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Gelatin Capsules and Its Importance In Hardness Testing

Gelatin capsules or gel caps or softgel capsules, are composed of gelatin manufactured from the collagen of animal skin and bone.

There are Vegetable capsules as well made up of cellulose. The main ingredient of vegetarian capsules is hydroxypropyl methyl cellulose (HPMC).

However, in the current market, gelatin capsules are more extensively used than vegetarian capsules  because the cost of production is lower.

Types of Gelatin Capsules:

  • Hard shell Capsules contain dry, powdered ingredients or miniature pellets. These are made in two halves: a smaller-diameter “body” that is filled and then sealed using a larger-diameter “cap”.
  • Soft shell Capsules contain oils or active ingredients that are dissolved or suspended in oil.

Finished capsules are subjected to a number of tests in accordance with compendial standards and regulatory requirements for unit dose capsule products. These tests help identify whether the batch is acceptable for marketing or its intended usage.

Leaking gelatin capsules destroy consumer confidence in the product and the manufacturer. To prevent defective capsules from reaching the market, a manufacturer must develop tests to identify them.

Gelatin Capsule Hardness tester is a device that indicates the hardness of a capsule by measuring the effect on its surface of a localized penetration by a standardized flat shaped indenter made of hard steel.  Bareiss has made an exclusive solution to test the hardness of a capsule called a Gelomat.

Gelomat is a plug and play hardness tester and non-destructive method developed for determination of the hardness and resistance on gelatin, gelatin capsules, play dough, paintballs, agars, etc.

The unique design and digital measuring systems ensures that a very high measuring precision and most reliable measurement is obtained. An automatic measurement for hardness test on gelatin capsules is required to obtain optimum accuracy and repeatability.

The user can choose a measuring head from either 0 - 2 N or 0 - 20 N and has an option to attach an Automatic positioning device called Rotofix or a manually operated sample fixture known as Centrofix. With the help of our software, user can analysis the results, store data, see histograms, create batch folders, etc.

 Based on the client’s requirements, Qualitest designs and develops customized automated optical inspection systems that could be integrated with a Gelomat hardness tester or as a stand alone. This system will allow the quality specialists to check the size and defects of the finished product, achieving close to 100% perfection in quality for each batch that is manufactured. This efficient technology will maximize your business values and embrace cost optimization for your company.

Our products are highly customizable and our team of experts can help you navigate the standards requirements alongside helping you choose the right machine for your unique requirement. For more information, write to us at

Qualitest is well aware of the various testing requirements that may arise in different industries. We guarantee efficient logistics and a high level of standards. Our products are built to last and various government agencies, educational institutions, and private businesses have benefitted from our advanced state-of-the-art testing products.

To explore our Hardness Testing Machinery, click here.