what's the desiccant in the tube for glucoes test strips

The desiccant in a test strip packaging is a small packet or insert designed to absorb moisture and maintain the strips' stability by keeping them dry. Glucose test strips are highly sensitive to moisture, as exposure to humidity or water can degrade the chemicals embedded in the strips and interfere with their accuracy.

48mm glucose test strip container

How Desiccants Work

Desiccants are typically made from materials that have hygroscopic properties, meaning they can absorb and hold water vapor. Common desiccant materials include:

Silica Gel: One of the most common desiccants, silica gel is made of silicon dioxide and can absorb large amounts of moisture. It’s often packaged in small, porous packets or sachets and is usually marked with "Do not eat."

Clay: A natural desiccant, clay absorbs moisture and is commonly used in some types of packaging.

Activated Carbon: This can be used in some desiccant packs to both absorb moisture and reduce odors or contaminants.

Molecular Sieves: These are synthetic desiccants that can absorb moisture at a very precise rate and are sometimes used for more sensitive items.

Why Desiccants Are Important for Glucose Test Strips

Preserving Accuracy: If glucose test strips are exposed to moisture, the chemicals that react with the blood sample can be altered, resulting in inaccurate test results. The desiccant helps prevent this by maintaining the strips' chemical integrity.

Prolonging Shelf Life: Moisture can also cause the test strips to expire prematurely, even before the indicated expiration date. By keeping the strips dry, the desiccant helps extend their usability.

Protecting the Test Strips from Environmental Factors: Glucose test strips should be stored in a dry environment to avoid degradation. Desiccants help ensure that the strips remain in optimal condition during transport and storage.

Desiccant Packaging in Glucose Test Strip Tubes

Typically, the desiccant packet is placed inside the tube with the test strips, either at the top or nestled among the strips themselves. It’s important not to remove or discard the desiccant, as it plays a vital role in maintaining the effectiveness of the strips.

effervescent tablet packaging

The presence of a desiccant packet is particularly important if you live in a humid environment, as it adds an extra layer of protection. However, even in dry conditions, it’s a good idea to store test strips in a cool, dry place and keep the tube tightly closed to minimize moisture exposure.