Experts in Humidity & Moisture Control

Molecular Sieves 3A

Molecular Sieve 3A is a form of zeolite powder or zeolite paste. It is termed “3A” because it has a pore size of just 3 Angstroms, which is very very small (and about three-millionths of the width of a human hair) …This microscopic pore size helps it in the task of very selectively absorbing water (and not much else) because only water, at 2.6 Angstroms wide, can fit into its adsorptive pores.

This type of chemical, more commonly known by its brand name 3A SUPERSIV Powder, is used preferentially in comparison to other Molecular Sieves variants such as 4A, due to the fact that it is more effective. Initially 4A Powder seems cheaper to use, because it has a lower cost per kilo, when buying the raw material. However, one typically needs to use more 4A Powder than 3A, and so 3A Zeolite Powder tends to work-out cheaper, when calculated on the basis of ‘a kilo of finished polyurethane formula’ or polyurea formula.

To buy Molecular Sieves 3A then please click on the link here, and one of our team of Expert Advisors will be happy to help you.

Molecular sieves (3A) are available as both a powder and paste. To find out more about powders, click here. To find out more about pastes, then simply click here.

To ask any further questions (which we will be very happy to help you with), please just click the Expert Advisor button below, and one of our team will provide you with all the answers that you need!

We hope that you find this information useful. Further information on associated topics can be found here:
What is molecular sieve?
Polyurethane finish problems
Molecular sieves for water removal
Electrical Potting Compounds – How to Remove CO2 Bubbles?

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