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Feature article

Bruno Leclercq

Sept. 29, 2020

Lubrication now easy-to-use for R&D lab environment

Lubricants are often required to minimize friction between a tablet surface and the die walls during the ejection phase of the compression cycle. In turn the reduced friction minimizes the wear of punches and dies and avoid that tablets are stressed and damaged when ejected from the die cavity. Besides decreasing the friction that has often been described as the true role of a lubricant, lubricants can also serve as anti-adherent and glidant.

To specifically solve sticking and flowability issu...

Lubricants are often required to minimize friction between a tablet surface and the die walls during the ejection phase of the compression cycle. In turn the reduced friction minimizes the wear of punches and dies and avoid that tablets are stressed and damaged when ejected from the die cavity. Besides decreasing the friction that has often been described as the true role of a lubricant, lubricants can also serve as anti-adherent and glidant.

To specifically solve sticking and flowability issues, other excipients should be used, such as talc and colloidal silicon dioxide, respectively. Lubricants are a key excipient category in solid formulations but they can also lead to loss of tablet breaking force as well as slow down of dissolution. In order to maintain ejections forces as low as possible while minimizing the negative impact on tablet hardness and dissol...

#STYLOne #magnesium stearate #lubrication #MIST

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