| 21. | :The filler they use is zeolite, which is a mineral.
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| 22. | Zeolite is actually a family of 48 minerals that absorb odors and moisture.
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| 23. | Natural zeolites form where volcanic rocks and ash layers react with alkaline groundwater.
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| 24. | Zeolites are also widely used as catalysts and sorbents.
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| 25. | Zeolites are also used as a molecular sieve in cryosorption style vacuum pumps.
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| 26. | The channel diameter of zeolite cages usually ranges from 2 to 9 ?
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| 27. | Globally, thomsonite is one of the rarer zeolites.
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| 28. | The replacement of sodium triphosphate by zeolites offers some relief to this problem.
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| 29. | Such zeolites are used in cracking and hydrocracking catalysts.
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| 30. | Therefore, zemannites are often attributed to zeolite materials.
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