Soft Gelatin capsules are produced from a glycerin-gelatin base. The glycerin is used to form a flexible shells. Two sheets of glycerin-gelatin base with hemispherical or elliptical recesses are fed between two rollers. When the recesses meet each other, a metering pump pumps liquid between the gelatin sheets to seal them together to form a capsule. Around 30,000 of these capsules can be produced per hour.
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