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Q&A About Activated Molecular Sieve Powder

Q&A About Activated Molecular Sieve Powder

2022-05-07


1、What is the raw material and production process of molecular sieve activation powder?

The main raw material of molecular sieve activation powder is silicon aluminate. It is dehydrated synthetic powder molecular sieve.

3A is sodium potassium aluminate,4A is sodium silicate aluminate,5A is sodium calcium silicate aluminate.

The main production process is the raw molecular sieve powder after high temperature roasting process.


2、What is the main function of activated molecular sieve powder ?

It is used in some special absorptive circumstances, such as being formless desiccant, being adsorbent mixed with other materials etc. It can remove water eliminate bubbles, increase uniformity and strength when being additive or base in paint, resin and some adhesives.


3、Why is the bigger the hole, the more expensive the price? Why is the price of 4A the lowest ?

Yes. Price of  4A is relatively low because 3A and 5A are swapped by 4A.


4、Which glue is suitable for molecular sieve activation powder?

Any glue containing infinitesimal moisture may affect the product quality


5、Whether activated molecular sieve powder will affect the viscosity of glue?

Activated molecular sieve powder won’t increase glue viscosity, may affect viscosity only after the addition of other inorganic materials.


6、The main function of activated molecular sieve powder (what is the difference with defoamer)?

The activated molecular sieve powder absorbs excess water in the system, and the defoamer is defoaming and does not absorb water.

The principle of the defoamer is to break the balance of foam stability, thereby breaking the cells. Molecular sieve activated powder absorbs water and is used to break the balance of water phase and oil phase to defoaming.


7、Will activated molecular sieve powder spit water back, such as in resin?

Won't. Activated molecular sieve powder is also a molecular sieve, which is a static molecular sieve and cannot be regenerated in the system. Molecular sieve adsorption and desorption are conditional. Desorption requires high temperature and low pressure. In customer use, molecular sieve activated powder forms a homogeneous substance with resin and does not have desorption conditions, which is also the reason why activated powder cannot be regenerated.


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Daisy Liu

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E-mail: export@xt988.com

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