how to choose the desiccant for pharmaceutical packaging

caps with silica for effervescent tablet tubes

How to choose the desiccant like silica gel or molecular sieve for pharmaceutical packaging.

No matter you choose silica gel or molecular sieve,the first step is that confirm the dosage of the desiccant which you will use in the effervescent tube. You need confirm the size of effervescent tube,then according to the size,confirm the dosage of the desiccant.In generally,the dosage of effervescent tube is 2.1g and 3.9g. 

Then you need research your target market,your target market whether permit use molecular sieve,because some countries don't permit use molecular sieve, the temperature of storing environment can influence the moisture absorption ability of silica gel and molecular sieve.The most suitable temperature of silica gel is 20~32°C and 60~90°C.