, 5A, 13X beads, powders & pellets. Activated alumina available in 1/8, 3/16, 1/4 & 1/2 inch bead sizes. Desiccants are used for packaging, air drying, filtration, & air dehumidification. Silica based precious metal scavengers (palladium and platinum) for pharmaceutical applications now available.

Kaltron-Pettibone - Bensenville, IL
Distributor
Supplier: Bulk Silica Gel Used In Static & Dynamic Air/Gas Drying, Desiccant Packaging/Filtration. Includes Silica Gels

Hengye USA - Bensenville, IL
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor of molecular sieves including angstrom, carbon, zeolite & mesoporous constructed of crystalline metal aluminosilicates. Featuring 4 to 8 mesh for gas phase applications & 8 to12 mesh type for liquid phase applications. The powder forms of the 3A, 4A, 5A & 13X sieves are suitable for specialized applications. Featuring drying capacity to 90 degrees C, utility in synthetic organic procedures. Zeolites have the ability to remove water, alcohols, including methanol & ethanol, & HCl from ketimine & enamine syntheses, ester condensations as well as the conversion of unsaturated aldehydes to polyenals.