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4A molecular sieve is a synthetic zeolite applied in the dehydration of most gases and liquids such as air, carbon dioxide, natural gas, coal gas, hydrogen gas, oxygen gas, refrigerants, solvents, and in the purification of Argon gas. Gas phase processes typical require 4x8 mesh beads, while liquid phase processes more commonly use smaller 8x12 mesh beads.
We offer 4A molecular sieve in several convenient package sizes. Pails and jars contain bead diameters of 4x8 mesh. Steel drums are available in 4x8 or 8x12 mesh size.